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

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

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

$22.74

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"Hydor Submersible Aquarium Heater 400 Watt - 15.5"" Long - (80 - 105 Gallons)"

"Hydor Submersible Aquarium Heater 400 Watt - 15.5"" Long - (80 - 105 Gallons)"

"Hydor Submersible Aquarium Heater 400 Watt - 15.5"" Long - (80 - 105 Gallons)" more

$32.92

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Best Seller
"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 25 Watt - 6.9"" Long - (2 - 7 Gallons)" more

$19.41

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'Aqueon Submersible Aquarium Heaters (10'' Length; For 15-40 gallon Aquariums; 100 Watts)', Multicolor

'Aqueon Submersible Aquarium Heaters (10'' Length; For 15-40 gallon Aquariums; 100 Watts)', Multicolor

With Aqueon, it's all about the fish. Aqueon makes a variety of aquarium solutions to sustain healthy and happy fish and aquatic life. Keep your tropical fish warm with the Aqueon Glass Adjustable Submersible Aquarium Heater. Constructed from thermal... more

$18.24

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Fluval M300 Submersible Glass Aquarium Heater (300 watts)

Fluval M300 Submersible Glass Aquarium Heater (300 watts)

The Fluval "M" 300 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

$33.79 $25.99

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Hydor Slim Heater for Micro Tanks & Mini Aquariums - T20301

Hydor Slim Heater for Micro Tanks & Mini Aquariums - T20301

Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned. Aquariums 5-10 Gallons (15 Watts) more

$9.97

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Hydor Slim Heater for Micro Tanks & Mini Aquariums - T20201

Hydor Slim Heater for Micro Tanks & Mini Aquariums - T20201

Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned. Aquariums 2-5 Gallons (7.5 Watts) more

$8.97

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Accu-Therm Submersible Aquarium Heater Black 250 Watt/70 Gal

Accu-Therm Submersible Aquarium Heater Black 250 Watt/70 Gal

The all new Cobalt Aquatics ACCU-Therm fully submersible heaters feature an easy to set thermostat with andON/OFF indicator light that is Triac equipped that turns the heater on and of at lower voltage to extend life and reliability of the heater and... more

$37.59

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Fluval M300 Submersible Glass Aquarium Heater (300 watts), Multicolor

Fluval M300 Submersible Glass Aquarium Heater (300 watts), Multicolor

The Fluval M 300 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 M... more

$25.98

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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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Fluval M50 Submersible Glass Aquarium Heater (50 watts)

Fluval M50 Submersible Glass Aquarium Heater (50 watts)

$25.19

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Elite Radiant Mini Aquarium Heater - A731

Elite Radiant Mini Aquarium Heater - A731

25 & 50-watt aquarium heaters Maintains accurate aquarium temperature Pilot on/off switch Suitable for aquariums up to 5-10 gallons depending on wattage 50 Watts (6" Long) more

$7.97

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Slim Heater for Bettas, Bowls and Aquariums 7.5 Watt, Oval, up to 5 gal, USA, Brand Hydor

Slim Heater for Bettas, Bowls and Aquariums 7.5 Watt, Oval, up to 5 gal, USA, Brand Hydor

Helps guarantee your fish a healthy life by promoting the ideal water temperature.Plug and Play, No temperature to setCan be positioned under gravelNo glass componentsHeater is UL listed more

$17.79

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Hydor 150W Submersible Glass Aquarium Heater - Original Theo

Hydor 150W Submersible Glass Aquarium Heater - Original Theo

Theo Heater. 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... more

$27.75

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Hydor 100W Submersible Glass Aquarium Heater - Original Theo (Pack of 1)

Hydor 100W Submersible Glass Aquarium Heater - Original Theo (Pack of 1)

Hydor 100W Submersible Glass Aquarium Heater - Original Theo (Pack of 1) more

$20.79

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

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

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

$8.09

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100 Watts (Tank Size: 20 to 33 Gallon) Adjustable Aquarium Heater Anti-explosion Submersible Fish Tank Water/ Temperature Range 18~33'c (65°f and 93°f.)

100 Watts (Tank Size: 20 to 33 Gallon) Adjustable Aquarium Heater Anti-explosion Submersible Fish Tank Water/ Temperature Range 18~33'c (65°f and 93°f.)

Recommended tank size: 20 to 33 gallon, Power: 100 W. Voltage: 110-120V 60Hz, Dimension: Length: 10 inch, Diameter: 0.85 inch, Length of power cord: 2.9 feet more

$11.97

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"Via Aqua Quartz Heaters 300 Watt - Aquariums up to 80 Gallons - (14.8\"" High x 1.1\"" Diameter)"

"Via Aqua Quartz Heaters 300 Watt - Aquariums up to 80 Gallons - (14.8\"" High x 1.1\"" Diameter)"

"Via Aqua Quartz Heaters 300 Watt - Aquariums up to 80 Gallons - (14.8\"" High x 1.1\"" Diameter)" more

$22.94

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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)

short description is not available more

$16.44

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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)"

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

$19.94

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ISTA 900W Temperature Controller 900 Watt Heater Heating Thermostat Aquarium Fish Tank

ISTA 900W Temperature Controller 900 Watt Heater Heating Thermostat Aquarium Fish Tank

ISTA 900W Temperature Controller 900 Watt Heater Heating Thermostat Aquarium Fish TankThis Digital Temperature Controller is an excellent and convenientmultifunction device for measuring and controlling temperature in Aquariums.The stability of... more

$105.36

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3 X 300 Watts(tank Size: 60 to 100 Gallon) Adjustable Aquarium Heater Anti-explosion Submersible Fish Tank Water/ Temperature Range 18~33'c (65°f and 93°f.)

3 X 300 Watts(tank Size: 60 to 100 Gallon) Adjustable Aquarium Heater Anti-explosion Submersible Fish Tank Water/ Temperature Range 18~33'c (65°f and 93°f.)

Recommended tank size: 60 to 100 gallon, Power: 300 W. Voltage: 110-120V 60Hz, DIMENSIONS: Length: 13.7 inch Diameter: 0.85 inch Length of power cord: 2.9 feet, more

$40.62

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"Hagen Elite Elite Radiant Heater for Aquariums 50 Watt - Aquariums up to 10 Gallons - (8"" Long)"

"Hagen Elite Elite Radiant Heater for Aquariums 50 Watt - Aquariums up to 10 Gallons - (8"" Long)"

"Hagen Elite Elite Radiant Heater for Aquariums 50 Watt - Aquariums up to 10 Gallons - (8"" Long)" more

$13.54

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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)"

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

$12.75

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Eheim Jager Aquarium Heaters 150 Watt - 13.63 Inch Tall - (53-79 Gallons)

Eheim Jager Aquarium Heaters 150 Watt - 13.63 Inch Tall - (53-79 Gallons)

Eheim Jager Aquarium Heaters 150 Watt - 13.63 Inch Tall - (53-79 Gallons) more

$22.54

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Eheim Jager Aquarium Heaters 75 Watt - 9.63 Inch Tall - (15-20 Gallons)

Eheim Jager Aquarium Heaters 75 Watt - 9.63 Inch Tall - (15-20 Gallons)

Eheim Jager Aquarium Heaters 75 Watt - 9.63 Inch Tall - (15-20 Gallons) more

$36.99 $23.21

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Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 75 Watt Heats Up to 15 Gallon Tank

Penn Plax Aquarium Heater Fully Submersible Within 1 Degree of Accuracy 75 Watt Heats Up to 15 Gallon Tank

The Penn-Plax Cascade Heat Aquarium Heater accurately maintains the desired temperature in your tank within 1 degree of accuracy. This heater can be manually set to any temperature however, comes preset to 76 degrees making them ready to use for most... more

$38.05

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Eheim Jager Aquarium Heaters 100 Watt - 12.63 Inch Tall - (26-40 Gallons)

Eheim Jager Aquarium Heaters 100 Watt - 12.63 Inch Tall - (26-40 Gallons)

Eheim Jager Aquarium Heaters 100 Watt - 12.63 Inch Tall - (26-40 Gallons) more

$26.18

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200 Watts(tank Size: 40 to 66 Gallon) Adjustable Aquarium Heater Anti-explosion Submersible Fish Tank Water/ Temperature Range 18~33'c (65°f and 93°f.)

200 Watts(tank Size: 40 to 66 Gallon) Adjustable Aquarium Heater Anti-explosion Submersible Fish Tank Water/ Temperature Range 18~33'c (65°f and 93°f.)

Recommended tank size: 60 to 100 gallon, Power: 200 W. Voltage: 110-120V 60Hz, DIMENSIONS: Length: 12.5 inch Diameter: 0.85 inch Length of power cord: 2.9 feet more

$12.57

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ISTA 350W Temperature Controller 350 Watt Heater Heating Thermostat Aquarium Fish Tank

ISTA 350W Temperature Controller 350 Watt Heater Heating Thermostat Aquarium Fish Tank

State of the art electronic thermostat and split type.More safe and convenient: explosion proof of tubular heater will not happen during the process of water replacement.For the safety, when the heater leaves water surface that heating process will be... more

$49.98

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Interpet Life Thermal Submersible Aquarium Heater, 10 gal.

Interpet Life Thermal Submersible Aquarium Heater, 10 gal.

50 Watt Submersible Aquarium HeaterPrecise Reliable Temperature ControlEasy to adjust, accurate temperature control from 68-93°FOn / off light indicates when the heater is operating.High quality components. Accurate reliable heating.Heat and shock... more

$16.64

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Interpet Life Thermal Flat Aquarium Heater, 4 gal.

Interpet Life Thermal Flat Aquarium Heater, 4 gal.

15 Watt Flat Aquarium HeaterEasy to hide1. Hang over the side of the aquarium, attach using the suction cup.2. Tuck away in the rear filtration area, attach using the suction cup.3. Bury in the substrate.Constant heat outputLife Thermal Flat Aquarium... more

$10.88

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Fluval M50 Submersible Glass Aquarium Heater (50 watts), Blue

Fluval M50 Submersible Glass Aquarium Heater (50 watts), Blue

The Fluval M 50 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 M... more

$23.98

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Ista 900W Temperature Controller 900 Watt Heater Heating Thermostat Aquarium Fish Tank, Green

Ista 900W Temperature Controller 900 Watt Heater Heating Thermostat Aquarium Fish Tank, Green

ISTA 900W Temperature Controller 900 Watt Heater Heating Thermostat Aquarium Fish Tank This Digital Temperature Controller is an excellent and convenient multifunction device for measuring and controlling temperature in Aquariums. The stability of... more

$57.19

FREE shipping

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Ista 350W Temperature Controller 350 Watt Heater Heating Thermostat Aquarium Fish Tank

Ista 350W Temperature Controller 350 Watt Heater Heating Thermostat Aquarium Fish Tank

State of the art electronic thermostat and split type.More safe and convenient: explosion proof of tubular heater will not happen during the process of water replacement.For the safety, when the heater leaves water surface that heating process will be... more

$49.98

FREE shipping

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Elite Radiant Mini Aquarium Heater - A730

Elite Radiant Mini Aquarium Heater - A730

25 & 50-watt aquarium heaters Maintains accurate aquarium temperature Pilot on/off switch Suitable for aquariums up to 5-10 gallons depending on wattage 25 Watts (6" Long) more

$7.97

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Fluval Electronic Heater and Water Change Package for Aquariums up to 30 gallons, Blue

Fluval Electronic Heater and Water Change Package for Aquariums up to 30 gallons, Blue

Fluval Electronic Heater and Water Change Package for Aquariums up to 30 gallons This Electronic Heater Kit offers a 100 Watt Fluval Tronic Submersible Electronic Heater with a technologically advanced operation system that delivers accurate,... more

$84.70

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Interpet Life Thermal Submersible Aquarium Heater, 10 gal.

Interpet Life Thermal Submersible Aquarium Heater, 10 gal.

50 Watt Submersible Aquarium Heater Precise Reliable Temperature Control Easy to adjust, accurate temperature control from 68-93??F On / off light indicates when the heater is operating. High quality components. Accurate reliable heating. Heat and... more

$16.64

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Interpet Life Thermal Flat Aquarium Heater, 4 gal.

Interpet Life Thermal Flat Aquarium Heater, 4 gal.

15 Watt Flat Aquarium Heater Easy to hide 1. Hang over the side of the aquarium, attach using the suction cup. 2. Tuck away in the rear filtration area, attach using the suction cup. 3. Bury in the substrate. Constant heat output Life Thermal Flat... more

$10.88

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