Aqueon Preset Aquarium Heater

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Keep your fish happy and healthy with the ideal water temperature using the convenient and accurate Aqueon Preset Aquarium Heater. Whether your tropical community fish tank is freshwater or saltwater, you can quickly and easily make sure that the aquatic climate is the right one for your finned friends, thanks to this fully submersible heater being preset to 78 degrees Fahrenheit, and you can rest easy knowing that the shatter-proof construction will keep your fish safe and sound. With a wide range of available wattages, finding the right heater for your aquarium is a snap, and it also comes with an automatic safety shut-off feature to help prevent damage from overheating and keep your fish swimming happily along.

Key Benefits

  • Perfect for easily maintaining the ideal water temperature for both healthy salt and freshwater community fish tanks.
  • Heater is preset to 78 °F and is accurate within 1 degree, can be completely submerged, and requires no adjustments.
  • Available in a wide range of the most common wattage sizes to provide a custom heating experience for any aquarium.
  • Durable shatter-resistant heater construction allows for completely submersible and safe aquarium temperature control.
  • Convenient and secure design will automatically shut off if heater is no longer properly submerged, preventing damage.

See all items by Aqueon

  • Item Number
  • Fish Type
    Marine Fish, Marine Invertebrate, Tropical Freshwater, Goldfish


Watts Overall Length Aquarium Size Number of Suction Cups
50 5 3/4 inches 5-20 gal 1
100 6 3/8 inches 20-30 gal 1
150 8 inches 30-55 gal 2
200 9 1/8 inches 50-75 gal 2


1-Year Warranty.

Customer Reviews

4 Reviews 4 Reviews 4.8 out of 5 Stars

100% Recommend

100% of reviewersrecommend this product

4.8 / 5

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  • Turtle warmth

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    I got this in the hopes it would warm my turtle tank. My has been more active since i put this heater in. It maintains the temperature in his tank and keeps my turtle warm without over heating

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  • Aqueon heater.

    By on

    It is a good little heater for the money. I have it in my 10 gallon aquarium and it keeps it at a very steady temperature. I would recommend it to a friend.

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  • Very satisfied

    By on

    Been very good for our ten gallon tank. It’s been consistent in temperature since the first time I plugged it in.

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  • Great Product!

    By on

    Great product! Quick shipping. Love the preset feature for my tanks

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