Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part II: Grains per Pound (GPP)
December 1, 2015
Relative humidity fluctuates with temperature, but Grains per Pound (GPP) provides an absolute measure of moisture in your grow room. By understanding the actual weight of water in the air, you can precisely manage your dehumidification and irrigation needs to provide optimal conditions for your crops. Learn how GPP improves your climate control strategy.


