GloFish Submersible Fish Heater, 50-watts

The GloFish Submersible Fish Heater is super easy to use and helps to keep your finned friends comfy and healthy. The heater features an electronic thermostat that automatically keeps your aquarium water temperature at 78 degrees, so there’s no need to worry about overheating. An indicator light lets you know when the water is heating and when it’s at the perfect temperature. The heater features a strong, shock-resistant glass tube, and silicon carbide crystals improve heat distribution. The included suction cup makes it easy to attach the heater to the inside of your aquarium wall to keep your fish healthy and happy.