Aquarium Heaters

An aquarist keeping tropical fish requires a thermostat heater to achieve an exact temperature and to ensure it is maintained for a healthy, happy fish tank. A range of internal heaters are available, in a variety of sizes, from the leading manufacturers such as Rena, Fluval and Interpet.

Search Aquarium Heaters

 

Interpet Deltatherm Heater


Interpet's Deltatherm Heater features extra thickened safety glass, a click-control for temperature adjustment and a plastic endcap for added safety.


From £12.49
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Fluval Edge Digital Thermometer

It is always useful to be able to monitor the temperature of your aquarium and this Fluval Edge Digital Thermometer that attaches to the outside of the glass will instantly tell you what the temperature is. Ideal for use with the Fluval Edge set of aquariums.
ORDER TODAY TO SAVE 15% OFF RRP £2.10
BUY NOW: £1.79
 

Marina Submersible Pre-Set Aquarium Heater


The powerful Marina Submersible Pre-Set Aquarium Heater provides reliable heating for fresh or saltwater aquariums.

From £13.99
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Marina Submersible Pre-Set Aquarium Mini Heater


Small yet powerful, the 25 Watt Marina Submersible Pre-Set Mini Aquarium Heater provides reliable heating for fresh or saltwater aquariums.

From £12.99
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Fluval Edge 25w Heater

If you want to upgrade your Fluval Edge Aquarium to a tropical tank, this Fluval Edge 25w Heater is what you need. It is preset to 26 degrees Celsius for easy installation and is perfectly safe and durable.

Please note that the Edge heater will maintain the water temperature within 2-3C of the ambient room temperature. If the room is very cold it may appear that the heater is not working, it is, but may not be able to reach the desired temperature within the tank, (particularly if the light is on).

ORDER TODAY TO SAVE 9% OFF RRP £20.85
BUY NOW: £18.99

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