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    Hagen Marina Marina Mini Submersible Aquarium Heater 25 Watt - 6-in - (Up to 5.5 Gallons)

    Hagen Marina Marina Mini Submersible Aquarium Heater 25 Watt - 6-in - (Up to 5.5 Gallons)

    Hagen Marina Marina Mini Submersible Aquarium Heater 25 Watt - 6-in - (Up to 5.5 Gallons) more

    $16.44

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    Marina Submersible Heater for Aquarium, Mini, 25-watt

    Marina Submersible Heater for Aquarium, Mini, 25-watt

    Small yet powerful, the mini 25-watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up 5.5 US gallon aquariums. The heater includes many practical features for easy use, safety and convenience, including... more

    $14.99

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    ViaAqua 300-Watt Quartz Glass Submersible Heater with Built-In Thermostat

    ViaAqua 300-Watt Quartz Glass Submersible Heater with Built-In Thermostat

    High quality quartz glass submersible heater with a visible temperature readout more

    $13.69

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    ViaAqua 50-Watt Quartz Glass Submersible Heater with Built-In Thermostat

    ViaAqua 50-Watt Quartz Glass Submersible Heater with Built-In Thermostat

    High quality quartz glass submersible heater with a visible temperature readout more

    $9.65

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    Aqueon AQE06194 Mini Heater for Aquarium, 10-watt

    Aqueon AQE06194 Mini Heater for Aquarium, 10-watt

    Aquino is introducing exclusive features that are new to the aquatic industry and a variety of high-quality products help the beginning to intermediate hobbyist create and maintain a thriving aquatic environment. more

    $8.40

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    Theo Heater 400 watt

    Theo Heater 400 watt

    Patented heating element automatically turns off if water level declines Easy temperature adjustment - knob clicks at every degree change Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof glass... more

    $29.99

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    Theo Heater 150 watt

    Theo Heater 150 watt

    Patented heating element automatically turns off if water level declines Easy temperature adjustment - knob clicks at every degree change Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof glass... more

    $23.99

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    Theo Heater 300 watt

    Theo Heater 300 watt

    Patented heating element automatically turns off if water level declines Easy temperature adjustment - knob clicks at every degree change Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof glass... more

    $27.99

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    Submersible Heater 200 Watts

    Submersible Heater 200 Watts

    Submersible heater 200 wattsPart #: AQE100001502Item Name: Submersible Heater 200 WattsID: 18458-pid more

    $46.51

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    Peazz Pet

    (1,000+)
    Submersible Heater 100 Watts

    Submersible Heater 100 Watts

    Submersible heater 100 wattsPart #: AQE100001500Item Name: Submersible Heater 100 WattsID: 18456-pid more

    $42.51

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    Peazz Pet

    (1,000+)
    Submersible Heater 50 Watts

    Submersible Heater 50 Watts

    Submersible heater 50 wattsPart #: AQE100009498Item Name: Submersible Heater 50 WattsID: 18461-pid more

    $28.95

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    Submersible Heater 300 Watts

    Submersible Heater 300 Watts

    Submersible heater 300 wattsPart #: AQE100001503Item Name: Submersible Heater 300 WattsID: 23426-pid more

    $35.95

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    Submersible Heater 200 Watts

    Submersible Heater 200 Watts

    Submersible heater 200 wattsPart #: AQE100001502Item Name: Submersible Heater 200 WattsID: 18458-pid more

    $33.95

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    Tetra HT30 Submersible Heater 100 Watt (1030 Gal)

    Tetra HT30 Submersible Heater 100 Watt (1030 Gal)

    HT Submersible Heater (100 Watt)The new Tetra HT10 and HT30 submersible heaters for aquariums ranging from 2 to 30 gallons are easy to use. The electronic thermostat automatically adjusts heat output to keep the water at a constant 78F. All you have to... more

    $19.86 $12.29

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    Fluval M200 Submersible Glass Aquarium Heater (200 watts)

    Fluval M200 Submersible Glass Aquarium Heater (200 watts)

    The Fluval "M" 200 watt submersible heater is quality manufactured in Europe using superior components and construction. This sleek, compact Fluval heater can be trusted for exceptional performance and unsurpassed reliability. Unique only to the Fluval... more

    $31.19 $23.99

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    Tetra HT10 Submersible Heater 50 Watt (210 Gal)

    Tetra HT10 Submersible Heater 50 Watt (210 Gal)

    HT Submersible Heater (50 Watt) The new Tetra HT10 submersible heaters for aquariums ranging from 2 to 10 gallons are easy to use. The electronic thermostat automatically adjusts heat output to keep the water at a constant 78F. All you have to do is... more

    $16.11 $10.09

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    Submersible Heater 300 Watts

    Submersible Heater 300 Watts

    Submersible heater 300 wattsPart #: AQE100001503Item Name: Submersible Heater 300 WattsID: 23426-pid more

    $48.40

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    Peazz Pet

    (1,000+)
    Aquatop Submersible Heater - 100W - 10.5 in. - Up to 25 gal.

    Aquatop Submersible Heater - 100W - 10.5 in. - Up to 25 gal.

    Aquatop's Submersible Heaters are compact; durable and ideal for keeping temperature in any tropical fresh or salt water aquarium. Made with high quality insulated glass and advanced heating elements. The heater comes with suction cup brackets for easy... more

    $16.99

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    Aqen Heater Submersible 50 Watts

    Aqen Heater Submersible 50 Watts

    Aqen Heater Submersible 50 Watts more

    $39.49

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    Overstock.com

    (600,000+)
    Aqen Heater Submersible 200 Watts

    Aqen Heater Submersible 200 Watts

    Aqen Heater Submersible 200 Watts more

    $47.49

    FREE shipping

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    Overstock.com

    (600,000+)
    Aqen Heater Submersible 150 Watts

    Aqen Heater Submersible 150 Watts

    Aqen Heater Submersible 150 Watts more

    $48.99

    FREE shipping

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    Overstock.com

    (600,000+)
    Mini Submersible Heater 15 Watts - (For Aquariums 5-10 Gallons)

    Mini Submersible Heater 15 Watts - (For Aquariums 5-10 Gallons)

    Submersible heater for small aquariums Great for under gravel use No setting needed Safe and effective in aquariums and terrariums more

    $9.07

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    Cascade Submersible Aquarium Heater 25 Watt - 7-in - (Up to 5 Gallon)

    Cascade Submersible Aquarium Heater 25 Watt - 7-in - (Up to 5 Gallon)

    Fully submersible aquarium heater Simple to use Automatically maintains desired water temperature Hyper accurate to within 1? more

    $12.75

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    Marineland Precision Submersible Aquarium Heater 100 Watt - 10.25-in Long - (Aquariums up to 29 Gallons)

    Marineland Precision Submersible Aquarium Heater 100 Watt - 10.25-in Long - (Aquariums up to 29 Gallons)

    Keeps accurate temperatures to within 1?F Auto-shut off prevents burnout May be viewed from all angles For freshwater and marine aquariums more

    $24.19

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    Cobalt Aquatics Mini-Therm Submersible Aquarium Heater

    Cobalt Aquatics Mini-Therm Submersible Aquarium Heater

    Compact heater for small marine, fresh water, reef and terrarium. Fully submersible. Shatterproof. Constant on design. more

    $14.88

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    Aqueon Mini Heater - 10W - Up to 5 gal.

    Aqueon Mini Heater - 10W - Up to 5 gal.

    The Aqueon Mini Heater is ideal for small aquariums; up to 5 gallons in size. Fully submersible and shatter proof design keeps your fish safe. Thermal safety fuse shuts off the heater when it dries out or in any other event it might overheat. When used... more

    $14.99

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    Slim Heater for Mini Aquariums - 7.5W - Up to 5 gal.

    Slim Heater for Mini Aquariums - 7.5W - Up to 5 gal.

    A 7.5 watt Slim Heater is ideal for your mini or micro tropical aquarium up to 5 gallons in size. Shock proof heater is uniquely shaped to fit easily into a variety of tanks; above or below the substrate. Perfect for glass; acrylic; or plastic... more

    $16.49

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    Aquatop Submersible Digital Aquarium Heater

    Aquatop Submersible Digital Aquarium Heater

    Dual digital display shows current and target temperature. Energy saving automatic shutdown once target temperature is reached. Temperatures adjust between 65 and 93 degrees fahrenheit.100-watt is suitable for tanks up to 30 gallons. 200-watt is... more

    $54.99

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    Aquatop Submersible Digital Aquarium Heater

    Aquatop Submersible Digital Aquarium Heater

    Dual digital display shows current and target temperature. Energy saving automatic shutdown once target temperature is reached. Temperatures adjust between 65 and 93 degrees fahrenheit.100-watt is suitable for tanks up to 30 gallons. 200-watt is... more

    $59.99

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    More information about Fish Supplies

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