Submersible Fish Tank Heater: Keep Your Aquarium At The Perfect Temperature With Our 50W Heater, Ideal For Both Freshwater And Saltwater Environments. Built-In Thermostat: The Heater Features An Accurate Temperature Control System, Keeping Your Water Within ±2°F Of Your Desired Setting For Optimal Living Conditions. Adjustable Temperature: Easily Set And Forget The Temperature, Ranging From 59-95°F, To Suit The Needs Of Your Specific Aquatic Pets. Energy Efficient: Designed To Conserve Power While Maintaining Consistent Water Temperature, Making It Economical And Environmentally Friendly. Durable Construction: Thickened Glass Ensures The Heater Is Resilient To Breakage And Corrosion, Making It A Reliable Addition To Your Aquarium. Picture your aquarium as a vibrant underwater paradise, where every creature thrives. Our Submersible Fish Tank Heater plays a pivotal role in creating that perfect habitat. With its built-in thermostat and adjustable temperature settings, it offers the precision needed to maintain a cozy home for your fish, all while being energy efficient and durable.