hello All. I Guess Im A Newbe, I Just Changed From 20/4 (m.h.) To 12/12 (h.p.s.) Ive Used The Hps Before. Anyway To Tell If Its Losing Strengh. I Lost Track Of How Many Hours Of Use.
Any Info Would Help
I have used the same lamp for 3 years. I know that is longer than normal, but I am still getting excellent results. I will be getting a new lamp to flower my current grow.