Best Seller
'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

$17.40

go to store
Tetra HT Submersible Aquarium Heater HT10 50W (Mfg# 26447)

Tetra HT Submersible Aquarium Heater HT10 50W (Mfg# 26447)

"Easy-to-use submersible heaters automatically maintain aquarium water temperature at 78 degreeF (+/-2 degree). Tetra HT Submersible Aquarium Heaters feature an electronic thermostat that adjusts heat output to maintain constant water temperature.... more

$9.99

go to store
(275,000+)
Best Seller
Tetra HT Submersible Aquarium Heater HT30 100W (Mfg# 26446)

Tetra HT Submersible Aquarium Heater HT30 100W (Mfg# 26446)

"Easy-to-use submersible heaters automatically maintain aquarium water temperature at 78 degreeF (+/-2 degree). Tetra HT Submersible Aquarium Heaters feature an electronic thermostat that adjusts heat output to maintain constant water temperature.... more

$11.99

go to store
(275,000+)
Fluval E Series Heaters 200 watt

Fluval E Series Heaters 200 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

$53.99

FREE shipping

go to store
(275,000+)
Hydor 25W Submersible Glass Aquarium Heater - Original Theo

Hydor 25W 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

$17.84

go to store
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

$34.25

go to store
Tetra 26447 Submersible Aquarium Heater, 50-Watt

Tetra 26447 Submersible Aquarium Heater, 50-Watt

All Tetra HT heaters have red/green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage thermostat maintains water at 78°F without any adjustment required. Be sure purchase the correct heater for your... more

$9.99

go to store
Eheim 6645 Jager 200W Trutemp Submersible Heater

Eheim 6645 Jager 200W Trutemp Submersible Heater

An ultra-modern thermal device using the best available technology. The temperature can be precisely adjusted from C and readjusted if required. The control accuracy is +/- 0.5 degrees F, and the heat is controlled to a constant temperature. more

$44.52

FREE shipping

go to store
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

go to store
Fish & Aquatic Supplies Jager Heater 75W

Fish & Aquatic Supplies Jager Heater 75W

Eheim - Jager Trutemp Aquarium Heater 10. 2. Aquarium: Heaters-Submersible 720/540 completely waterproof submersible heater. Heavy duty 2mm thick shock resistent pyrex tube 2x as thick as most heaters. 64-94 degree range. Easy to adjust thermost more

$24.99

go to store
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

go to store
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

go to store
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

go to store
Aqueon Pro Heater 150 Watt

Aqueon Pro Heater 150 Watt

Pro Heaters are precision calibrated aquarium heaters that are full submersible • Power Monitor light (Green �\" Heating ; Red �\" Aquarium at set temperature) • Shatterproof and Nearly Indestructible • Electronic Thermostat for Safety and Accurate... more

$41.99

go to store
Aqueon Pro Heater 250 Watt

Aqueon Pro Heater 250 Watt

Pro Heaters are precision calibrated aquarium heaters that are full submersible • Power Monitor light (Green �\" Heating ; Red �\" Aquarium at set temperature) • Shatterproof and Nearly Indestructible • Electronic Thermostat for Safety and Accurate... more

$45.99

go to store
50W 100W Aquariums Accessories Durable Submersible Heater Heating Rod for Aquarium Glass Fish Tank Temperature Adjustment

50W 100W Aquariums Accessories Durable Submersible Heater Heating Rod for Aquarium Glass Fish Tank Temperature Adjustment

Features: Easy to use, Safe,Precise. Fully submersible heaters work in any position (horizontal or vertical) to provide optimum aquarium water temperature. Safe and reliable in both fresh and salt water aquariums! Temperature range between 65F and 93F... more

$8.96

FREE shipping

go to store
Aquariums Accessories Durable Submersible Heater Heating Rod for Aquarium Glass Fish Tank Temperature Adjustment

Aquariums Accessories Durable Submersible Heater Heating Rod for Aquarium Glass Fish Tank Temperature Adjustment

Features: Easy to use, Safe,Precise. Fully submersible heaters work in any position (horizontal or vertical) to provide optimum aquarium water temperature. Safe and reliable in both fresh and salt water aquariums! Temperature range between 65F and 93F... more

$8.09

FREE shipping

go to store
Insten 200W Aquarium Heater Submersible Fish Tank Water Adjustable Black

Insten 200W Aquarium Heater Submersible Fish Tank Water Adjustable Black

200W 110-120V Adjustable Aquarium Fish Tank Water Heater Provide a constant warm environment for your tropical fish to stay healthy with this aquarium water heater Color: Black Range of temperature adjustment: 20~34 degrees C Voltage: 110V-120V Power:... more

$36.99 $10.99

FREE shipping

go to store
50W 100W Aquarium Mini Submersible Fish Tank Adjustable Water Heater (Water heater)

50W 100W Aquarium Mini Submersible Fish Tank Adjustable Water Heater (Water heater)

Easy to use, Safe,Precise. Fully submersible heaters work in any position (horizontal or vertical) to provide optimum aquarium water temperature. Safe and reliable in both fresh and salt water aquariums. Temperature range between 65F and 93F. Sensitive... more

$15.19 $12.91

go to store

Overstock.com

(675,000+)
Tetra Pond 100 Watt Submersible Heater - 0861-1220

Tetra Pond 100 Watt Submersible Heater - 0861-1220

Dimensions: 3.5W x 1.63D x 8.25H in.. Plastic and metal construction. Adjustable between 72 degrees and 85 degrees F. Heater indicator light. For aquariums 10 to 30 gallons. This Tetra Pond 100 Watt Submersible Heater is easy to conceal and works in... more

$16.38

go to store
Fish Tank Submersible Water Adjustable Aquarium Heaters, Set of 2

Fish Tank Submersible Water Adjustable Aquarium Heaters, Set of 2

25W 50W 100W 200W 300W Aquarium Heater Fish Tank Submersible Water AdjustableThese Aquarium Glass Submersible Heaters guarantee safe, easy and precise temperature control of your aquarium. They are ideal for keeping your fish happy and comfortable with... more

$14.99

go to store
Aqueon Pro Heater 150 Watt

Aqueon Pro Heater 150 Watt

Pro Heaters are precision calibrated aquarium heaters that are full submersible • Power Monitor light (Green �\" Heating ; Red �\" Aquarium at set temperature) • Shatterproof and Nearly Indestructible • Electronic Thermostat for Safety and Accurate... more

$45.99

go to store
Aqueon Pro Heater 250 Watt

Aqueon Pro Heater 250 Watt

Pro Heaters are precision calibrated aquarium heaters that are full submersible • Power Monitor light (Green �\" Heating ; Red �\" Aquarium at set temperature) • Shatterproof and Nearly Indestructible • Electronic Thermostat for Safety and Accurate... more

$50.99

go to store
Aqueon Pro Heater 200 Watt

Aqueon Pro Heater 200 Watt

Pro Heaters are precision calibrated aquarium heaters that are full submersible • Power Monitor light (Green �\" Heating ; Red �\" Aquarium at set temperature) • Shatterproof and Nearly Indestructible • Electronic Thermostat for Safety and Accurate... more

$48.99

go to store
Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12"Part #: AHY00036Item Name: Theo... more

$25.95

go to store
Submersible Heater 50 Watts

Submersible Heater 50 Watts

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

$35.28

go to store

Peazz

(100+)
Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

300W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 53-80 gallons.Length - 15.5 Part #: AHY00037Item Name: Theo... more

$34.61

go to store

Peazz

(100+)
Submersible Heater 200 Watts

Submersible Heater 200 Watts

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

$37.99

go to store
Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

300W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 53-80 gallons.Length - 15.5"Part #: AHY00037Item Name: Theo... more

$25.95

go to store
Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

50W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. Extremely compact at 7 . For aquariums 5-14 gallons.Length - 7 Part #:... more

$33.36

go to store
Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

50W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. Extremely compact at 7 . For aquariums 5-14 gallons.Length - 7 Part #:... more

$33.36

go to store

Peazz

(100+)
Submersible Heater 50 Watts

Submersible Heater 50 Watts

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

$35.28

go to store
Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

300W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 53-80 gallons.Length - 15.5"Part #: AHY00037Item Name: Theo... more

$25.95

go to store
Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

300W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 53-80 gallons.Length - 15.5 Part #: AHY00037Item Name: Theo... more

$34.61

go to store
Tetra Pond 100 Watt Submersible Heater - 0861-1220

Tetra Pond 100 Watt Submersible Heater - 0861-1220

Dimensions: 3.5W x 1.63D x 8.25H in.. Plastic and metal construction. Adjustable between 72 degrees and 85 degrees F. Heater indicator light. For aquariums 10 to 30 gallons. This Tetra Pond 100 Watt Submersible Heater is easy to conceal and works in... more

$22.13 $16.38

go to store
Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

50W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. Extremely compact at 7 . For aquariums 5-14 gallons.Length - 7 Part #:... more

$33.36

go to store
Submersible Heater 50 Watts

Submersible Heater 50 Watts

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

$26.76

go to store
Submersible Heater 200 Watts

Submersible Heater 200 Watts

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

$37.99

go to store
Hydor Usa Inc. Theo 100 Watt Submersible Shatterproof Heater 8.9" Hy00035

Hydor Usa Inc. Theo 100 Watt Submersible Shatterproof Heater 8.9" Hy00035

100W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. Extremely compact at 8.9 . For aquariums 14-26 gallons.Length - 8.9 Part... more

$33.36

go to store
Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

Hydor Usa Inc. Theo 300 Watt Submersible Shatterproof Heater 15.5" Hy00037

300W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 53-80 gallons.Length - 15.5 Part #: AHY00037Item Name: Theo... more

$34.61

go to store

More information about Fish Supplies

Best prices on Odyssea submersible heater in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.