Aquatop Submersible Aquarium Heaters

Maintain constant and stable temperatures for your aquatic creatures to thrive with AquaTop aquarium heaters. This analog glass heater offers simple and easy installation with the use of the included suction cups. With the highly visible temperature setting, AquaTop heaters are easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob. These powerful aquarium heaters also has double insulation and is made from high quality insulated glass. Easy to use temperature setting Adjustable temperature with over-wind protection Suitable for fresh and saltwater use. 50 Watts - Up to 13 Gallons - 1.25 x 1.25 x 8.5 75 Watts - Up to 20 Gallons - 1.25 x 1.25 x 8.5 100Watts - Up to 25 Gallons -  1.25 x 1.25 x 10.0 200Watts - Up to 50 Gallons - 1.25 x 1.25 x 12.0 Aquarium heaters maintain a constant temperature in freshwater or saltwater tanks and help promote an environment in which your livestock can thrive. Too much temperature fluctuation can be very harmf