You can go to 100% humidity if you want. The issue is air circulation. The higher the humidity the better air circulation you need.
killerweed420 Reviewed by killerweed420 on . Humidity Levels FIRST OFF . . . please dont hate cuz i suck at spelling . . .:( Hey guys, I just had a simple question and i was hoping to hear an answer from some of the people who have grow logs on here (cuz i know your information is correct). I have recently been arguing with a few grow colleges about the humidity levels when the plant is in the 12/12 bud cycle. One college(advice A) says 30-45% is perfect and another college(advice B) tells me to jump it up to 70-85%. Right now i am trying to raise Rating: 5