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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. 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
  2. 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...
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    $8.34
  3. 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
  4. 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...
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    $7.94
  5. 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.
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    $7.94
  6. Deep Blue Professional Heat Stik Economy Heater 8 Inch 100 Watt

    Deep Blue Professional Heat Stik Economy Heater 8 Inch 100 Watt

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    100 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 Submersible Quartz Heater 17 Inch 300 Watt

    Deep Blue Professional Heat Stik Submersible Quartz Heater 17 Inch 300 Watt

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    300 Watt Submersible Quartz Heater. Maximum strength quartz silica tube Which is shatter resistant & more durable than conventional glass heater. "Easy set" thermostat provides precise and accurate thermal control. Includes gravel...
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    $22.51
  8. Deep Blue Professional Heat Stik Submersible Quartz Heater 17 Inch 250 Watt

    Deep Blue Professional Heat Stik Submersible Quartz Heater 17 Inch 250 Watt

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    250 Watt Submersible Quartz Heater. Maximum strength quartz silica tube Which is shatter resistant & more durable than conventional glass heater. "Easy set" thermostat provides precise and accurate thermal control. Includes gravel...
    ONLY
    $22.51
  9. Deep Blue Professional Heat Stik Submersible Quartz Heater 15 Inch 200 Watt

    Deep Blue Professional Heat Stik Submersible Quartz Heater 15 Inch 200 Watt

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    200 Watt Submersible Quartz Heater. Maximum strength quartz silica tube Which is shatter resistant & more durable than conventional glass heater. "Easy set" thermostat provides precise and accurate thermal control. Includes gravel...
    ONLY
    $20.45
  10. Deep Blue Professional Heat Stik Submersible Quartz Heater 15 Inch 150 Watt

    Deep Blue Professional Heat Stik Submersible Quartz Heater 15 Inch 150 Watt

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    150 Watt Submersible Quartz Heater. Maximum strength quartz silica tube Which is shatter resistant & more durable than conventional glass heater. "Easy set" thermostat provides precise and accurate thermal control. Includes gravel...
    ONLY
    $20.45

Grid List

Set Ascending Direction

Items 1-10 of 15

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