Tetra HT10 Submersible Aquarium Heater 50W 2-10 gal

The Tetra Aquarium Heater HT10 is a compact and reliable submersible device, carefully designed for aquariums ranging from 2 to 10 gallons. Its built-in electronic thermostat automatically regulates water temperature, maintaining a consistent and stable environment for your fish. By preventing sudden fluctuations, it helps support healthy metabolism and reduces stress for tropical fish. A visible indicator light lets you know when the heater is actively warming the tank, giving you reassurance that the water is being maintained at the right level. 

For added safety, the unit features an automatic shut-off mechanism that activates in case of overheating or electrical issues, protecting both your aquarium and its inhabitants. Because it is fully submersible, the heater distributes warmth evenly throughout the tank, ensuring no cold spots remain. This makes it an excellent choice for beginners and experienced aquarists alike. Whether you’re caring for bettas, guppies, or other tropical species, this heater is a dependable alternative to an aquarium fish heater.

• Do not use it if the heater or cord is damaged.
• Avoid using extension cords; use only properly rated cords if necessary.
• Do not plug/unplug the heater with wet hands or if the outlet is wet.
• Keep the heater submerged at all times during operation.
• Keep out of reach of children and supervise when near water or electrical appliances.

• Fully submerge the heater in the aquarium water before plugging it in.
• Position the heater near a water flow area for even heat distribution.
• Allow the heater to acclimate in the water for 30 minutes before turning it on.
• Unplug the heater and let it cool for 15 minutes before removing it from the water.
• Regularly check for any signs of damage or malfunction and replace as needed.