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Best Seller
Submersible Aquarium Heater, 50 Watts

Submersible Aquarium Heater, 50 Watts

The Aqueon Submersible Aquarium Heater is the perfect candidate for the job. ... more

Submersible Aquarium Heater, 50 Watts

The Aqueon Submersible Aquarium Heater is the perfect candidate for the job.

Petco.com

$29.95

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Fresh Fab Finds Submersible Aquarium Heater 100W Adjustable Fish Tank Heater Thermostat Water Heating Rod With 2 Suction Cups For Freshwater Marine Saltwater - Black

Fresh Fab Finds Submersible Aquarium Heater 100W Adjustable Fish Tank Heater Thermostat Water Heating Rod With 2 Suction Cups For Freshwater Marine Saltwater - Black

Unlike humans, fish always rely on the temperature of the water to maintain their body temperature. Therefore, the temperature of your aquarium is an important factor in the comfort and well-being of your fish. This aquarium heater will keep your tank... ... more

Fresh Fab Finds Submersible Aquarium Heater 100W Adjustable Fish Tank Heater Thermostat Water Heating Rod With 2 Suction Cups For Freshwater Marine Saltwater - Black

Unlike humans, fish always rely on the temperature of the water to maintain their body temperature. Therefore, the temperature of your aquarium is an important factor in the comfort and well-being of your fish. This aquarium heater will keep your tank...

Verishop

$49.99 $24.99

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Best Seller
VIVOSUN Submersible Aquarium Heater 300w Titanium Fish Tank Heaters w/ Intelligent Led Temperature Display | 12.8 H x 1 W x 1 D in | Wayfair

VIVOSUN Submersible Aquarium Heater 300w Titanium Fish Tank Heaters w/ Intelligent Led Temperature Display | 12.8 H x 1 W x 1 D in | Wayfair

VIVOSUN submersible aquarium heaters are more efficient, and the heating unit is completely submerged in the water, providing more consistent heating to the aquarium. An intelligent IC chip controls the heater temperature, making the temperature... ... more

VIVOSUN Submersible Aquarium Heater 300w Titanium Fish Tank Heaters w/ Intelligent Led Temperature Display | 12.8 H x 1 W x 1 D in | Wayfair

VIVOSUN submersible aquarium heaters are more efficient, and the heating unit is completely submerged in the water, providing more consistent heating to the aquarium. An intelligent IC chip controls the heater temperature, making the temperature...

Wayfair

$34.55

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Adjustable Quartz Glass Aquarium Heater, 50 Watts, 50 W / 9.05 IN

Adjustable Quartz Glass Aquarium Heater, 50 Watts, 50 W / 9.05 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 50 Watts, 50 W / 9.05 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$26.99

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Adjustable Quartz Glass Aquarium Heater, 300 Watts, 300 W / 15.15 IN

Adjustable Quartz Glass Aquarium Heater, 300 Watts, 300 W / 15.15 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 300 Watts, 300 W / 15.15 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$30.99

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Penn Plax Cascade Heat 50 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Blue/Red | 7.5 H x 1.1 W x 1.1 D in | Wayfair CH850

Penn Plax Cascade Heat 50 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Blue/Red | 7.5 H x 1.1 W x 1.1 D in | Wayfair CH850

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or... ... more

Penn Plax Cascade Heat 50 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Blue/Red | 7.5 H x 1.1 W x 1.1 D in | Wayfair CH850

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or...

Wayfair

$33.89

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Penn Plax Mini 10 Watt Aquarium Heater Acrylic (shatterproof w/ great clarity), Glass in Black | 6.25 H x 3.6 W x 2.25 D in | Wayfair CHP1

Penn Plax Mini 10 Watt Aquarium Heater Acrylic (shatterproof w/ great clarity), Glass in Black | 6.25 H x 3.6 W x 2.25 D in | Wayfair CHP1

This aquarium heater is preset to maintain water at 77 ℉. Although this factory temperature setting cannot be adjusted, it does meet the ideal temperature range for most aquatic environments. This heater is designed for both plastic and glass tanks,... ... more

Penn Plax Mini 10 Watt Aquarium Heater Acrylic (shatterproof w/ great clarity), Glass in Black | 6.25 H x 3.6 W x 2.25 D in | Wayfair CHP1

This aquarium heater is preset to maintain water at 77 ℉. Although this factory temperature setting cannot be adjusted, it does meet the ideal temperature range for most aquatic environments. This heater is designed for both plastic and glass tanks,...

Wayfair

$31.04

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Pro 300 Submersible Aquarium Heater, 300 Watts

Pro 300 Submersible Aquarium Heater, 300 Watts

Over here, we've got the Aqueon Pro 300 Submersible Aquarium Heater - the ultimate gadget for your fishy friends! Get ready to experience precise temperature control like never before with this baby. Here's what makes it so special: ... more

Pro 300 Submersible Aquarium Heater, 300 Watts

Over here, we've got the Aqueon Pro 300 Submersible Aquarium Heater - the ultimate gadget for your fishy friends! Get ready to experience precise temperature control like never before with this baby. Here's what makes it so special:

Petco.com

$54.95

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THEO Shatterproof Aquarium Heater Ideal for 5-14 Gallon Tanks, 7 Inches Long, 50W, .583 LB

THEO Shatterproof Aquarium Heater Ideal for 5-14 Gallon Tanks, 7 Inches Long, 50W, .583 LB

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it... ... more

THEO Shatterproof Aquarium Heater Ideal for 5-14 Gallon Tanks, 7 Inches Long, 50W, .583 LB

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it...

Petco.com

$24.21

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Scuba Contactless Submersible Heater, 50 Watts, 15 GAL

Scuba Contactless Submersible Heater, 50 Watts, 15 GAL

NNOVATIVE heater range equipped with patented "contactless" temperature electronic control. The EASIEST and MOST IMMEDIATE way to set the temperature of the heater. FREE APP to record and precisely set the water temperature as needed. ... more

Scuba Contactless Submersible Heater, 50 Watts, 15 GAL

NNOVATIVE heater range equipped with patented "contactless" temperature electronic control. The EASIEST and MOST IMMEDIATE way to set the temperature of the heater. FREE APP to record and precisely set the water temperature as needed.

Petco.com

$42.99

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Adjustable Quartz Glass Aquarium Heater, 75 Watts, 75 W / 10.44 IN

Adjustable Quartz Glass Aquarium Heater, 75 Watts, 75 W / 10.44 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 75 Watts, 75 W / 10.44 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$27.99

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Adjustable Quartz Glass Aquarium Heater, 25 Watts, 25 W / 9.05 IN

Adjustable Quartz Glass Aquarium Heater, 25 Watts, 25 W / 9.05 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 25 Watts, 25 W / 9.05 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$26.99

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Adjustable Quartz Glass Aquarium Heater, 100 Watts, 100 W / 10.44 IN

Adjustable Quartz Glass Aquarium Heater, 100 Watts, 100 W / 10.44 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 100 Watts, 100 W / 10.44 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$27.99

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Adjustable Quartz Glass Aquarium Heater, 150 Watts, 150 W / 12 IN

Adjustable Quartz Glass Aquarium Heater, 150 Watts, 150 W / 12 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 150 Watts, 150 W / 12 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$28.99

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HT10 Submersible Aquarium Heater, 50 Watts

HT10 Submersible Aquarium Heater, 50 Watts

Tetra HT line of heaters are easy-to-use and work in aquariums ranging from 2 to 55 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to... ... more

HT10 Submersible Aquarium Heater, 50 Watts

Tetra HT line of heaters are easy-to-use and work in aquariums ranging from 2 to 55 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to...

Petco.com

$11.44

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5/8" hose External In-line Aquarium Heater, 200 Watts, 200 W / 4.02 IN

5/8" hose External In-line Aquarium Heater, 200 Watts, 200 W / 4.02 IN

Eth is a heater for aquariums also suitable for sump collection tanks and external filters for vertical positioning only. Accurate thanks to the electronic temperature control, it is specially designed to guarantee high resistance and avoid the risk of... ... more

5/8" hose External In-line Aquarium Heater, 200 Watts, 200 W / 4.02 IN

Eth is a heater for aquariums also suitable for sump collection tanks and external filters for vertical positioning only. Accurate thanks to the electronic temperature control, it is specially designed to guarantee high resistance and avoid the risk of...

Petco.com

$54.70

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1/2" hose External In-line Aquarium Heater, 200 Watts, 1.106 LB

1/2" hose External In-line Aquarium Heater, 200 Watts, 1.106 LB

Eth is a heater for aquariums also suitable for sump collection tanks and external filters for vertical positioning only. Accurate thanks to the electronic temperature control, it is specially designed to guarantee high resistance and avoid the risk of... ... more

1/2" hose External In-line Aquarium Heater, 200 Watts, 1.106 LB

Eth is a heater for aquariums also suitable for sump collection tanks and external filters for vertical positioning only. Accurate thanks to the electronic temperature control, it is specially designed to guarantee high resistance and avoid the risk of...

Petco.com

$77.09

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Pro 50 Submersible Aquarium Heater, 50 W / 8.5 IN

Pro 50 Submersible Aquarium Heater, 50 W / 8.5 IN

The Aqueon Pro 50 Submersible Aquarium Heater is a precise temperature control feature that allows you to set the temperature to within +/- 1 degree F. It has an adjustable temperature range between 68-88 degrees F, making it perfect for all types of... ... more

Pro 50 Submersible Aquarium Heater, 50 W / 8.5 IN

The Aqueon Pro 50 Submersible Aquarium Heater is a precise temperature control feature that allows you to set the temperature to within +/- 1 degree F. It has an adjustable temperature range between 68-88 degrees F, making it perfect for all types of...

Petco.com

$44.95

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Pre Set Quartz Glass Aquarium Heater, 50 Watts, 50 W / 5.11 IN

Pre Set Quartz Glass Aquarium Heater, 50 Watts, 50 W / 5.11 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and... ... more

Pre Set Quartz Glass Aquarium Heater, 50 Watts, 50 W / 5.11 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and...

Petco.com

$16.99

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Preset Aquarium Heater, 50W, 50 W / 5.75 IN

Preset Aquarium Heater, 50W, 50 W / 5.75 IN

An aquarium heater that's so easy to use, you'll feel like a pro! With its preset temperature of 78F, there's no need for any complicated adjustments. Plus, it's built to last with shatter-resistant construction. Safety is also a top priority with... ... more

Preset Aquarium Heater, 50W, 50 W / 5.75 IN

An aquarium heater that's so easy to use, you'll feel like a pro! With its preset temperature of 78F, there's no need for any complicated adjustments. Plus, it's built to last with shatter-resistant construction. Safety is also a top priority with...

Petco.com

$16.00

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Preset Aquarium Heater, 50W, 10 GAL

Preset Aquarium Heater, 50W, 10 GAL

GloFish Submersible Heater is designed to keep your aquatic fish comfortable, with an electronic thermostat that automatically maintains a consistent water temperature of 78 degrees and prevents overheating, extending heater life. An indicator light... ... more

Preset Aquarium Heater, 50W, 10 GAL

GloFish Submersible Heater is designed to keep your aquatic fish comfortable, with an electronic thermostat that automatically maintains a consistent water temperature of 78 degrees and prevents overheating, extending heater life. An indicator light...

Petco.com

$8.38

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Adjustable Quartz Glass Aquarium Heater, 200 Watts, 200 W / 13.19 IN

Adjustable Quartz Glass Aquarium Heater, 200 Watts, 200 W / 13.19 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 200 Watts, 200 W / 13.19 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$29.99

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Adjustable Quartz Glass Aquarium Heater, 250 Watts, 250 W / 14.17 IN

Adjustable Quartz Glass Aquarium Heater, 250 Watts, 250 W / 14.17 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal... ... more

Adjustable Quartz Glass Aquarium Heater, 250 Watts, 250 W / 14.17 IN

Submersible Quartz Adjustable Heater safe for Freshwater and Saltwater tanks. Easy to set thermostat which features LED Power Indicator Light showing operation: Red-Heating and Green-Temperature Set. All Lifegard heaters are UL Listed with Thermal...

Petco.com

$30.99

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THEO Shatterproof Aquarium Heater Ideal for 32-60 Gallon Tanks, 200 Watts, .7625 LB

THEO Shatterproof Aquarium Heater Ideal for 32-60 Gallon Tanks, 200 Watts, .7625 LB

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it... ... more

THEO Shatterproof Aquarium Heater Ideal for 32-60 Gallon Tanks, 200 Watts, .7625 LB

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it...

Petco.com

$41.99

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THEO Shatterproof Aquarium Heater Ideal for 23-40 Gallon Tanks, 12 Inches Long, 150W, .76 LB

THEO Shatterproof Aquarium Heater Ideal for 23-40 Gallon Tanks, 12 Inches Long, 150W, .76 LB

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it... ... more

THEO Shatterproof Aquarium Heater Ideal for 23-40 Gallon Tanks, 12 Inches Long, 150W, .76 LB

Theo is the fully submersible aquarium heater by Hydor, supplied complete with suction cups for both horizontal and vertical positioning. A knob with graduated scale allows you to adjust the thermostat to the desired temperature, maintaining it...

Petco.com

$34.99

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Pre Set Quartz Glass Aquarium Heater, 200 Watts, 200 W / 8.66 IN

Pre Set Quartz Glass Aquarium Heater, 200 Watts, 200 W / 8.66 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and... ... more

Pre Set Quartz Glass Aquarium Heater, 200 Watts, 200 W / 8.66 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and...

Petco.com

$21.99

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Pre Set Quartz Glass Aquarium Heater, 25 Watts, 25 W / 5.11 IN

Pre Set Quartz Glass Aquarium Heater, 25 Watts, 25 W / 5.11 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and... ... more

Pre Set Quartz Glass Aquarium Heater, 25 Watts, 25 W / 5.11 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and...

Petco.com

$16.99

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Pre Set Quartz Glass Aquarium Heater, 100 Watts, 100 W / 5.9 IN

Pre Set Quartz Glass Aquarium Heater, 100 Watts, 100 W / 5.9 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and... ... more

Pre Set Quartz Glass Aquarium Heater, 100 Watts, 100 W / 5.9 IN

Submersible Pre Set Quartz Glass Aquarium Heater safe for Freshwater and Saltwater tanks. Pre Set and Calibrated thermostat to 78 degree with no Temperature adjustment needed. LED Power Indicator Light showing operation: Red-Heating and...

Petco.com

$20.99

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5/8" hose External In-line Aquarium Heater, 300 Watts, 300 W / 2.96 IN

5/8" hose External In-line Aquarium Heater, 300 Watts, 300 W / 2.96 IN

Eth is a heater for aquariums also suitable for sump collection tanks and external filters for vertical positioning only. Accurate thanks to the electronic temperature control, it is specially designed to guarantee high resistance and avoid the risk of... ... more

5/8" hose External In-line Aquarium Heater, 300 Watts, 300 W / 2.96 IN

Eth is a heater for aquariums also suitable for sump collection tanks and external filters for vertical positioning only. Accurate thanks to the electronic temperature control, it is specially designed to guarantee high resistance and avoid the risk of...

Petco.com

$62.37

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Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T20201

Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T20201

Hydor Slim Heaters helps your fish live a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of 5 to... ... more

Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T20201

Hydor Slim Heaters helps your fish live a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of 5 to...

Wayfair

$17.69

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Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T20201

Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T20201

Hydor Slim Heaters helps your fish live a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of 5 to... ... more

Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T20201

Hydor Slim Heaters helps your fish live a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of 5 to...

Wayfair

$17.69

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Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 6.13 H x 3.2 W x 0.99 D in | Wayfair T20301

Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 6.13 H x 3.2 W x 0.99 D in | Wayfair T20301

Hydor Slim Heaters helps your fish live a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of 5 to... ... more

Midwest Homes For Pets Hydor Betta Bowl Slim Fish Tank Heater in Black | 6.13 H x 3.2 W x 0.99 D in | Wayfair T20301

Hydor Slim Heaters helps your fish live a healthy life by promoting the ideal water temperature. Specially designed with the innovative positive thermal coefficient element to heat the temperature of your aquarium or terrarium an average of 5 to...

Wayfair

$19.01

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Mini Flat Heater, 5 Watts

Mini Flat Heater, 5 Watts

This heater is perfect for small tropical fish living in glass or acrylic desktop aquariums that are between 1 and 10 gallons. No need to worry about complicated installation - this little guy is fully submersible and comes with suction cups that allow... ... more

Mini Flat Heater, 5 Watts

This heater is perfect for small tropical fish living in glass or acrylic desktop aquariums that are between 1 and 10 gallons. No need to worry about complicated installation - this little guy is fully submersible and comes with suction cups that allow...

Petco.com

$9.99

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Midwest Homes For Pets Theo Aquarium Heater in Black | 12.21 H x 1.3 W x 1.3 D in | Wayfair T11602

Midwest Homes For Pets Theo Aquarium Heater in Black | 12.21 H x 1.3 W x 1.3 D in | Wayfair T11602

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Aquarium Heater in Black | 12.21 H x 1.3 W x 1.3 D in | Wayfair T11602

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$44.99 $34.99

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Midwest Homes For Pets Theo Aquarium Heater in Black | 16.78 H x 2.01 W x 3.35 D in | Wayfair T11502

Midwest Homes For Pets Theo Aquarium Heater in Black | 16.78 H x 2.01 W x 3.35 D in | Wayfair T11502

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Aquarium Heater in Black | 16.78 H x 2.01 W x 3.35 D in | Wayfair T11502

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$59.99 $36.19

FREE shipping

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Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T11102

Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T11102

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T11102

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$41.99 $28.75

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Midwest Homes For Pets Theo Aquarium Heater in Black | 16.03 H x 2.01 W x 3.04 D in | Wayfair T11402

Midwest Homes For Pets Theo Aquarium Heater in Black | 16.03 H x 2.01 W x 3.04 D in | Wayfair T11402

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Aquarium Heater in Black | 16.03 H x 2.01 W x 3.04 D in | Wayfair T11402

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$57.99 $44.99

FREE shipping

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Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T11102

Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T11102

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 9.53 H x 2.09 W x 4.53 D in | Wayfair T11102

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$41.99 $28.75

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Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 10.01 H x 2.01 W x 3.04 D in | Wayfair T11202

Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 10.01 H x 2.01 W x 3.04 D in | Wayfair T11202

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Shatterproof Aquarium Heater in Black | 10.01 H x 2.01 W x 3.04 D in | Wayfair T11202

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$42.99 $33.21

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Midwest Homes For Pets Theo Aquarium Heater in Black | 9.85 H x 2.01 W x 3.35 D in | Wayfair T11702

Midwest Homes For Pets Theo Aquarium Heater in Black | 9.85 H x 2.01 W x 3.35 D in | Wayfair T11702

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is... ... more

Midwest Homes For Pets Theo Aquarium Heater in Black | 9.85 H x 2.01 W x 3.35 D in | Wayfair T11702

The Theo fish tank heater has all the essential features for the precise and safe maintenance of the water temperature in your aquarium. The exclusive technology and the high quality of components guarantee a long life. The aquarium heater is...

Wayfair

$39.99 $27.44

go to store