humidity for cannabis

Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part II: Grains per Pound (GPP)
Dec 01 2015
Part II: Grains per Pound (GPP) As we discussed last time, relative humidity (%RH) is a way to measure moisture in your grow room’s air.…

April 23, 2015 Confusion Over Pesticide Rules Presents Conundrum for Colorado Growers “John Andrle, the owner of Denver rec shop L’Eagle Services, estimated that 95%…

To grow properly, plants need proper humidity, temperature, and light levels. If plants get too much or too little of these elements, the resulting stress…