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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

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(275,000+)
'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

$18.99

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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

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(275,000+)
"Cobalt Aquatics Neo-Therm Heater 200W, 10-7/8"" long (Mfg# 31006)"

"Cobalt Aquatics Neo-Therm Heater 200W, 10-7/8"" long (Mfg# 31006)"

"Flat, narrow design provides sleek, subtle aquarium heating. Within the stylish exterior of the Cobalt Aquatics Neo-Therm Heater lies a sophisticated electronic microprocessor thermostat to ensure aquarium temperatures accurate within +/-0.5°F.... more

$80.38

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(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

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Aqueon 158867 13 gal Widescreen LED Aquarium Kit, As Shown

Aqueon 158867 13 gal Widescreen LED Aquarium Kit, As Shown

Features Led widescreen aquarium kit features a uniquely designed low-profile hood with built-in led modules Wider and sleeker than traditional smaller aquariums Low profile full hood with led lighting Quietflow power filtration Submersible heater... more

$95.75

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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

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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

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Insten 200W Adjustable Aquarium Fish Tank Water Heater 110-120V, Multicolor

Insten 200W Adjustable Aquarium Fish Tank Water Heater 110-120V, Multicolor

Package Includes 200W 110-120V Adjustable Aquarium Fish Tank Water Heater x 1 Item Description 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... more

$9.97

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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

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Aquatop UVE-13 Submersible UV Sterilizer with Pump - 13W

Aquatop UVE-13 Submersible UV Sterilizer with Pump - 13W

The UVE-13 is a hassle free submersible ultraviolet sterilizer that is ideal for fresh or salt water aquariums. The all-in-one ultraviolet sterilizer and powerhead combination eliminates the need for complex plumbing parts. The compact design fits... more

$85.99

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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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Fluval Edge Compact Aquarium Heater (25 w)

Fluval Edge Compact Aquarium Heater (25 w)

The Fluval 25 watt compact aquarium heater is an automatic, submersible heater for use in indoor aquariums. Without any adjustments needed, it is designed to reach and maintain the set temperature of 26C (78F). The exterior is made of a tough polymer... more

$44.99 $24.89

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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

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Insten Black 100W 110-120V Adjustable Aquarium Fish Tank Water Heater (200W)

Insten Black 100W 110-120V Adjustable Aquarium Fish Tank Water Heater (200W)

This is an Insten aquarium fish tank water heater. Provide a constant warm environment for your tropical fish to stay healthy with this aquarium water heater. Make your fish happy with this adjustable aquarium fish-tank water heater. The fully... more

$11.69

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Overstock.com

(675,000+)
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

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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

$43.99

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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

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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

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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

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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

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Overstock.com

(675,000+)
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

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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

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MULTI STAGE SUBMERSIBLE UV FILTER

MULTI STAGE SUBMERSIBLE UV FILTER

For aquariums up to 125 gallonsBuilt-in 13 watt uv sterilizerPrevents algae growth and controls free floating parasites and disease causing pathogens2 large replaceable dual stage filter cartridgesSuitable for fresh and saltwater use more

$127.05

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Aqueon Submersible Aquarium Heater - 200W - Up to 75 gal.

Aqueon Submersible Aquarium Heater - 200W - Up to 75 gal.

The Aqueon submersible aquarium heater is renowned for its accuracy; durability and reliability. This easy-to-use aquarium heater is designed from thermal shatter-resistant glass and absorbs impacts. Each Aqueon submersible aquarium heater includes a... more

$34.99

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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

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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

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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

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Aquatop Submersible Heater - 200W - 12.5 in. - Up to 50 gal.

Aquatop Submersible Heater - 200W - 12.5 in. - Up to 50 gal.

Aquatop's Submersible Heaters are compact; durable and ideal for keeping temperature in any tropical fresh or salt water aquarium. Made with high quality insulated glass and advanced heating elements. The heater comes with suction cup brackets for easy... more

$18.99

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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

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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

$34.61

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Peazz

(100+)
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

$34.61

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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

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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

$34.61

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Tetra Second Nature Submersible Heater - 0861-3002

Tetra Second Nature Submersible Heater - 0861-3002

Thermostat automatically maintains aquarium temperature. Easy to conceal aquarium heater. Perfect for smaller aquariums. Requires no adjustments. Thermostat maintains the water temperature at 78-degree F. Reduces the risk of overheating. Made of heat... more

$19.27 $14.82

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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

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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

$25.95

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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

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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

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Peazz

(100+)
Hydor Usa Inc. Theo 400 Watt Submersible Shatterproof Heater 15.5" Hy00320

Hydor Usa Inc. Theo 400 Watt Submersible Shatterproof Heater 15.5" Hy00320

400W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 80-105 gallons.Length - 15.5"Part #: AHY00320Item Name: Theo... more

$29.95

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