Aquarium Care
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Aquis CF Spares
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Aquarium Heating
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Aquarium Heaters

It's essential to select the correct heater size for your Aquarium. A heater that is too small will struggle in cold rooms, while one that is too large will boil your livestock should it's thermostat fail prematurely. Please make use of the table below to selct the best heater solution for your Aqua One setup.


Complete 3 Year Warranty on all heaters

Don't forget the 3 year warranty package on all our Aqua One heaters.

It's always smart to have a spare heater on hand for use in an emergency. Don't forget that a broken heater will need to be replaced almost straight away in order that hypthemia does not set in amongst your tropical fish. In case of emergency, please call Aquarium Parts. We can normally despatch a replacement heater the same day. Likewise if you are unsure about which size of heater is best for your aquarium please call us for friendly advice. Find the correct heater for your aquarium model below.


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Aqua One 25W Aquarium Heater / Thermostat

Aqua One 25W Aquarium Heater / Thermostat£25.99   £15.99

Genuine Aqua One branded 25W Aquarium Heater Thermostat for smaller AquaOne Aquariums including Betta Mono, Betta Duo and Betta Trio setups. Supplied with UK mains cable, three pin plug and a full 12 month warranty.

Aqua One 55W Aquarium Heater / Thermostat

Aqua One 55W Aquarium Heater / Thermostat£26.99   £15.99

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Genuine Aqua One branded 55W Aquarium Heater Thermostat for smaller AquaOne Aquariums.

Aqua One 100W Aquarium Heater / Thermostat

Aqua One 100W Aquarium Heater / Thermostat£27.99   £16.49

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Genuine Aqua One branded 100W Aquarium Heater Thermostat for smaller AquaOne Aquariums, including AquaMode 600, AquaStart 500 & 600, AquaStyle 380 & 510, EcoStyle 61 along with the UFO 550.

Aqua One 150W Aquarium Heater / Thermostat

Aqua One 150W Aquarium Heater / Thermostat£28.99   £16.49

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Genuine Aqua One branded 150W Aquarium Heater Thermostat for aquariums up to 150 litres, including AquaStyle 620, AquaStyle 620T, Aquanto 130, AquaVis 130 and EcoStyle 81.

Aqua One 200W Aquarium Heater / Thermostat

Aqua One 200W Aquarium Heater / Thermostat£29.99   £16.49

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Genuine Aqua One branded 200W Aquarium Heater Thermostat for aquariums up to 200 litres, including AquaMode 900, AquaStart 900, AquaStyle 850, UFO 700, Aquience Cube 550, Corner 850, Bow Front 850, 1500, Aquanto 182, EuroStyle 80, EuroStyle Bowfront 80, Corner 85, Regency 80, 100, Royale 90, Windsor 66

Aqua One 300W Aquarium Heater / Thermostat

Aqua One 300W Aquarium Heater / Thermostat£30.99   £16.49

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Genuine Aqua One branded 300W Aquarium Heater Thermostat for larger aquariums, including AquaMarine 900, Aquience Cube 650, Aquience Corner 1000, Aquience Bow Front 1000, 1200, Bow Front 1800, EuroStyle 100, 120, 150, Regency 120, Royale 120, Windsor 88

Aqua One Aquarium Heater Sucker Clips - (Pack of 2)

Aqua One Aquarium Heater Sucker Clips - (Pack of 2)£3.42   £3.49

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Genuine Aqua One aquarium heater clips for all Aqua One aquarium heaters from 25w to 300w. These replacement clips are original Aqua One items, identical to the ones supplied with your heater / aquarium. Renew and replace as they become lost or loose in your aquarium. Don't forget to unplug your heater during any maintenance.

Aqua One Thermosafe 50W Heater / Thermostat

Aqua One Thermosafe 50W Heater / Thermostat£30.99   £23.99

Ultra safe, Thermal shock proof heater-thermostat to suit aquariums of up to 50 litres in capacity.

Aqua One Thermosafe 100W Heater / Thermostat

Aqua One Thermosafe 100W Heater / Thermostat£31.99   £23.99

Genuine Aqua One 100W Thermosafe Aquarium Heater Thermostat for smaller AquaOne Aquariums, including AquaMode 600, AquaStart 500 & 600, AquaStyle 380 & 510, along with the UFO 550.

Aqua One Thermosafe 150W Heater / Thermostat

Aqua One Thermosafe 150W Heater / Thermostat£32.99   £23.99

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Genuine Aqua One 150W Thermosafe Aquarium Heater Thermostat for aquariums up to 150 litres, including AquaStyle 620, AquaStyle 620T, Aquanto 130 and AquaVis 130.

Aqua One Thermosafe 200W Heater / Thermostat

Aqua One Thermosafe 200W Heater / Thermostat£33.99   £24.99

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Genuine Aqua One 200W Thermosafe Aquarium Heater Thermostat for aquariums up to 200 litres, including AquaMode 900, AquaStart 900, AquaStyle 850, UFO 700, Aquience Cube 550, Corner 850, Bow Front 850, 1500, Aquanto 182, EuroStyle 80, EuroStyle Bowfront 80, Corner 85, Regency 80, 100, Royale 90, Windsor 66

Aqua One Thermosafe 300W Heater / Thermostat

Aqua One Thermosafe 300W Heater / Thermostat£34.99   £24.99

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Genuine Aqua One 300W Aquarium Thermosafe Heater Thermostat for larger aquariums, including AquaMarine 900, Aquience Cube 650, Aquience Corner 1000, Aquience Bow Front 1000, 1200, Bow Front 1800, EuroStyle 100, 120, 150, Regency 120, Royale 120, Windsor 88


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Aqua One Heaters

Reliable and really tough, the Aqua One heater range is easy to adjust and suitable for every aquarium, whether tropical or marine. Now featuring an extended 3 year warranty for your peace of mind. The Aqua One heater is not only tough but very easy to adjust with a clear visual indication of setting, visible on the heater tube itself. Just twist the adjustment knob, fit and forget.

Thermosafe Heaters from Aqua One

Thermosafe Heaters from Aqua One

Enjoy the very latest in Aquarium Technology with a brand new Thermosafe Aquarium Heater. Thr range includes 50, 100, 150, 200 and 300W models...

Select your new or replacement Aquarium Heater from the excellent new Aqua One Thermosafe range. Benefit from class leading features such as toughened glass, large easy to read temperature adjustment dial and the ability to run out of water, all backed up with a 3 year manufacturer's guarantee!

Heater Guide