Aquarium Heaters

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The right aquarium heater is critical to a successful and thriving aquarium. Shop our a huge selection of fish tank heaters, including hang-on heaters, submersible heaters, in-line heaters, and more. Tropical fish usually require water to be about 78 degrees Fahrenheit. We offer a variety of heaters to ensure you have an appropriate and stable aquarium environment.

Hydor ETH In Line Heater
This state-of-the-art system allows the unit to be left running without water for a short time with no damage.

> See This Heater

Hydor THEO UL Heater
The Hydor THEO Heaters provide the proper temperature needed to make your home aquarium flourish with the most advanced heating technology available.

> See This Heater

Displaying 1 - 4 of 4 items

710160 050 - Marineland Stealth Submersible Heater

Marineland Stealth Submersible Heater
710160
Was: $23.46
Now Starting At: $21.99
Save: 6%

710159 050 - Aquarium Sys Visi-Therm Submersible Heater

Aquarium Sys Visi-Therm Submersible Heater
710159
Was: $29.99
Now Starting At: $20.99
Save: 30%

Hydor Theo Ul Heater
710079
Was: $22.76
Now Starting At: $16.99
Save: 25%

Hydor Mini Heater
710083
Was: $16.99
Now Starting At: $12.99
Save: 24%

Displaying 1 - 4 of 4 items

Petsupplies.com is your source for aquarium supplies, fish tanks, and even live tropical fish at guaranteed lowest prices! From aquariums to aquarium stands, fish food to filters, heaters to aquarium lighting, we have exactly what you need for your home aquarium!