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Heaters

Aquarium Supplies

Aquarium Heaters

A quality heater is necessary if you intend to maintain a successful tropical freshwater, marine fish or reef system. Temperature fluctuations often go unnoticed by aquarists and can cause stress to fish and corals. Most heaters include a built-in thermostat to select the optimal temperature for your aquarium.

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  1. Cobalt Aquatics Neo-Therm 150 Watt Aquarium Heater w/ LED Display

    Cobalt Aquatics Neo-Therm 150 Watt Aquarium Heater w/ LED Display

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    Cobalt Aquatics Neo-Therm 150 Watt Aquarium Heater The Cobalt Aquatics Neo-Therm electronic heaters have an impressive accuracy of ±0.5ºF. The electronic thermostat has an ultra-fast response time that helps to keep the tempe...
    ON SALE
    $72.86
  2. Cobalt Aquatics Neo-Therm 100 Watt Aquarium Heater w/ LED Display

    Cobalt Aquatics Neo-Therm 100 Watt Aquarium Heater w/ LED Display

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    Cobalt Aquatics Neo-Therm 100 Watt Aquarium Heater The Cobalt Aquatics Neo-Therm electronic heaters have an impressive accuracy of ±0.5ºF. The electronic thermostat has an ultra-fast response time that helps to keep the tempe...
    ON SALE
    $65.79
  3. Cobalt Aquatics Neo-Therm 75 Watt Aquarium Heater w/ LED Display

    Cobalt Aquatics Neo-Therm 75 Watt Aquarium Heater w/ LED Display

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    Cobalt Aquatics Neo-Therm 75 Watt Aquarium Heater The Cobalt Aquatics Neo-Therm electronic heaters have an impressive accuracy of ±0.5ºF. The electronic thermostat has an ultra-fast response time that helps to keep the temper...
    ON SALE
    $60.49
  4. Cobalt Aquatics Neo-Therm 50 Watt Aquarium Heater w/ LED Display

    Cobalt Aquatics Neo-Therm 50 Watt Aquarium Heater w/ LED Display

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    Cobalt Aquatics Neo-Therm 50 Watt Aquarium Heater The Cobalt Aquatics Neo-Therm electronic heaters have an impressive accuracy of ±0.5ºF. The electronic thermostat has an ultra-fast response time that helps to keep the temper...
    ON SALE
    $58.00
  5. Cobalt Aquatics Neo-Therm 25 Watt Aquarium Heater w/ LED Display

    Cobalt Aquatics Neo-Therm 25 Watt Aquarium Heater w/ LED Display

    Cobalt Aquatics Neo-Therm 25 Watt Aquarium Heater The Cobalt Aquatics Neo-Therm electronic heaters have an impressive accuracy of ±0.5ºF. The electronic thermostat has an ultra-fast response time that helps to keep the temper...
    ON SALE
    $56.49
  6. Deep Blue Professional Heat Stik Economy Heater 8 Inch 50 Watt

    Deep Blue Professional Heat Stik Economy Heater 8 Inch 50 Watt

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    50 Watt Hang-on Heater - Features: Easy to adjust temperature dial located on top of heater. East to install, mounts securely on aquarium rim. Equipped with activity indicator that lets you know when heater is working. Freshwater ...
    ONLY
    $8.34
  7. Deep Blue Professional Heat Stik Mini Submersible Heater 60 Watt

    Deep Blue Professional Heat Stik Mini Submersible Heater 60 Watt

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    60 Watt Mini Submersible Heater - Features: Fully submersible, place any where in your aquarium. Slim, compact footprint conceals easily behind ornaments & decorations. Ideal for desktop systems. Preprogrammed, no adjustments need...
    ONLY
    $8.34
  8. Deep Blue Professional Heat Stik Mini Submersible Heater 30 Watt

    Deep Blue Professional Heat Stik Mini Submersible Heater 30 Watt

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    30 Watt Mini Submersible Heater - Features: Fully submersible, place anywhere in your aquarium. Slim, compact footprint conceals easily behind ornaments & decorations. Ideal for desktop systems. Preprogrammed, no adjustments neede...
    ONLY
    $8.34
  9. Deep Blue Professional Heat Stik Mini Submersible Heater 15 Watt

    Deep Blue Professional Heat Stik Mini Submersible Heater 15 Watt

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    15 Watt Mini Submersible Heater - Features: Fully submersible, place any where in your aquarium. Slim, compact footprint conceals easily behind ornaments & decorations. Ideal for desktop systems. Preprogrammed, no adjustments need...
    ONLY
    $7.94
  10. Deep Blue Professional Bettastik Mini Submersible Betta Heater 7.5 Watt

    Deep Blue Professional Bettastik Mini Submersible Betta Heater 7.5 Watt

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    7.5 Watt Mini Submersible Heater - Features: Fully submersible, place any where in your aquarium.
    ONLY
    $7.94

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