Keep your windmill aerator running all winter long with the Freeze Control Unit—a smart solution designed to prevent frozen airlines during cold weather. This self-regulating system detects pressure changes in the airline and automatically injects non-toxic isopropyl alcohol if it senses a blockage caused by freezing condensation. By doing so, it ensures continuous airflow and reliable aeration even in frigid temperatures.
If it’s cold enough to freeze your airline, it’s cold enough to freeze your pond. Maintaining proper aeration during the winter is critical for fish health, water quality, and overall ecosystem balance. A bottom-diffused aeration system helps keep a section of the ice open, allowing for gas exchange and reducing the risk of winter fish kills caused by oxygen depletion.
Without an open area for oxygen transfer, toxic gases from decomposing organic matter can build up beneath the ice—leading to foul odors in the spring and increased maintenance. Winter aeration also helps attract wildlife and supports a more vibrant aquatic habitat year-round.
Automatically clears frozen airline blockages with isopropyl alcohol
Self-regulating design—no manual operation required
Keeps your windmill aerator running through freezing temperatures
Helps prevent winter fish kills and poor spring water quality
Essential for cold climates where ponds commonly freeze over
If you want your windmill aeration system to perform reliably throughout winter, the Freeze Control Unit is a must-have accessory.
