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    "Elive, Llc.-Ready Set Aquarium Heater 25 Watt"

    "Elive, Llc.-Ready Set Aquarium Heater 25 Watt"

    "READY SET AQUARIUM HEATERPre set, no adjustment requiredLed operating lights red-heating; green-at 78 degreesThermostat maintains water temperature at 78 degrees +/- 2 degreesSilicon crystals effectively distribute and transfer heatShatter resistant... more

    $19.99

    FREE shipping

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    Aquatop D1Htnano50 Heater For 10 To 25 Gal Fish Tank 50 Watt

    Aquatop D1Htnano50 Heater For 10 To 25 Gal Fish Tank 50 Watt

    HEATER FOR 10 TO 25 GAL FISH TANK 50 WATT more

    $19.56

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    Hydor Theo Heater 25 watt

    Hydor Theo Heater 25 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... more

    $13.58

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    Exo Terra Turtle Heater 25 Watt Up To 10 gallons

    Exo Terra Turtle Heater 25 Watt Up To 10 gallons

    Exo Terra Turtle Heater is a submersible heater preset to maintain a constant water temperature of 78 F. It features a compact design with a mounting bracket with two suction cups. The heater also contains safety features, such as a stainless steel... more

    $24.99

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    Aquatop D1Htnano25 Heater For 15 Gal Fish Tank 25 Watt Single

    Aquatop D1Htnano25 Heater For 15 Gal Fish Tank 25 Watt Single

    HEATER FOR 15 GAL FISH TANK 25 WATT SINGLE more

    $19.26

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    "Elive, Llc.-Micro Heater 25 Watt/5 Gal"

    "Elive, Llc.-Micro Heater 25 Watt/5 Gal"

    "MICRO HEATERDesigned for bowls and small aquariums - heats up to 5 gallonsShatterproof thermal plastic designFully supmersibleThermal safety switchUPC : 081997010258Size : 25 WATT/5 GALLength : 4.6Width : 1.5Height : 9.1Product Type : Aquatics -... more

    $16.99

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    Cobalt Aquatics Neo-Therm Heater, 25 watt, Black

    Cobalt Aquatics Neo-Therm Heater, 25 watt, Black

    The all new Cobalt Aquatics Neo-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set one touch control system. The advanced electronic thermostat is accurate to 0.5 deg, For ultimate safety and reliability,... more

    $58.89

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    Hydor Mini Heater 7.5 Watt

    Hydor Mini Heater 7.5 Watt

    Hydor 7.5 Watt Mini Heater For Tanks 2.5 - 5 GallonsMINI HEATER helps increase by a few degrees Fahrenheit/Celsius the ambient water temperature of mini aquariums compared to the room temperature where they are positioned. They are fully submersible... more

    $12.99

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    Penn Plax Cascade Heater 25 Watt / 110 Volt, As Shown

    Penn Plax Cascade Heater 25 Watt / 110 Volt, As Shown

    Bettas are by far the most popular fish for beginners and pros because they're so animated, colorful, and easy to care for. But they tend to fight each other. The Betta Bow-Front Fish Tank solves this problem by keeping your bettas separate, safe and... more

    $18.71

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    Aquatop Submersible Glass Heater for Aquariums 100 Watt - 10.5\" - Aquariums up to 25 Gallons

    Aquatop Submersible Glass Heater for Aquariums 100 Watt - 10.5\" - Aquariums up to 25 Gallons

    Constantly maintains stable aquarium water temperatures Temperature is easy to set and adjust Insulated glass with top quality construction more

    $29.76 $18.99

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    Fluval E Series Heaters 300 watt

    Fluval E Series Heaters 300 watt

    Innovative electronic heater for fresh and saltwater aquariums Advanced aquarium heater detects abnormal or non-optimal conditions Heater microprocessor monitors and displays aquarium water temperature The most technologically advanced submersible... more

    $55.99

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    Theo Heater 25 watt

    Theo Heater 25 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

    $17.99

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    Via Aqua Quartz Heaters 100 Watt - Aquariums up to 25 Gallons - (10.7\" High x 1.1\" Diameter)

    Via Aqua Quartz Heaters 100 Watt - Aquariums up to 25 Gallons - (10.7\" High x 1.1\" Diameter)

    Extra durable quartz glass aquarium heater Fully submersible and break-resistant Easy to read temperatures Simple suction cup installation Adjustable temperature (68?-92?F) For freshwater and marine aquariums more

    $21.98

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    Hydor Submersible Aquarium Heater 25 Watt - 6.9" Long - (2 - 7 Gallons)

    Hydor Submersible Aquarium Heater 25 Watt - 6.9" Long - (2 - 7 Gallons)

    Hydor Submersible Aquarium Heater 150 Watt - 12" Long - (23 - 40 Gallons) more

    $27.75

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    Cobalt Aquatics Easy-Therm Heater, 25 watt

    Cobalt Aquatics Easy-Therm Heater, 25 watt

    The all new Cobalt Aquatics Easy-Therm fully submersible heaters feature a modern, flat design, and a simple to set thermostat with easy to see ON/OFF indicator lights. The positive clicking thermostat is equipped with a Triac that turns the heater on... more

    $48.90 $44.63

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    Penn Plax Cascade Heater 25 Watt / 110 Volt

    Penn Plax Cascade Heater 25 Watt / 110 Volt

    Cascade Heater 25 Watt / 110 Volt: Submersible aquarium heater automatically sets and maintains your desired temperature Accurate to 1 degree Fully submersible Can be used for fresh and saltwater aquariums more

    $16.70 $12.41

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums 7.5 Watt - 2-5 Gallons

    Hydor Slim Heater for Micro Tanks & Mini Aquariums 7.5 Watt - 2-5 Gallons

    Hydor Slim Heater for Micro Tanks & Mini Aquariums 7.5 Watt - 2-5 Gallons more

    $15.45

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    Cobalt Aquatics Neo-Therm Heater, 25 watt

    Cobalt Aquatics Neo-Therm Heater, 25 watt

    The all new Cobalt Aquatics Neo-Therm fully submersible electronic heaters feature a modern, super flat design with an easy to set one touch control system. The advanced electronic thermostat is accurate to ?0.5 deg, For ultimate safety and... more

    $56.11

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

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

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

    $20.97

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    Hagen Elite Radiant 6" Aquarium Heater (Mini Compact) 25 Watt - (For Aquariums up to 5.5 Gallons)

    Hagen Elite Radiant 6" Aquarium Heater (Mini Compact) 25 Watt - (For Aquariums up to 5.5 Gallons)

    Hagen Elite Radiant 6-in Aquarium Heater (Mini Compact) 50 Watt - (For Aquariums up to 10 Gallons) more

    $14.89

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    Hydor Theo Aquarium Heater, 25 Watts

    Hydor Theo Aquarium Heater, 25 Watts

    New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of the water in... more

    $18.89

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    Cobalt Aquatics Accu-Therm Heater, 25 watt

    Cobalt Aquatics Accu-Therm Heater, 25 watt

    The all new Cobalt Aquatics ACCU-Therm fully submersible heaters feature an easy to set thermostat with and ON/OFF indicator light that is Triac equipped that turns the heater on and of at lower voltage, and magnetic contacts that ensure positive... more

    $35.63 $21.88

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    100 Watt Pro Series Submersible Aquarium Heater

    100 Watt Pro Series Submersible Aquarium Heater

    100 Watt Pro Series Submersible Aquarium Heater The Professional Aquarium Glass Submersible Heater, 100 Watt, provides accurate thermal control for freshwater and saltwater aquariums, aquaculture, terrariums and hydroponic systems! Heats 25 gallon... more

    $19.99

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    "Side Mounting Adapter For Fluval 300 Watt E-Series Aquarium Heater"

    "Side Mounting Adapter For Fluval 300 Watt E-Series Aquarium Heater"

    " Free shipping on all US orders! Orders ship within 24 hours Monday through Friday. Returns accepted for 14 days after item is received. Free return shipping. Warranty and original packaging not included. " more

    $11.99

    FREE shipping

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    "Fluval M50 Submersible Glass Aquarium Heater (50 Watts)"

    "Fluval M50 Submersible Glass Aquarium Heater (50 Watts)"

    " For 50 gallon aquariums. Glass heater. Reflective technology. Free shipping on all US orders! Orders ship within 24 hours Monday through Friday. Returns accepted for 14 days after item is received. Free return shipping. Warranty and original... more

    $24.99

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    Fluval M300 Submersible Glass Aquarium Heater (300 watts)

    Fluval M300 Submersible Glass Aquarium Heater (300 watts)

    $27.29

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    "Adjustable Bracket For Fluval 300 Watt E-Series Aquarium Heater"

    "Adjustable Bracket For Fluval 300 Watt E-Series Aquarium Heater"

    " Free shipping on all US orders! Orders ship within 24 hours Monday through Friday. Returns accepted for 14 days after item is received. Free return shipping. Warranty and original packaging not included. " more

    $11.99

    FREE shipping

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    Fluval Edge Compact Aquarium Heater (25 w)

    Fluval Edge Compact Aquarium Heater (25 w)

    $26.19

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    Hagen Fluval LED 24-Inch Daylight/Plant Lamp, 25-watt

    Hagen Fluval LED 24-Inch Daylight/Plant Lamp, 25-watt

    Hagen Fluval LED 24-Inch Daylight/Plant Lamp, 25-watt Fluval Aqua life & Plant Full Spectrum Performance LED Strip Light provides a balanced combination of multiple LEDs for optimal photosynthetic activity, plant growth and viewing. The strip light... more

    $200.29

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    Hagen Elite Hagen Elite Radiant 6 Aquarium Heater (Mini Compact): 25 Watt - (For Aquariums up to 5.

    Hagen Elite Hagen Elite Radiant 6 Aquarium Heater (Mini Compact): 25 Watt - (For Aquariums up to 5.

    Hagen Elite Hagen Elite Radiant 6 Aquarium Heater (Mini Compact): 25 Watt - (For Aquariums up to 5.5 Gallons) #A730 Hagen Elite Radiant 6 Aquarium Heater maintains your aquarium water temperature, with a sure-grip rim attachment that allows for easy... more

    $6.99

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    Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 - Aquari

    Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 - Aquari

    Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

    $17.99

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    Aquatop Aquatop Submersible Glass Heater for Aquariums: 100 Watt - 10.5 - Aquariums up to 25 Gallon

    Aquatop Aquatop Submersible Glass Heater for Aquariums: 100 Watt - 10.5 - Aquariums up to 25 Gallon

    Aquatop Aquatop Submersible Glass Heater for Aquariums: 100 Watt - 10.5 - Aquariums up to 25 Gallons #GH-100 Keep your aquatic creatures happy, healthy and comfortable with the Aquatop Aquarium Submersible Glass Heater. This heater features suction... more

    $18.99

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    Hydor Theo Aquarium Heater (25 watts)

    Hydor Theo Aquarium Heater (25 watts)

    $20.99

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    "Fluval Sky Aquasky LED Strip Light 48""-60"""

    "Fluval Sky Aquasky LED Strip Light 48""-60"""

    " 35 White LEDs 25 RGB LEDs 2,400 Lumens 35 Watts Remote control includes up to 11 preset color blends Our refurbished products are open box items that have been tested and verified to function properly. All of the original packaging may not be... more

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    $84.99

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    "Marineland 100 Watt Aquarium Heater"

    "Marineland 100 Watt Aquarium Heater"

    " For aquarium ups to 25 gallons Free shipping on all US orders! Orders ship within 24 hours Monday through Friday. Returns accepted for 14 days after item is received. Free return shipping. Warranty and original packaging not included. " more

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    $18.99

    FREE shipping

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    "Aquatop Aquatic Supplies-Submersible Glass Aquarium Heater 100 Watt"

    "Aquatop Aquatic Supplies-Submersible Glass Aquarium Heater 100 Watt"

    "SUBMERSIBLE GLASS AQUARIUM HEATERFully submersible glass heater offers simple and easy installation with use of suction cups.Maintain constant and stable temperatures for your aquatic creatures.Can handle aquariums up to 25 gallons.Easy to set and... more

    $16.99

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    Hydor Slim Fish Tank Heater 7.5 Watt

    Hydor Slim Fish Tank Heater 7.5 Watt

    Hydor Slim 7.5 watt aquarium heater is great for micro and mini aquariums from 2-5 gallons. The flat, oval shape allows you to place this slim fish tank heater out of sight in a variety of tanks, including glass, acrylic or plastic. It helps increase... more

    $13.99

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    Hydor Slim Heater for Bettas & Bowls 7.5 Watt

    Hydor Slim Heater for Bettas & Bowls 7.5 Watt

    Slim Heater for Bettas & Bowls 7.5 watt aquarium heater provides Bettas with natural warmth and safely fits 2-5 gallon fish bowls. It features a flat, round shape at a 90 degree angel that hides easily under gravel to keep concealed and out of sight.... more

    $11.99

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    Aqueon 159000 10 watt Mini Aquarium Heater, As Shown

    Aqueon 159000 10 watt Mini Aquarium Heater, As Shown

    Features Mini Aquarium Heater Fully Submersible Shatterproof Features Thermal Safety Shut-Off Always Set To The Ideal Temperature Specifications Dimension: 2.25 H x 3.58in W x 6.85in L Color: As Shown. more

    $18.14

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    Marineland Visi Therm 25 Watt

    Marineland Visi Therm 25 Watt

    * Submersible aquarium heater with advanced heating element * Redesigned heater boasts superior heat transfer and durability * Set and maintain ideal water temperature for aquarium inhabitants Set and maintain proper aquarium water temperature with... more

    $17.99

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