Aquarium Heaters

Our collection of Aquarium Heaters and Fish Tank Heaters is sure to have just the right aquatic heating qualities you’re looking for. Whether you’re looking for a small 25w fish tank heater, or a large 500w aquarium heater – we have them in all shapes and sizes. You can enjoy free UK shipping with no minimum order quantity, as well as same-day despatch on orders placed before 4pm. Browse our range of aquarium heaters below.

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  1. Hepo Aquarium Fish Tank Heater Double Tube 25w to 600w

    The Hepo Q6 range of aquarium heaters are developed with a double heating tube for optimum reliability and performance. These heaters are available in a range of sizes from 25w to 600w. Please select the size required from the drop-down menu when ordering.

    These quality 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.

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    As low as £18.99
  2. Hepo M7 Infrared Aquarium Heater Range (25w - 600w)

    The 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.

    The 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)

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    As low as £29.99
  3. Hepo HP-605 Submersible Aquarium Heaters

    The 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.

    Available in 25w, 50w, 75w, 100w, 150w, 200w and 300w sizes.

    These 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.

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    As low as £8.49
  4. Hepo HP-608 Submersible Quartz Aquarium Heaters

    Ideal for aquariums up to 25 - 300 litres, these 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.

    The Hepo heater range comes supplied with a 3 Pin Standard UK plug, and a 1.5 metre cable.

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    As low as £9.29
  5. Ista External Aquarium Heaters

    The 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.

    The 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.

    Two 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.

    Available in: 150w, 300w and 500w models.

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    As low as £45.99
  6. Ista Fixed Temperature Nano Heaters

    The Ista Fixed Temperature heaters are compact and durable aquarium heaters for small nano tanks.

    These 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.

    The 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).

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    As low as £15.99
  7. Hidom 25w ProHeat Quartz Aquarium Heater (HT-8025)

    You are purchasing a high quality quartz 25W Aquarium heater suitable for aquariums up to 25 litres in size (HT-8025)

    Our 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.

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  8. Hidom 50w Aquarium Heater (HT-2050)
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    You are purchasing a high quality 50W Aquarium heater suitable for aquariums up to 50 litres in size (HT-2050)

    Our 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.

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  9. Hidom 50w ProHeat Quartz Aquarium Heater (HT-8050)

    You are purchasing a high quality quartz 25W Aquarium heater suitable for aquariums up to 50 litres in size (HT-8050)

    Our 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.

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  10. Hidom 75w Aquarium Heater (HT-2075)

    You are purchasing a high quality 75W Aquarium heater suitable for aquariums up to 75 litres in size (HT-2075)

    Our 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.

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