Maintain constant and stable temperatures for your aquatic creatures to thrive with Aquatop's quartz glass submersible aquarium heater. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups. With the highly visible temperature setting, the Aquatop GH is easy to set and adjust to the desired temperature with the use of the temperature adjustment knob. This powerful aquarium heater also has double insulation and is made from high quality insulated glass.

Which size is best for my tank? Choose your size here:
(All heaters provide a 68-93F temperature range)

GH-50W - 50W, 13 gal tank capacity, Size: 9 inches

GH-75W - 75W, 20 gal tank capacity, Size: 9 inches

GH-100W - 100W, 25 gal tank capacity, Size: 10.5 inches 

GH-150W - 150W, 40 gal tank capacity, Size: 10.5 inches

GH-200W - 200W, 50 gal tank capacity, Size: 12 inches

GH-250W - 250W, 65 gal tank capacity, Size: 12 inches

GH-300W - 300W, 75 gal tank capacity, Size: 14 inches