Betta Therm Heater

Betta Therm Heater

Your betta lives the best in warm water and the Bettatherm Betta Bowl Heater keeps your betta bowl 5-10 degrees warmer than your room temperature. Fully submersible design is round and fits most glass or acrylic bowls. more

$13.99

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Cobalt International Electric Neo-Therm Submersible Aquarium Heater, 50 Watt, Black

Cobalt International Electric Neo-Therm Submersible Aquarium Heater, 50 Watt, Black

Founded in April 2011, Cobalt Aquatics produces a wide range of aquarium items, from fish food to eletrical equipment. Cobalt Aquatics Neo-Therm Heater keeps your aquarium between 66°F and 96°F. For safety, thermal protection circuitry shuts the heater... more

$35.37

FREE shipping

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Cobalt Aquatics Accu-Therm Heater 150W (mfg# 31014)

Cobalt Aquatics Accu-Therm Heater 150W (mfg# 31014)

Fully submersible, European-made heater boasts premium features, simple operation and hobby-friendly price. Cobalt Aquatics Accu-Therm Heater is computer-tested accurate within +/-2°F. triac-equipped heater turns on and off at a lower voltage to extend... more

$30.50

FREE shipping

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(275,000+)
Cobalt Aquatics Neo-Therm Heater, 300-watt

Cobalt Aquatics Neo-Therm Heater, 300-watt

The Neo-Therm submersible aquarium heater features a double heater element design, with a master unit that contains all of the electronics and a second paired unit that contains a matching heating element. more

$112.17

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Cobalt Aquatics Neo-Therm Heater, 25 watt

Cobalt Aquatics Neo-Therm Heater, 25 watt

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 ±0.5ºF and includes a LED that displays both the Set... more

$39.73

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Mini-Therm Plastic 20

Mini-Therm Plastic 20

The all new Cobalt Aquatics MINI-Therm compact and fully submersible heaters feature a constant ON design, specifically for small aquariums up to 5 gals. The heater casing is made from a thermal-plastic polymer that is shatterproof. An internal ceramic... more

$22.26

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Easy-Therm Submersible Aquarium Heater Black 100 Watt/29 Gal

Easy-Therm Submersible Aquarium Heater Black 100 Watt/29 Gal

Easy to see led indicator lights Includes double sided mounting brackets with suction cups Super flat modern design Size: 100 Watt/29 Gallon. Color: Black. more

$49.47

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Accu-Therm Submersible Aquarium Heater Black 100 Watt/29 Gal

Accu-Therm Submersible Aquarium Heater Black 100 Watt/29 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

$30.37

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Cobalt Aquatics Easy-Therm Submersible Aquarium Heater 25W

Cobalt Aquatics Easy-Therm Submersible Aquarium Heater 25W

Durably constructed aquarium heater with super flat design available at a great hobby-friendly price. Cobalt Aquatics Easy-Therm Submersible Aquarium Heater features a shatterproof outer casing and a sleek, low-profile design to ensure reliable,... more

$42.67

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(275,000+)
Cobalt Aquatics Easy-Therm Submersible Aquarium Heater 100W

Cobalt Aquatics Easy-Therm Submersible Aquarium Heater 100W

Durably constructed aquarium heater with super flat design available at a great hobby-friendly price. Cobalt Aquatics Easy-Therm Submersible Aquarium Heater features a shatterproof outer casing and a sleek, low-profile design to ensure reliable,... more

$49.47

FREE shipping

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(275,000+)
Easy Therm 50W Plastic

Easy Therm 50W Plastic

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

$44.56

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Accu-Therm Glass 300

Accu-Therm Glass 300

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

$36.12

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Accu-Therm Glass 50

Accu-Therm Glass 50

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

$29.99

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Visi-Therm Deluxe Submersible Heater - 200W - Up to 55 gal.

Visi-Therm Deluxe Submersible Heater - 200W - Up to 55 gal.

Marineland's Visi-Therm Deluxe Heater is reliable and accurate. It maintains a temperature within one degree over or under the set temperature. The temperature is easy to set and it lets you know with a ''click'' sound for every adjustment. The... more

$28.99

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Visi-Therm Deluxe Submersible Heater - 75W - Up to 20 gal.

Visi-Therm Deluxe Submersible Heater - 75W - Up to 20 gal.

Marineland's Visi-Therm Deluxe Heater is reliable and accurate. It maintains a temperature within one degree of the set temperature. The temperature is easy to set and it lets you know with a ''click'' sound for every adjustment. The Visi-Therm Deluxe... more

$24.99

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Visi-Therm Deluxe Submersible Heater - 100W - Up to 29 gal.

Visi-Therm Deluxe Submersible Heater - 100W - Up to 29 gal.

Marineland's Visi-Therm Deluxe Heater is reliable and accurate. It maintains a temperature within one degree of the set temperature. The temperature is easy to set and it lets you know with a ''click'' sound for every adjustment. The Visi-Therm Deluxe... more

$24.99

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Easy Therm 50W Plastic

Easy Therm 50W Plastic

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

$44.56

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Aquatics Marineland Visi-Therm ML90654 Submersible Aquarium Heater, 300 watt

Aquatics Marineland Visi-Therm ML90654 Submersible Aquarium Heater, 300 watt

Features: More reliable temperature reading (accurate) Easy to adjust temperature dial Replaces current Visi-Therm heater once available Maintains precise aquarium temperatures to within 1 deg F accuracy Thermal safety switch turns off automatically to... more

$43.63 $22.69

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Cobalt Aquatics Mini-Therm Heater, 20 watt

Cobalt Aquatics Mini-Therm Heater, 20 watt

Cobalt Aquatics Mini-Therm Heaters are compact size, fully submersible and perfect for small aquariums. Made in Europe. 3yr warranty. more

$16.20

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Cobalt Aquatics Accu-Therm Heater, 25-watt, Fully submersible By Cobalt International

Cobalt Aquatics Accu-Therm Heater, 25-watt, Fully submersible By Cobalt International

Triac equipped thermostat turns heater on and off at lower voltage to extend life3 year warranty.Fully submersible more

$27.29

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Mini-Therm Heater, 10 watt, Fully Submersible By Cobalt Aquatics

Mini-Therm Heater, 10 watt, Fully Submersible By Cobalt Aquatics

Compact for small aquariumFully SubmersibleRound DesignShatterproof Design more

$17.89

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Aquarium Systems Visi-Therm Heater Holder #VT000 - Aquarium Heater Parts

Aquarium Systems Visi-Therm Heater Holder #VT000 - Aquarium Heater Parts

Aquarium Systems Visi-Therm Heater Holder #VT000 Aquarium Systems Visi-Therm Heater Replacement Suction Cup & Clip. This kit contains 2 suction cups and 2 clips to mount your Visi-Therm heater securely on the aquarium wall. The black color is... more

$3.80

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"Visi-therm Heater, Size: 75 WATT, UPC# 047431904408, Mfg# ML90440, Free Shipping"

"Visi-therm Heater, Size: 75 WATT, UPC# 047431904408, Mfg# ML90440, Free Shipping"

"Visi-therm Heater Size: 75 WATT Miscellaneous AquariamHigh visibility temp setting with easy-to-view sliding scale tells the exact temperature setting.Click-set temperature dial to accurately set temperature to plus/minus 1 degree fahrenheit with... more

$33.29

FREE shipping

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"Marineland Filtration-Visi-therm Heater 50 Watt"

"Marineland Filtration-Visi-therm Heater 50 Watt"

"VISI-THERM HEATERHigh visibility temp setting with easy-to-view sliding scale tells the exact temperature setting.Click-set temperature dial to accurately set temperature to plus/minus 1 degree fahrenheit with every click.Advanced mounting bracket,... more

$25.99

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"Visi-therm Heater, Size: 100 WATT, UPC# 047431904415, Mfg# ML90441, Free Shipping"

"Visi-therm Heater, Size: 100 WATT, UPC# 047431904415, Mfg# ML90441, Free Shipping"

"Visi-therm Heater Size: 100 WATT Miscellaneous AquariamHigh visibility temp setting with easy-to-view sliding scale tells the exact temperature setting.Click-set temperature dial to accurately set temperature to plus/minus 1 degree fahrenheit with... more

$34.53

FREE shipping

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"Visi-therm Heater, Size: 25 WATT, UPC# 047431904385, Mfg# ML90438, Free Shipping"

"Visi-therm Heater, Size: 25 WATT, UPC# 047431904385, Mfg# ML90438, Free Shipping"

"Visi-therm Heater Size: 25 WATT Miscellaneous AquariamHigh visibility temp setting with easy-to-view sliding scale tells the exact temperature setting.Click-set temperature dial to accurately set temperature to plus/minus 1 degree fahrenheit with... more

$33.58

FREE shipping

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"Marineland Filtration-Visi-therm Heater 150 Watt"

"Marineland Filtration-Visi-therm Heater 150 Watt"

"VISI-THERM HEATERHigh visibility temp setting with easy-to-view sliding scale tells the exact temperature setting.Click-set temperature dial to accurately set temperature to plus/minus 1 degree fahrenheit with every click.Advanced mounting bracket,... more

$28.99

FREE shipping

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"Marineland Filtration-Visi-therm Heater 100 Watt"

"Marineland Filtration-Visi-therm Heater 100 Watt"

"VISI-THERM HEATERHigh visibility temp setting with easy-to-view sliding scale tells the exact temperature setting.Click-set temperature dial to accurately set temperature to plus/minus 1 degree fahrenheit with every click.Advanced mounting bracket,... more

$26.99

FREE shipping

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Visi - therm Heater Holder

Visi - therm Heater Holder

Aquarium Systems - IO VISI-THERM HEATER HOLDER. Visi-Therm Heater Holder Fits all Visi-Therm Heaters Replacement Suction Cup & Clip more

$2.74

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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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Marineland Visi Therm 100 Watt

Marineland Visi Therm 100 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

$18.99

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Marineland Visi Therm 200 Watt

Marineland Visi Therm 200 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

$20.99

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Cobalt Accu Therm Submersible Heater

Cobalt Accu Therm Submersible Heater

Cobalt Accu Therm Submersible Heater The Cobalt Accu Therm Submersible Heater has a tube that is made of Borosilicate glass for optimum heat and is shock resistant. It surrounds a high quality ceramic heat radiator that ensures even heat distribution.... more

$31.99 $23.99

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Cobalt Neo Therm Submersible Heater

Cobalt Neo Therm Submersible Heater

Cobalt Neo Therm Submersible Heater The Cobalt Neo Therm Submersible Heater has a sleek, modern design with a 'one touch' control system. This submersible electronic heater has an advanced thermostat that is accurate within 0.5F. It has an easily... more

$50.49 $37.87

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Cobalt Accu Therm Aquarium Heaters Accu Therm 200

Cobalt Accu Therm Aquarium Heaters Accu Therm 200

Cobalt Accu-Therm Aquarium Heaters are fully submersible, shock resistant fish tank heaters that provide superior heat distribution to both freshwater and saltwater aquariums. It is made of resilient Borosilicate glass surrounding a high quality... more

$31.39 $26.69

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Cobalt Accu Therm Aquarium Heaters Accu Therm 100

Cobalt Accu Therm Aquarium Heaters Accu Therm 100

Cobalt Accu-Therm Aquarium Heaters are fully submersible, shock resistant fish tank heaters that provide superior heat distribution to both freshwater and saltwater aquariums. It is made of resilient Borosilicate glass surrounding a high quality... more

$28.49 $19.79

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Cobalt Accu Therm Aquarium Heaters Accu Therm 75

Cobalt Accu Therm Aquarium Heaters Accu Therm 75

Cobalt Accu-Therm Aquarium Heaters are fully submersible, shock resistant fish tank heaters that provide superior heat distribution to both freshwater and saltwater aquariums. It is made of resilient Borosilicate glass surrounding a high quality... more

$27.29 $24.29

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Accu Therm Heater 250w (glass)

Accu Therm Heater 250w (glass)

Cobalt - Accu Therm Heater 250W. The all new Cobalt Aquatics ACCU-Thern 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... more

$28.88

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Accu Therm Heater 100w (glass)

Accu Therm Heater 100w (glass)

Cobalt - Accu Therm Heater 100W. The all new Cobalt Aquatics ACCU-Thern 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... more

$24.79

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Cobalt Neo Thermal Heater 150 W (Plastic LED)

Cobalt Neo Thermal Heater 150 W (Plastic LED)

Aquarium: Heaters-Submersible The 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 ±0.5ºF and includes a... more

$74.97

FREE shipping

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