25Watts Small Aquarium Betta Heater for 1-6 Gallon Fish tanks
- This Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank.
- Vertical or horizontal placement using, Aquarium heater automatic temperature control 78℉, no need to adjust temperature, easy to operate.
- Plug in, red light turns on, the heater will start working until water temperature up to 78°F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78°F. Accuracy：±3°F
- Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. It is better to install a water pump to help water circulating while heating.