Hydor Slim Heater for Micro Tanks & Mini Aquariums 7.5 Watt - 2-5 Gallons

Hydor Slim Heater for Micro Tanks & Mini Aquariums 7.5 Watt - 2-5 Gallons

Hydor Slim Heater for Micro Tanks & Mini Aquariums 7.5 Watt - 2-5 Gallons more

$15.45

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Hydor Slim Heater 7.5W (Mfg# T20201)

Hydor Slim Heater 7.5W (Mfg# T20201)

Easily warm your miniature aquarium to a comfortable, hospitable temperature that helps keep your fish thriving! Fully submersible Hydor Slim Aquarium Heater feature plug-and-go design, shock-proof construction, and a sleek shape that blends in with... more

$9.99 $7.99

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(275,000+)
Hydor USA Eth In-Line Heater, 300 watt

Hydor USA Eth In-Line Heater, 300 watt

Features: First and unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology The self-limiting PTC heating element guarantees maximum safety against any risk of overheating The exclusive technology and the... more

$63.33

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Hydor Slim Heater 15W (Mfg# T203201)

Hydor Slim Heater 15W (Mfg# T203201)

Easily warm your miniature aquarium to a comfortable, hospitable temperature that helps keep your fish thriving! Fully submersible Hydor Slim Aquarium Heater feature plug-and-go design, shock-proof construction, and a sleek shape that blends in with... more

$10.99 $8.79

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(275,000+)
Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8 flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$58.24

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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

$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. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8 flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$58.24

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Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8" flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$47.95

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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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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 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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Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8" flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$47.95

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ETH In-Line Heater 200 watt, 5/8"

ETH In-Line Heater 200 watt, 5/8"

Prevents temperature variations caused by poor water circulation Precise, accurate temperature setting Indicator light shows when unit is "ON" Double insulated and double sealed The first compact aquarium heater that operates externally, saving... more

$52.99 $42.39

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(275,000+)
In Line Heater Eth 300W 53-80G

In Line Heater Eth 300W 53-80G

Easy to connect to any canister filter, the ETH External In-Line Heater is suitable for both freshwater and marine aquariums. Installs vertically on the return line of a canister filter or sump, allowing for better heat distribution as water returns to... more

$50.99

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Hydor ETH External Thermal Heater - In Line Heater ETH 300 - 300 Watt - (5/8" ID - 53-80 Gallon Tanks)

Hydor ETH External Thermal Heater - In Line Heater ETH 300 - 300 Watt - (5/8" ID - 53-80 Gallon Tanks)

Hydor ETH External Thermal Heater - In Line Heater ETH 300 - 300 Watt - (5/8" ID - 53-80 Gallon Tanks) more

$57.52

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Hydor 7.5w Slim Heater for Bettas and Bowls, 2 to 5 gal

Hydor 7.5w Slim Heater for Bettas and Bowls, 2 to 5 gal

Hydor 7-1/2-watt Slim Heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative PTC (Positive Thermal Coefficient) element to heat the temperature of your aquarium or terrarium an... more

$8.09

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Koralia Slim Skim Protein Skimmer

Koralia Slim Skim Protein Skimmer

The SlimSkim is a specially designed internal skimmer for nano and mini-reef aquariums. The SlimSkim's unique intake design will draw from the water's surface, reducing disgusting surface bio-slicks. Once inside, the energy-efficient venturi air pump... more

$112.99

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Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

Hydor Usa Inc. Eth300 300 Watt External In - Line Heater For 5/8" Hose Hy00019

300W in-line aquarium heater suitable for all canister filters with 5/8" flexible hosing. No danger of damage if unit is run dry for short period as the ETH will switch itself off before overheating. Heats with high efficiency and designed to avoid... more

$58.24

FREE shipping

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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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In Line Heater Eth 300W 53-80G Hydor Usa, Inc.

In Line Heater Eth 300W 53-80G Hydor Usa, Inc.

Easy to connect to any canister filter, the ETH External In-Line Heater is suitable for both freshwater and marine aquariums. Installs vertically on the return line of a canister filter or sump, allowing for better heat distribution as water returns to... more

$52.36

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Hydor Slim Skim Internal Protein Skimmer

Hydor Slim Skim Internal Protein Skimmer

The Hydor Slim Skim is the perfect protein skimmer for your nano or mini reef aquarium. This powerful in-tanks skimmer saves you both time and money; all while giving you the cleaning power you need. The small footprint saves space and does not take up... more

$129.95

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Hydor Nano Skim Internal Protein Skimmer

Hydor Nano Skim Internal Protein Skimmer

The Hydor Nano Skim is the perfect protein skimmer for your nano or mini reef aquarium. This powerful in-tanks skimmer saves you both time and money; all while giving you the cleaning power you need. The small footprint saves space and does not take up... more

$99.95

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Slim Heater for Mini Aquariums - 5 to 10 gal. - 15W

Slim Heater for Mini Aquariums - 5 to 10 gal. - 15W

A 15 watt Slim Heater is ideal for your mini or micro tropical aquarium 5 to 10 gallons in size. Shock proof heater is uniquely shaped to fit easily into a variety of tanks; above or below the substrate. Perfect for glass; acrylic; or plastic... more

$18.99

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Hydor Mini Heater 7.5 Watt

Hydor Mini Heater 7.5 Watt

Hydor 7.5 Watt Mini Heater For Tanks 2.5 - 5 GallonsMINI HEATER helps increase by a few degrees Fahrenheit/Celsius the ambient water temperature of mini aquariums compared to the room temperature where they are positioned. They are fully submersible... more

$12.99

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Hydor Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 - Aquariu

Hydor Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 - Aquariu

Hydor Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

$25.60

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Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 - Aquari

Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 - Aquari

Hydor Hydor Submersible Aquarium Heater: 25 Watt - 6.9 Long - (2 - 7 Gallons) #T11702 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

$17.99

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Hydor Hydor Submersible Aquarium Heater: 100 Watt - 8.9 Long - (14 - 26 Gallons) #T11202 - Aqu

Hydor Hydor Submersible Aquarium Heater: 100 Watt - 8.9 Long - (14 - 26 Gallons) #T11202 - Aqu

Hydor Hydor Submersible Aquarium Heater: 100 Watt - 8.9 Long - (14 - 26 Gallons) #T11202 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no... more

$20.31

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"Hydor Usa Inc-Mini Aquarium Heater 15 Watt"

"Hydor Usa Inc-Mini Aquarium Heater 15 Watt"

"MINI AQUARIUM HEATERHelps to increase water temperature of mini aquariums by a few degrees, compared to room temperature.For 5-10 gallon aquariums.UPC : 841421004747Size : 15 WATTLength : 2Width : 3.25Height : 8.25Product Type : Aquatics - Heaters /... more

$9.99

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Hydor THEO UL Heater

Hydor THEO UL Heater

Hydor THEO UL Heater THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. 220/240V... more

$26.29

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"Hydor Theo Heater 400 Watt for 80-105 Gallons (24/Cs)"

"Hydor Theo Heater 400 Watt for 80-105 Gallons (24/Cs)"

"Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product. " more

$31.96

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"Hydor Theo Heater 300 Watt for 53-80 Gallons (24/Cs)"

"Hydor Theo Heater 300 Watt for 53-80 Gallons (24/Cs)"

"Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product. " more

$29.56

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Hydor Theo Heater 200 watt

Hydor Theo Heater 200 watt

* Patented heating element automatically turns off if water level declines * Easy temperature adjustment - knob clicks at every degree change * Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof... more

$26.99

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Hydor ETH 200 Watt Submersible Heater

Hydor ETH 200 Watt Submersible Heater

Hydor ETH 200 watt Submersible Heater The handy Hydor ETH Submersible Heater has a self limiting PTC heating element that ensures that the heater will not overheat. This helps in extending the life of the heater. It's easy to use and has a high... more

$75.24 $50.96

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"Hydor Usa Inc-Theo Shatterproof Heater- Clear 150 Watt"

"Hydor Usa Inc-Theo Shatterproof Heater- Clear 150 Watt"

"THEO SHATTERPROOF HEATERMade for aquariums up to 40 gal completely submersible, safe and shatterproof.Temperature controlled and maintained by a highly precise micro-switch, ptc element.Can be used positioned inside some hydor filters.UPC :... more

$34.99

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Hydor Theo Heater 100 watt

Hydor Theo Heater 100 watt

* Patented heating element automatically turns off if water level declines * Easy temperature adjustment - knob clicks at every degree change * Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof... more

$22.00

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Hydor 200W Theo Aquarium Heater

Hydor 200W Theo Aquarium Heater

Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product.... more

$43.53

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Hydor Theo Aquarium Heater (25 watts)

Hydor Theo Aquarium Heater (25 watts)

$20.99

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Hydor THEO UL Heater

Hydor THEO UL Heater

Hydor THEO UL Heater THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. 220/240V... more

$18.99

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Hydor 400W Theo Aquarium Heater

Hydor 400W Theo Aquarium Heater

Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product.... more

$48.85

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