This fully submersible Aqua-Air Pro aquarium heater is perfect for heating water to create a perfect incubation chamber for mushrooms. This powerful heater can be adjusted from 62-90 degrees and will maintain the desired temperature in even the coldest rooms.

Features:

• High powered 200 watt heating element
• Fully Submersible design
• High quality quartz glass construction
• Visible temperature setting for accurate reading