Aqueon PRO 150W Adjustable Aquarium Heater Up to 55 Gallons

Power monitor Light:

• Red: Heating
• Green: Aquarium has reached set temperature

Electronic thermostat for accurate temperature settings and safety

• Automatically turns off if heater is left out of water
• Resets and works normally when placed back in water

Shatterproof and nearly indestructible

• Durable aluminum core for strength and even heat distribution
• No glass components

Fully submersible

• Can be placed vertically or horizontally in the aquarium
• Large temperature control knob makes modifying the temperature easy

For freshwater or marine aquariums