{"title":"Aquarium Fish Tank Heaters","description":"\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eShop fish tank heaters and aquarium heaters at Finest Filters. We stock heaters for fish tanks in a variety of sizes, both internal and external aquarium heaters, and a wide range of models from leading brands. Browse our full collection today.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eA fish tank heater is an essential piece of aquarium equipment to help you make sure the water in your tank is the optimal temperature for your fish or any other wildlife living in it. Many aquarium heaters are designed to sit in the tank itself, but you can also get external heaters that can attach to your tank from the outside. The best aquarium heater for you will depend on the size of your tank and how much other equipment is in there - alongside a fish tank heater, you’ll also need a pump and a filter as a minimum. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you’re looking for a small fish tank heater, we have 25w aquarium heaters from Hepo and Hidom, which are both high-quality, trusted brands. These smaller models are suitable for tanks of up to 25 litres in size. However, if you’re looking for a larger aquarium heater, we stock models up to 500w for tanks of up to 500 litres. From heaters for freshwater aquariums to tropical fish tank heaters, there really is something for everyone at Finest Filters. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDiscover the \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/hepo-m7-infrared-aquarium-heater-range-25w-600w\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHepo M7 Infrared Aquarium Heater\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e range, check out the various \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/ista-external-aquarium-heaters\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eIsta External Aquarium Heaters\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, or find the Hidom fish tank heater that’s right for you.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWe also stock a selection of fish tank heater accessories, including suction cups and brackets to fix your aquarium heater in place. Shop the full Finest Filters collection of \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/aquarium-equipment\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eaquarium equipment\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e or \u003c\/span\u003e\u003ca href=\"https:\/\/www.finest-filters.co.uk\/contact\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003econtact us\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e if you have a question about any of our products.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"50w-aquarium-heater","title":"Hidom 50w Aquarium Heater (HT-2050)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 50W aquarium heater suitable for aquariums up to 50 litres in size (HT-2050)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e50W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 50 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e240mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689911853381,"sku":"9859","price":10.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/50w_heater.jpg?v=1776198954"},{"product_id":"100w-aquarium-heater","title":"Hidom 100w Aquarium Heater (HT-2100)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 100W aquarium heater suitable for aquariums up to 50 litres in size (HT-2100)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e100W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 100 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e265mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689912115525,"sku":"9860","price":11.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/100w_heater.jpg?v=1776198971"},{"product_id":"300w-aquarium-heater","title":"Hidom 300w Aquarium Heater (HT-2300)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 300W aquarium heater suitable for aquariums up to 300 litres in size (HT-2300)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e300W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 300 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e350mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689915457861,"sku":"9861","price":13.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/300w_heater.jpg?v=1776198987"},{"product_id":"25w-aquarium-heater-ht-2025","title":"Hidom 25w Aquarium Heater (HT-2025)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 25W aquarium heater suitable for aquariums up to 25 litres in size (HT-2025)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e25W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 25 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e240mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689966117189,"sku":"9740","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/50w_heater_1.jpg?v=1776199280"},{"product_id":"75w-aquarium-heater-ht-2075","title":"Hidom 75w Aquarium Heater (HT-2075)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 75W aquarium heater suitable for aquariums up to 75 litres in size (HT-2075)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e75W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 75 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e240mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689966575941,"sku":"9741","price":10.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/100w_heater_1.jpg?v=1776199247"},{"product_id":"150w-aquarium-heater-ht-2150","title":"Hidom 150w Aquarium Heater (HT-2150)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 150W aquarium heater suitable for aquariums up to 150 litres in size (HT-2150)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e150W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 150 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e265mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689966641477,"sku":"9742","price":11.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/300w_heater_1.jpg?v=1776199258"},{"product_id":"200w-aquarium-heater-ht-2200","title":"Hidom 200w Aquarium Heater (HT-2200)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality 200W aquarium heater suitable for aquariums up to 200 litres in size (HT-2200)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 16 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e200W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 200 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e265mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689966870853,"sku":"9743","price":12.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/300w_heater_2.jpg?v=1776199269"},{"product_id":"200w-external-inline-aquarium-heater","title":"200w External Inline Aquarium Heater","description":"\u003cp\u003eYou are purchasing a high quality inline external aquarium heater.\u003c\/p\u003e\u003cp\u003eThese heaters can be connected to the return pipe on your external canister filter, to heat the water being returned to the aquarium, providing a more consistent temperature in the aquarium.\u003c\/p\u003e\u003cp\u003eThese heaters are thermostatically controlled, so will shut off when the temperature in the tank is at the required temperature, and come back on when the temperature drops.\u003c\/p\u003e\u003cp\u003eThe temperature can be adjusted between 18 and 34 degrees Celsius.\u003c\/p\u003e\u003cp\u003eThis 200w heater is suitable for aquariums up to 200 litres in size. A cleaning brush is also supplied to allow the heater column to be cleaned during maintenance.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689978831173,"sku":"3539","price":28.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/aquarium_external_heater1.jpg?v=1776199422"},{"product_id":"300w-external-inline-aquarium-heater","title":"300w External Inline Aquarium Heater","description":"\u003cp\u003eYou are purchasing a high quality inline external aquarium heater.\u003c\/p\u003e\u003cp\u003eThese heaters can be connected to the return pipe on your external canister filter, to heat the water being returned to the aquarium, providing a more consistent temperature in the aquarium.\u003c\/p\u003e\u003cp\u003eThese heaters are thermostatically controlled, so will shut off when the temperature in the tank is at the required temperature, and come back on when the temperature drops.\u003c\/p\u003e\u003cp\u003eThe temperature can be adjusted between 18 and 34 degrees Celsius.\u003c\/p\u003e\u003cp\u003eThis 300w heater is suitable for aquariums up to 300 litres in size. A cleaning brush is also supplied to allow the heater column to be cleaned during maintenance.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57689978896709,"sku":"3540","price":29.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/aquarium_external_heater11.jpg?v=1776199543"},{"product_id":"hidom-25w-proheat-quartz-aquarium-heater-ht-8025","title":"Hidom 25w ProHeat Quartz Aquarium Heater (HT-8025)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality quartz 25W aquarium heater suitable for aquariums up to 25 litres in size (HT-8025)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 20 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality quartz glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e25W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 25 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e210mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCable Length: \u003cstrong\u003e1.5 Metres\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690018545989,"sku":"1934","price":10.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/hidom_proheat_small_1ec7bcc3-83ee-489d-828c-f24632fa3934.jpg?v=1776199715"},{"product_id":"hidom-50w-proheat-quartz-aquarium-heater-ht-8050","title":"Hidom 50w ProHeat Quartz Aquarium Heater (HT-8050)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality quartz 50W aquarium heater suitable for aquariums up to 50 litres in size (HT-8050)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 20 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality quartz glass. Supplied complete with two suction cups and clips to allow easy installation into your aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePower: \u003cstrong\u003e50W\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for Aquariums: \u003cstrong\u003eUp to 50 Litres\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSize: \u003cstrong\u003e210mm Long\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCable Length: \u003cstrong\u003e1.5 Metres\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690018611525,"sku":"1935","price":11.49,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/hidom_proheat_small_1.jpg?v=1776199670"},{"product_id":"hidom-75w-proheat-quartz-aquarium-heater-ht-8075","title":"Hidom 75w ProHeat Quartz Aquarium Heater (HT-8075)","description":"\u003cdiv data-content-type=\"html\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003eYou are purchasing a high quality quartz 75W aquarium heater suitable for aquariums up to 75 litres in size (HT-8075)\u003c\/p\u003e\n\u003cp\u003eOur easy adjustable heaters are completely submersible, and are suitable for both freshwater and marine aquariums. The temperature can easily be regulated between 20 and 32 degrees centigrade.\u003c\/p\u003e\n\u003cp\u003eManufactured from high quality quartz glass. 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Suitable for use with most brands of aquarium heater.\u003c\/p\u003e\u003cp\u003eThe suction cups are 35mm in diameter, and the clip will accommodate heaters with a diameter 1.27cm.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690068648261,"sku":"56033","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/replacement_aquarium_heater_suction_cups_2pack.jpg?v=1776200208"},{"product_id":"aquarium-fish-tank-heater-guard-with-suction-cups-fits-25w-to-300w","title":"Aquarium Fish Tank Heater Guard with Suction Cups Fits 25w to 300w","description":"\u003cp\u003eUniversal aquarium heater guard for use with heaters from 25w to 300w. Size is easily adjusted to accommodate most heaters.\u003c\/p\u003e\u003cp\u003eUsing a heater guard protects sensitive fish from injury when the aquarium heater is operating. The heater guard also helps to prevent accidental damage the heater itself.\u003c\/p\u003e\u003cp\u003eThis heater guard has a modular design, so it can be broken down to a smaller size to accommodate most heaters between 25w and 300w. The parts can easily be removed and reinstalled by using the easy twist to lock mechanism.\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eThis heater guard is made up of 5 sections. The maximum length of this heater guard is 300mm. The shortest length is 105mm. The outside diameter of the heater guard is 32mm. This heater guard is also supplied with 2 x separate suction cups with clips to allow easy mounting of the heater guard to the aquarium glass.\u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":57690068713797,"sku":"56034","price":5.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/aquarium_heater_guard_1.jpg?v=1776200214"},{"product_id":"hepo-m7-infrared-aquarium-heater-range-25w-600w","title":"Hepo M7 Infrared Aquarium Heater Range (25w - 600w)","description":"\u003cp\u003eThe Hepo M7 range of infrared aquarium heaters are suitable for aquariums from 25 to 600 litres in size. Infrared style heaters are typically more energy efficient and reliable than standard glass or metal heaters, and heat aquariums quicker and maintain a more stable temperature.\u003c\/p\u003e\u003cp\u003eThe M7 series heaters are available in a choice of 10 sizes to suit a range of aquariums (25w, 50w, 75w, 100w, 150w, 200w, 250w, 300w, 500w and 600w)\u003c\/p\u003e\u003cp\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eBuilt in heater guard to protect fish and aquarium inhabitants from the heating element\u003c\/p\u003e\u003cp\u003eOrange LED indicator light when heater is operating\u003c\/p\u003e\u003cp\u003eHeating range can be set between 16 and 32 degrees Celsius\u003c\/p\u003e\u003cp\u003e1.5m mains cable with full UK plug\u003c\/p\u003e\u003cp\u003eFully Submersible\u003c\/p\u003e\u003cp\u003eIdeal for fresh and saltwater aquariums alike\u003c\/p\u003e\u003cp\u003eHeater size: 270 x 70 x 30mm\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e25w - Suitable for aquariums up to 25 litres in size.\u003c\/p\u003e\u003cp\u003e50w - Suitable for aquariums up to 50 litres in size.\u003c\/p\u003e\u003cp\u003e75w - Suitable for aquariums up to 75 litres in size.\u003c\/p\u003e\u003cp\u003e100w - Suitable for aquariums up to 100 litres in size.\u003c\/p\u003e\u003cp\u003e150w - Suitable for aquariums up to 150 litres in size.\u003c\/p\u003e\u003cp\u003e200w - Suitable for aquariums up to 200 litres in size.\u003c\/p\u003e\u003cp\u003e250w - Suitable for aquariums up to 250 litres in size.\u003c\/p\u003e\u003cp\u003e300w - Suitable for aquariums up to 300 litres in size.\u003c\/p\u003e\u003cp\u003e500w - Suitable for aquariums up to 500 litres in size\u003c\/p\u003e\u003cp\u003e600w - Suitable for aquariums up to 600 litres in size.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"25w","offer_id":57690108100933,"sku":"410420-30-25w","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"50w","offer_id":57690108133701,"sku":"410420-30-50w","price":30.49,"currency_code":"GBP","in_stock":true},{"title":"75w","offer_id":57690108166469,"sku":"410420-30-75w","price":30.99,"currency_code":"GBP","in_stock":true},{"title":"100w","offer_id":57690108199237,"sku":"410420-30-100w","price":31.99,"currency_code":"GBP","in_stock":true},{"title":"150w","offer_id":57690108232005,"sku":"410420-30-150w","price":32.49,"currency_code":"GBP","in_stock":false},{"title":"200w","offer_id":57690108264773,"sku":"410420-30-200w","price":32.99,"currency_code":"GBP","in_stock":false},{"title":"250w","offer_id":57690108297541,"sku":"410420-30-250w","price":33.49,"currency_code":"GBP","in_stock":false},{"title":"300w","offer_id":57690108330309,"sku":"410420-30-300w","price":33.99,"currency_code":"GBP","in_stock":false},{"title":"500w","offer_id":57690108363077,"sku":"410420-30-500w","price":34.49,"currency_code":"GBP","in_stock":false},{"title":"600w","offer_id":57690108395845,"sku":"410420-30-600w","price":39.99,"currency_code":"GBP","in_stock":false},{"title":"400w","offer_id":57690108428613,"sku":"410420-30-400w","price":34.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/hepo_infared_aquarium_heater_thermostat_1_1.jpg?v=1776200989"},{"product_id":"hepo-hp-605-submersible-aquarium-heaters","title":"Hepo HP-605 Submersible Aquarium Heaters","description":"\u003cp\u003eThe Hepo HP-605 series heaters are easy to set and highly accurate. Made from strong glass to ensure optimum power output while also being secure.\u003c\/p\u003e\u003cp\u003eAvailable in 25w, 50w, 75w, 100w, 150w, 200w and 300w sizes.\u003c\/p\u003e\u003cp\u003eThese heaters are easy to adjust, and will regulate the temperature in your aquarium. It is recommended to use your heater alongside a stick on thermometer to ensure the tank temperature is correct.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003ePRODUCT FEATURES: \u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eAll heaters are fitted with UK 3 pin plug \u003c\/p\u003e\u003cp\u003ePrecise \u0026amp; Reliable temperature control \u003c\/p\u003e\u003cp\u003eFully submersible \u003c\/p\u003e\u003cp\u003eIdeal for Tropical \/ Marine or Freshwater \u003c\/p\u003e\u003cp\u003eEasy to set required temperature with temperature scale \u003c\/p\u003e\u003cp\u003eHigh Quality Components\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTECHNICAL DETAILS: \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (25w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: up to 25 litres \u003c\/p\u003e\u003cp\u003ePower: 25W \u003c\/p\u003e\u003cp\u003eDimensions: 22x240mm\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (50w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: up to 50 litres\u003c\/p\u003e\u003cp\u003ePower: 50W\u003c\/p\u003e\u003cp\u003eDimensions: 22x240mm\u003c\/p\u003e\u003cp\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (75w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: 44 to 75 litres \u003c\/p\u003e\u003cp\u003ePower: 75W \u003c\/p\u003e\u003cp\u003eDimensions: 22x240mm\u003c\/p\u003e\u003cp\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (100w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: 50 to 100 litres\u003c\/p\u003e\u003cp\u003ePower: 100W\u003c\/p\u003e\u003cp\u003eDimensions: 22x265mm\u003c\/p\u003e\u003cp\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (150w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: 100 to 150 litres\u003c\/p\u003e\u003cp\u003ePower: 150W\u003c\/p\u003e\u003cp\u003eDimensions: 22x265mm\u003c\/p\u003e\u003cp\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (200w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: 150 to 200 litres\u003c\/p\u003e\u003cp\u003ePower: 200W\u003c\/p\u003e\u003cp\u003eDimensions: 22x265mm\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHP-605 (300w)\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eRecommended Aquarium: 200~300L\u003c\/p\u003e\u003cp\u003ePower: 300W\u003c\/p\u003e\u003cp\u003eDimensions: 22x350mm\u003c\/p\u003e\u003cp\u003eAll models come complete with 2 x mounting clips and suction cups to attach to the aquarium.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"25w","offer_id":57690122125637,"sku":"410001","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"50w","offer_id":57690122158405,"sku":"410002","price":10.29,"currency_code":"GBP","in_stock":false},{"title":"75w","offer_id":57690122191173,"sku":"410003","price":10.49,"currency_code":"GBP","in_stock":false},{"title":"100w","offer_id":57690122223941,"sku":"410004","price":10.99,"currency_code":"GBP","in_stock":false},{"title":"150w","offer_id":57690122256709,"sku":"410005","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"200w","offer_id":57690122289477,"sku":"410006","price":12.49,"currency_code":"GBP","in_stock":false},{"title":"300w","offer_id":57690122322245,"sku":"410007","price":13.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/hepo_aquarium_submersible_glass_heater_25w_50w_75w_100w_150w_200w_300w_fish_tank.jpg?v=1776201281"},{"product_id":"hepo-hp-608-submersible-quartz-aquarium-heaters","title":"Hepo HP-608 Submersible Quartz Aquarium Heaters","description":"\u003cp\u003eThe Hepo HP-608 range of quartz aquarium heaters are ideal for aquariums up to 25-300 litres in size. Please select the required model from the drop-down menu when ordering.\u003c\/p\u003e\u003cp\u003eThese high-quality quartz glass heaters can be used in both freshwater and marine aquariums alike. The temperature can easily be regulated on the top of the heater, and the desired temperature is shown on the front of the heater.\u003c\/p\u003e\u003cp\u003eThe Hepo heater range comes supplied with a 3 Pin Standard UK plug, and a 1.5 metre cable.\u003c\/p\u003e\u003cp\u003eThe heaters will automatically regulate the aquarium temperature, and can be set to heat between 20 and 34 degrees.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe 25w model is suitable for use in aquariums up to 25 litres in size.\u003c\/p\u003e\u003cp\u003eThe 50w model is suitable for use in aquariums up to 50 litres in size.\u003c\/p\u003e\u003cp\u003eThe 75w model is suitable for use in aquariums up to 75 litres in size.\u003c\/p\u003e\u003cp\u003eThe 100w model is suitable for use in aquariums up to 100 litres in size.\u003c\/p\u003e\u003cp\u003eThe 150w model is suitable for use in aquariums up to 150 litres in size.\u003c\/p\u003e\u003cp\u003eThe 200w model is suitable for use in aquariums up to 200 litres in size.\u003c\/p\u003e\u003cp\u003eThe 300w model is suitable for use in aquariums up to 300 litres in size.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"25w","offer_id":57690122387781,"sku":"410100","price":10.99,"currency_code":"GBP","in_stock":true},{"title":"50w","offer_id":57690122420549,"sku":"410101","price":11.49,"currency_code":"GBP","in_stock":true},{"title":"75w","offer_id":57690122453317,"sku":"410102","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"100w","offer_id":57690122486085,"sku":"410103","price":12.49,"currency_code":"GBP","in_stock":true},{"title":"150w","offer_id":57690122518853,"sku":"410104","price":12.99,"currency_code":"GBP","in_stock":true},{"title":"200w","offer_id":57690122551621,"sku":"410105","price":13.99,"currency_code":"GBP","in_stock":true},{"title":"300w","offer_id":57690122584389,"sku":"410106","price":15.99,"currency_code":"GBP","in_stock":true},{"title":"500w","offer_id":57690122617157,"sku":"410107","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/hepo_aquarium_heater_fish_tank_quartz_submersible_thermostat_hp-608_25w_300w_1.jpg?v=1776201341"},{"product_id":"ista-external-aquarium-heaters","title":"Ista External Aquarium Heaters","description":"\u003cp\u003eThe Ista External Heaters are the ideal solution to heat your tropical aquarium without having to have an unsightly heater in on display in the aquarium.\u003c\/p\u003e\u003cp\u003eThe External Heater fit’s inline with your return pipe from an external filter and heats the water as it passes through the thermal spraying glass structure of the unit. The thermal spraying Glass also speed up the heating process making the heaters extremely efficient at heating your aquarium.\u003c\/p\u003e\u003cp\u003eTwo temperature sensors continuously monitor and display the temperature on the 2-line digital display and adjust the heat produced accordingly. The 2-line display shows both the set temperature and the real-time water temperature.\u003c\/p\u003e\u003cp\u003eAll Ista External Heaters are equipped with an auto power off system which shut the heater off if: the temperature rises 3°C above the set temperature, the temperature difference is 5°C or more between the two sensors or the temperature detected is over 36°C.\u003c\/p\u003e\u003cp\u003eSuitable for use in both freshwater and marine aquariums.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe Ista External Heaters are available in three models. Please select the required size from the dropdown menu.\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 1000px;\" src=\"https:\/\/www.tzong-yang.com.tw\/en\/data\/images\/201707\/External%20Heater-2.jpg\" alt=\"\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDimensions (all models):\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e19cm High x 7cm Deep x 6cm Wide (excluding hose tail)\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"150w","offer_id":57690133365061,"sku":"82318","price":45.99,"currency_code":"GBP","in_stock":true},{"title":"300w","offer_id":57690133397829,"sku":"82319","price":49.99,"currency_code":"GBP","in_stock":false},{"title":"500w","offer_id":57690133430597,"sku":"82320","price":56.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/ista_external.jpg?v=1776201340"},{"product_id":"ista-fixed-temperature-nano-heaters","title":"Ista Fixed Temperature Nano Heaters","description":"\u003cp\u003eThe Ista Fixed Temperature heaters are compact and durable aquarium heaters for small nano tanks.\u003c\/p\u003e\u003cp\u003eThese heaters have three temperature settings: 25°C, 28°C or 33°C. The temperature setting can be changed via an inline switch making it easy to adjust the thermostat.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe Ista Fixed Temperature heaters are available in two sizes: 5w (for use in aquariums up to 5 litres) and 10w (for aquariums up to 15 litres).\u003c\/p\u003e\u003cp\u003ePlease select the size required from the dropdown menu.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e10w - 70 x 10mm\u003c\/p\u003e\u003cp\u003eSuitable for aquariums up to 15 litres\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e5w – 70 x 10mm\u003c\/p\u003e\u003cp\u003eSuitable for aquariums up to 5 litres.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"5w","offer_id":57690133561669,"sku":"82321-2-5w","price":15.99,"currency_code":"GBP","in_stock":false},{"title":"10w","offer_id":57690133594437,"sku":"82321-2-10w","price":16.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/ista_mini_5w_10w_compact_aquarium_heater_1.jpg?v=1776201379"},{"product_id":"submersible-preset-compact-aquarium-heater","title":"Submersible Preset Compact Aquarium Heater","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #2663a6; font-family: Arial; font-size: large;\"\u003ePrecise Comfort for Tropical Tanks: Submersible Preset Aquarium Heater\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv\u003e\n\u003cspan style=\"color: #2663a6; font-family: Arial;\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cdiv\u003eCreate a cosy and stable environment for your tropical aquarium with our Submersible Preset Aquarium Heater. The preset heater is set to 25 degrees, appropriate for most tropical fish, shrimp and aquatic plants. Specially designed for simplicity and efficiency, this heater ensures that your aquatic companions thrive in the ideal temperature range. Whether you're a seasoned aquarist or a beginner, this preset heater takes the guesswork out of maintaining the perfect tropical climate in your aquarium.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #343434; font-family: Arial;\"\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003ePreset Temperature Settings:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Achieve optimal conditions for your tropical fish without the need for manual adjustments. The preset temperature settings take the hassle out of fine-tuning, providing a stable and comfortable environment.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eSubmersible Design:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Effortlessly integrate the heater into your aquarium setup. The submersible design allows for discreet placement while ensuring even heat distribution throughout the tank.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eReliable Heating Performance:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Experience consistent and reliable heating performance. The Submersible Preset Aquarium Heater is engineered for accuracy, keeping your aquarium water within the desired temperature range to support the well-being of your tropical fish.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eClear Temperature Display:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Stay informed about your aquarium's temperature with the clear and easy-to-read display. Monitoring and maintaining the right temperature has never been more straightforward.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eBuilt-in Safety Features:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Rest easy knowing that your aquarium and its inhabitants are protected. The heater comes equipped with built-in safety features such as automatic shut-off to prevent overheating and ensure the safety of your aquatic friends.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eEasy Installation:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Set up your aquarium heater with minimal effort. The user-friendly design and included instructions make installation a breeze, allowing you to focus more on enjoying your tropical underwater paradise.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #444444; font-family: Arial;\"\u003eWhy Choose Our Submersible Preset Aquarium Heater:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eEffortless Temperature Control:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Let the preset settings simplify the maintenance of a tropical climate in your aquarium.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eDiscreet and Submersible:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Enjoy a sleek and unobtrusive design that seamlessly blends into your aquatic landscape.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eConsistent Heating:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Experience the assurance of a stable and consistent temperature for your tropical fish.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eSafety First:\u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003e Built-in safety features prioritize the well-being of your aquarium inhabitants, providing peace of mind.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"color: #2663a6;\"\u003eUser-Friendly: \u003c\/span\u003e\u003cspan style=\"color: #0d0d0d;\"\u003eSecure suction cups provide easy installation and a clear temperature display make this preset heater suitable for aquarists of all levels.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #0d0d0d; font-family: Arial;\"\u003e\u003cstrong\u003eComes with standard UK 3 pin plug power supply.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003eEnhance the comfort and well-being of your tropical aquarium with the Submersible Preset Aquarium Heater. Enjoy the simplicity of preset temperature control and the reliability of a heater designed with your tropical aquarium's success in mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"vendor-unknown","offers":[{"title":"15W (For 10L Tank)","offer_id":57690193264965,"sku":"400229","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"25W (For 20L Tank)","offer_id":57690193297733,"sku":"400230","price":12.99,"currency_code":"GBP","in_stock":true},{"title":"35W (For 30L Tank)","offer_id":57690193330501,"sku":"400231","price":13.99,"currency_code":"GBP","in_stock":true},{"title":"50W (For 40L Tank)","offer_id":57690193363269,"sku":"400232","price":14.99,"currency_code":"GBP","in_stock":true},{"title":"75W (For 60L Tank)","offer_id":57690193396037,"sku":"400233","price":15.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/aquarium-preset-heater-gallery.jpg?v=1776202430"},{"product_id":"hidom-submersible-aquarium-quartz-glass-adjustable-heater","title":"Hidom Submersible Aquarium Quartz Glass Adjustable Heater","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eSubmersible Aquarium Quartz Glass Heater With Adjustable Temperature Controller (50w to 300w) For Tropical \u0026amp; Marine Fish Tanks\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eOur submersible heaters quickly warm your aquarium, creating an ideal tropical atmosphere for your aquatic companions.\u003cbr\u003eThe Hidom BH Series is fully submersible, ensuring even heat distribution throughout your aquarium. Its sleek and compact design makes it easy to conceal, providing an unobtrusive solution for maintaining the perfect temperature.\u003cbr\u003eThe suitable aquarium tank sizes are as follows for the submersible heaters:\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e50W - suitable for tanks 20L-40L\u003cbr\u003e100W - suitable for tanks 40L-80L\u003cbr\u003e200W - suitable for tanks 110L-190L\u003cbr\u003e300W - suitable for tanks 150L-250L\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eEquipped with an automatic shut-off feature, the Hidom BH Aquarium heater prioritizes the safety of your fish. The heater automatically turns off when the water reaches the set temperature. Suitable for a variety of aquarium sizes, the submersible heater is perfect for both freshwater and marine tanks. Whether you have a small nano tank or a sprawling community aquarium. The Hidom heater ensures a comfortable environment for your tropical fish. The built-in thermostat allows you to set and maintain the desired temperature with accuracy, from 16°C to 32°C. Suction cups for secure placement and an adjustable controller for effortless temperature adjustments. Shock resistant quartz glass tube surrounds the heater core. Hidom heaters are fitted with a standard UK 3 pin plug and supplied with a 1.5 metre mains cable allowing you to place the submersible fish tank heater in the perfect position to ensure an evenly heated environment.\u003cbr\u003eBefore removing aquarium heater from water switch off and allow 15 minutes for the glass to cool as sudden temperature changes can lead to the glass fracturing.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003e300W - 28 x 3 x 3cm\u003cbr\u003e200W - 24 x 3 x 3cm\u003cbr\u003e100W - 16 x 3 x 3cm\u003cbr\u003e50W - 14 x 3 x 3cm\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e[Multiple Sizes Available]\u003c\/strong\u003e With robust power ranging from 50w to 300w available, our submersible heaters quickly warm your aquarium, creating an ideal tropical atmosphere for your aquatic companions. Say farewell to chilly waters and hello to a toasty haven! Suitable for tanks from 20L to 250L!\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e[Sleek \u0026amp; Compact Design]\u003c\/strong\u003e The Hidom BH Series is fully submersible, ensuring even heat distribution throughout your aquarium. Its sleek and compact design makes it easy to conceal, providing an unobtrusive solution for maintaining the perfect temperature.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e[Adjustable Temperature]\u003c\/strong\u003e Using the external heater controller the built-in thermostat allows you to set and maintain the desired temperature with accuracy, ranging from 16°C to 32°C.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e[Safe \u0026amp; Reliable]\u003c\/strong\u003e Equipped with an automatic shut-off feature, the Hidom BH Aquarium heater prioritizes the safety of your fish. The heater automatically turns off when the water reaches the set temperature, preventing overheating and potential harm to your aquatic friends.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e[UK 3 Pin Plug] \u003c\/strong\u003eThese heaters are fitted with a standard UK 3 pin plug and supplied with a 1.5 metre mains cable allowing you to place the fully submersible fish tank heater in the perfect position to ensure an evenly heated environment for you fish.\u003c\/span\u003e\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"50W","offer_id":57690240713029,"sku":"400234","price":18.99,"currency_code":"GBP","in_stock":true},{"title":"100W","offer_id":57690240745797,"sku":"400235","price":19.99,"currency_code":"GBP","in_stock":true},{"title":"200W","offer_id":57690240778565,"sku":"400236","price":22.99,"currency_code":"GBP","in_stock":true},{"title":"300W","offer_id":57690240811333,"sku":"400237","price":24.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/submersible-aquarium-fish-tank-heaters.jpg?v=1776203328"},{"product_id":"hepo-glass-aquarium-heater-hp-605-with-free-thermometer-and-heater-guard-25w-300w","title":"Hepo Glass Aquarium Heater HP-605 with FREE Thermometer and Heater Guard (25w-300w)","description":"\u003ch1\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(53, 152, 219);\"\u003eFinest-Filters Hepo HP-605 Bundle - Free Heater Guard and Thermometer\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\u003ch2\u003e\u003cspan style=\"color: rgb(53, 152, 219);\"\u003eHepo HP-605 Aquarium Heater, with FREE Heater Guard and stick-on Thermometer \u003c\/span\u003e\u003c\/h2\u003e\u003cp\u003eThe \u003cspan class=\"a-text-bold\"\u003eHepo HP-605\u003c\/span\u003e range of aquarium heaters are ideal for aquariums up to 300 litres in size. These heaters are highly versatile and can be used in both \u003cspan class=\"a-text-bold\"\u003efreshwater and marine\u003c\/span\u003e aquariums alike.\u003c\/p\u003e\u003cp\u003eEach Hepo heater comes supplied with a standard \u003cspan class=\"a-text-bold\"\u003eUK 3-pin plug\u003c\/span\u003e and a generous \u003cspan class=\"a-text-bold\"\u003e1.5-metre cable\u003c\/span\u003e for easy reach. Designed for precision, these heaters automatically regulate the aquarium temperature and can be adjusted to heat between \u003cspan class=\"a-text-bold\"\u003e16 and 32 degrees Celsius\u003c\/span\u003e.\u003c\/p\u003e\u003cp\u003e\u003cspan class=\"a-text-bold\"\u003eAvailable Sizes \u0026amp; Suitability:\u003c\/span\u003e\u003c\/p\u003e\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e25w Model:\u003c\/span\u003e Suitable for aquariums up to 25 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e50w Model:\u003c\/span\u003e Suitable for aquariums up to 50 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e75w Model:\u003c\/span\u003e Suitable for aquariums up to 75 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e100w Model:\u003c\/span\u003e Suitable for aquariums up to 100 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e150w Model:\u003c\/span\u003e Suitable for aquariums up to 150 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e200w Model:\u003c\/span\u003e Suitable for aquariums up to 200 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan class=\"a-text-bold\"\u003e300w Model:\u003c\/span\u003e Suitable for aquariums up to 300 litres\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis bundle is the ultimate safety solution, including a \u003cspan class=\"a-text-bold\"\u003efree heater guard\u003c\/span\u003e to protect your livestock and a \u003cspan class=\"a-text-bold\"\u003ethermometer\u003c\/span\u003e for easy, accurate monitoring.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003eDirections\u003c\/h3\u003e\u003cp\u003eThis heater is only for indoor aquarium use.\u003cbr\u003e\u003cbr\u003eWhen the heater is working, water level must be above the \"min water level\" line of the heater\u003cbr\u003e\u003cbr\u003ePlace the heater in where the water circulation is good to ensure the heater is working properly\u003cbr\u003e\u003cbr\u003eDo not place the suction cup on the heating element of the heater\u003cbr\u003e\u003cbr\u003eNever touch the heater when it is turned on and working\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"25w","offer_id":57690272334149,"sku":"410655","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"50w","offer_id":57690272366917,"sku":"410656","price":10.29,"currency_code":"GBP","in_stock":false},{"title":"75w","offer_id":57690272399685,"sku":"410657","price":10.49,"currency_code":"GBP","in_stock":false},{"title":"100w","offer_id":57690272432453,"sku":"410658","price":10.99,"currency_code":"GBP","in_stock":false},{"title":"150w","offer_id":57690272465221,"sku":"410659","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"200w","offer_id":57690272497989,"sku":"410660","price":12.49,"currency_code":"GBP","in_stock":false},{"title":"300w","offer_id":57690272530757,"sku":"410661","price":13.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/files\/finest-filters-hepo-bundle-heater-with-free-guard-and-thermometer_1.png?v=1776204202"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/1551\/9301\/collections\/aquarium_fish_tank_heaters-min.jpg?v=1776198276","url":"https:\/\/finest-filters.co.uk\/collections\/aquarium-heaters.oembed","provider":"Finest Filters","version":"1.0","type":"link"}