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Heaters

Aquarium heaters are an essential piece of equipment for the successful keeping of tropical and marine fish. It is important to keep the temperature of the water in your fish tank stable, failure to do so will stress fish and can lead to illness and disease.

What Size Aquarium Heater.

As a general rule your aquarium or tank will need 1w of power per litre of water. This makes selecting the correct size heater for any given size of aquarium relatively simple. For example a 100 litre tank will require a 100w heater. However if your room gets particularly cold it would be a good idea to choose the next size heater up. Having said this it is also important not to put to large a heater in a small tank as doing so will increase the aquarium temperature to quickly causing undue stress to its occupants.

Aquarium Heater Do's and Dont's

  • Never switch a heater on out of water.
  • Make sure your heater is always fully submersed.
  • Always allow 5 minits for a heater to cool down before removing it from the water.

Failure to follow the above advice could result in a damage heater. Either putting a hot heater into water or removing a heater before allowing it to cool down can cause it to crack.

  • EHEIM Heater Group Image EHEIM Heater 1 Image

    EHEIM Aquarium Heater Thermostat

    EHEIM JAGER Submersible Aquarium Heater Thermostat Premium Quality Aquarium Heater Available in a Range of Sizes to Suit Every Tank EHEIM are an extremely popular much loved brand due to the quality of manufacture. This range of aquarium heaters...

    As low as £17.29
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  • Fluval 100w Electronic Aquarium Heater

    Fluval 100w Electronic Aquarium Heater

    Fluval E Series 100w Electronic Aquarium Heater Thermostat with LCD Display Quite simply a superb high-quality precision-made aquarium heater. You should buy this heater when you need absolute reliability, especially important when keeping delicate...

    £47.59 £34.99
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  • Fluval 200w Electronic Aquarium Heater

    Fluval 200w Electronic Aquarium Heater

    Fluval E Series 200w Electronic Aquarium Heater Thermostat with LCD Display Quite simply a superb high-quality precision-made aquarium heater. You should buy this heater when you need absolute reliability, especially important when keeping delicate...

    £48.59 £37.49
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  • Fluval 300w Electronic Aquarium Heater

    Fluval 300w Electronic Aquarium Heater

    Fluval E Series 300w Electronic Aquarium Heater Thermostat with LCD Display Quite simply a superb high-quality precision-made aquarium heater. You should buy this heater when you need absolute reliability, especially important when keeping delicate...

    £50.69 £33.99
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  • Fluval Edge 25w Heater Image

    Fluval Edge 25w Aquarium Heater

    Fluval Edge 25 watt Aquarium Heater Thermostat The Fluval Edge 25 watt heater is a compact 17cm length nano heater from Fluval for the Fluval Edge tanks and also other aquariums up to 23 litres (6 gallons). Requiring no manual temperature adjustments, it...

    £20.95
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  • Hidom Quartz Heater Image Hidom Quartz Heater 1 Image

    Hidom Quartz Aquarium Heater

    Hidom Pro Heat Quartz Glass Aquarium Heater - HT-8 Series All our heaters are fitted with 1.5 metres of cable instead of the standard 1.1 metre that normally comes with this product. Hidom's HT range aquarium heaters has been designed and manufactured by...

    As low as £8.69
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  • Hidom Stainless Heater Group Image Hidom Stainless Heater 1 Image

    Hidom Stainless Steel Aquarium Heater Thermostat

    Hidom Submersible Stainless Steel Aquarium Heater Models Available: 300w / 500w - Please select from drop down menu. Free P+P (for UK mainland) PLEASE NOTE THESE HEATERS ARE FOR AQUARIUM USE ONLY. THEY ARE NOT SUITABLE FOR PONDS The fragility of a...

    As low as £13.95
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  • Interpet Delta Nano Aquarium Heater Interpet Delta Nano Aquarium Heater

    Interpet Delta Nano Aquarium Heater

    Interpet Delta Mini Aquarium Heater The new range of aquariun heater thermostats from Interpet are designed to the highest standards, are slim and compact and yet tough and durable, and get this - they are completely flat and flexible!! Ideal for use in...

    As low as £11.75
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  • Interpet Deltatherm Group Image Interpet Deltatherm 100W Image

    Interpet Deltatherm Aquarium Heater

    Deltatherm Aquarium Heater Ideal for both Tropical and Marine Aquariums with exra long 1.5m cable and built with heat and shock resistant glass Deltatherm Heaters available in various wattages. Each aquarium heater is thermostatically...

    As low as £13.95
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  • Interpet Nano Stat Heater Group Image Interpet Nano Stat Heater 10w Image

    Interpet Nano Stat Heater - Aquarium Thermostat

    Interpet Nana Mini Aquarium Heater Foir Small Fish Tanks Two Sizes Available. Please Select from Drop Down Box The new range of aquariun heater thermostats from Interpet are designed to the highest standards, are slim and compact and yet tough and...

    As low as £14.95
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  • Marina Fish Tank Heater Group Image Marina Fish Tank Heater 1 Image

    Marina Aquarium Fish Tank Heater

    Hagen Marina Submersible Aquarium Heater Suitable for Tropical and Marine Fish Tanks The Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 300 litre aquariums (see size chart for requirements). The...

    As low as £13.95
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  • superfish ts heater image

    SF Aquarium Heater Thermostat 150w (with Guard) TS UK Plug

    The Superfish range of aquarium heater thermostats are designed to the highest standards. They include an aquarium heater guard as standard that prevents fish from burning themselves when resting under them. Adjusting temperature on this aquarium heater...

    £17.95 £9.35
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  • SF Stick On Digital Thermometer Image

    Stick On Digital Thermometer

    Stick On Thermometer Self-Adhesive, easy to read, simply stick it on the outside of your Aquarium / Fish Tank Fish require a suitable & stable temperature. There is no one ideal temperature for all fish, but for most species a stable temperature...

    £2.25
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  • Superfish Aquarium Smart  Heater 55w Superfish Aquarium Smart  Heater 55w

    Superfish Aquarium Smart Heater 55w

    Superfish 55w Digital Smart Heater & Thermometer The Superfish 55w Smart Digital Aquarium Heater is ideal for small aquariums and nano tanks up tp 40 litre in size. It comes with an externally operated thermostat adjuster and a built in...

    £25.99 £18.65
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  • SF Mini Aquarium Heater Thermostat 55w Image

    Superfish Mini Aquarium Heater Thermostat 55w

    The Superfish mini heater/thermostat are designed for small, mini or nano aquariums upto 30 litres in size. Fully Submersible Round design rather then the standard long models so more easily fits into bowls and small tanks Two suction pads to secure to...

    £16.95 £14.19
    Out of stock
  • SF Digital Heater 1 Image SF Digital Heater 2 Image

    Superfish XL Digital Aquarium Heater

    Superfish XL Digital Aquarium Fish Tank Heater Superfish XL Heater Professional heater for accurate digital temperature control by the push button on the top of the heater. Extra safe, featuring run-dry protection and auto-shut off when the temperature...

    As low as £20.95
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