If you can hold your hand where the plants are and be comfortable and not to hot your good. Postion fan over cfls to consantly cool cfls and u wont worry about anything
Incorrect, there is no ratio unfortunately. The reason for this is because when you harvest your crop there is no certain that 70% of the crop is moisture, if you used this method you could be overdrying wasting time ot worse under drying leaving moisture in buds that can turn into mold. Also...