Tetra Submersible Aquarium Tank Heater, 10-30 Gallon, 100 Watts

Tetra Submersible Aquarium Tank Heater, 10-30 Gallon, 100-Watt Tetra is a name you can trust in the aquatics industry. With decades of proven performance and high quality products it's no wonder Tetra is the go to brand for aquatics beginners and veterans alike. All Tetra Submersible Heaters have a green and red indicator light that lets you know when the heater is heating, in red, or on standby, in green. The low voltages thermostat maintains water at 78 degrees Fahrenheit without any manual adjustment required. It is important to purchase a correctly sized heater for your tank. This heater is effective for tanks up to fifteen gallons. It is also crucial to ensure your tank is equipped with a hood or glass canopy to contain the heat inside of your aquarium. All Tetra Brand Submersible Heaters will automatically shut off if an electrical short is detected, which maintains not only your safety but the safety of your fish.