Tetra HT Submersible Aquarium Heater for 2-10 Gallon Tanks

The Tetra® HT Submersible Heater is designed to keep your aquatic fish comfortable, with an electronic thermostat that automatically maintains a consistent water temperature of 78 degrees and prevents overheating, extending heater life. Inside, silicon carbide crystals improve heat distribution and transfer, while the strong glass tube is heat and shock resistant. This submersible heater is easy to use – just attach it to the inside of the aquarium wall using the suction cup (included) in an area with good water circulation.

The Tetra HT Submersible Heater is available in different wattages to fit your aquarium: the 50-watt HT10 is for 2 to 10 gallon aquariums; the 100-watt HT30 is for 10 to 30 gallons; the 150-watt HT40 is for 30 to 40 gallons; and the 200-watt HT55 is for 40 to 55 gallons. This heater is UL Listed.

An indicator light lets you know when the water is heating (red light) and when it reaches the proper temperature (green light). All Tetra HT heaters have these indicator lights to let you know when the heater is on. Additionally, all Tetra HT Heaters will shut off if an electrical short is detected for your safety.

The HT10 uses a built-in electronic thermostat to automatically maintain the water at 78°F, which is ideal for most tropical fish. No adjustment is required. The HT heater is fully submersible and can be installed vertically or horizontally, with a small footprint that makes it easy to conceal behind plants or other décor.

Since 1951, Tetra has developed the world's most comprehensive body of fish food knowledge, and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need – from a large variety of quality fish food and innovative equipment to test kits and decor.

It is important to read all label information upon delivery and to not plug the heater into an electrical outlet until it is placed inside the aquarium.

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