Xochipilli
New member
question: what seems to be the optimum distance for 315 CMH? I am flowering under 3100k bulbs now. I had originally spaced the lamp about 2 feet from the canopy - the CMH seems to have really diminished the amount of stretch that I normally count on. Strains that normal double or more in size have barely stretched at all. I am wondering if I am too close with these bulbs. I have read one distance recommended is 36 inches? Curious what experiences folks here have had with these bulbs...