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Oase Heatup Adjustable Heater Submersible Fish Tank Heater - 150 Watt
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Underwater Treasures Easy Read Thermometer
$6.77 $8.12
The Underwater Treasures Easy Read Thermometer is designed for use inside your aquarium. Simply position the Thermometer in your aquarium using the suction cup included. This battery operated thermometer is compact and fully submersible. It provides constant, accurate readings to ±1°F, and has a solid plastic casing to help prevent breakage.

Aqueon Preset Aquarium Heater - Black - Up To 20 gal - 50 W
$10.97 $13.16
Aqueon Preset Aquarium Heaters require no adjusting! The preset temperature has been calibrated to 78°, appropriate for most tropical fish. It is fully submersible, constructed of shatter-resistant quartz glass and features an automatic safety shut-off to avoid overheating. The heaters include suction cups and can be placed vertically or horizon...
Tetra HT10 Submersible Aquarium Heater Submersible Fish Tank Heater - 50 Watt - 2 - 10 Ga

Tetra HT10 Submersible Aquarium Heater Submersible Fish Tank Heater - 50 Watt - 2 - 10 Ga
$16.49 $19.79
• 50 watt submersible heater for tanks 2 to 10 gallons • The electronic thermostat automatically adjusts heat outputs to keep the water at a constant 78 f. INGREDIENTS: Glass Electrical Heat Element

Seapora Mini Desktop Heater - 30 W
$11.97 $14.36
Seapora Mini Desktop Heater - 30 W

Ista Mini Thermometer
$2.81 $3.37
This Mini Thermometer by Ista is the perfect device to use in nano or small aquariums, or to spot checking temperature when required. With the included suction cup you can easily affix it to any glass or acrylic surface, anywhere in your aquarium where it can be viewed easily for your convenience. This thermometer is a mere 3-inches in length an...

Coralife Digital Thermometer - 3 Foot
$8.32 $9.99
The Coralife Digital Thermometer features an easy to read digital display with temperature in either Fahrenheit or Celsius depending on your choice. Attaches to aquarium via small suction cup, Battery included, and a 3 foot long temperature probe for large size aquariums.

Aqueon Submersible Aquatic Flat Heater - 15 W
$10.91 $13.09
Aquatic 15 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums 4 gallons to 10 gallons. They are completely submersible, easy to install and efficiently warm aquarium water. Suctions cups are included so you can mount the heater to the bottom or side wall of the aquarium. Be sure to ch...

Aqueon Mini Aquarium Heater - Up To 5 gal - 10 W
$13.54 $16.24
Aqueon Mini Heater provides warmth to tropical fish. Designed with a shatterproof housing and thermal safety shut-off, this compact and completely submersible mini heater is perfect for desktop aquariums with a minimum size of 2.5 gallons and up to 5 gallons. This heater is also able to be used in both acrylic and glass aquariums. It can be inst...

Aqueon Flat Submersible Heater - 7.5 W
$9.14 $10.97
Aquatic 7.5 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums 1 gallon to 3 gallons. They are completely submersible, easy to install and efficiently warm aquarium water. Suctions cups are included so you can mount the heater to the bottom or side wall of the aquarium. Be sure to cho...

Aqueon Submersible Aquatic Flat Heater Mini - Black - Up To 2.5 gal - 5 W
$8.20 $9.84
Aquatic 5 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums up to 2.5 gallons. They are completely submersible, easy to install and efficiently warm aquarium water. Suctions cups are included so you can mount the heater to the bottom or side wall of the aquarium. Be sure to choose th...

Aqueon Submersible Aquarium Heater - Up To 20 gal - 50 W
$29.95 $35.94
Aqueon Submersible Aquarium Heaters are made from thermal shatter-resistant quartz glass and designed to absorb impacts, making them extremely durable. An electronic thermostat stops heating once set temperature is reached. A power indicator light turns on when the unit is heating and is equipped with a 6-foot power cord. UL approved, the heater...

Aqueon Submersible Aquarium Heater - Up To 40 gal - 100 W
$31.95 $38.34
Aqueon Submersible Aquarium Heaters are made from thermal shatter-resistant quartz glass and designed to absorb impacts, making them extremely durable. An electronic thermostat stops heating once set temperature is reached. A power indicator light turns on when the unit is heating and is equipped with a 6-foot power cord. UL approved, the heater...