M mercarus2 Member Oct 24, 2010 #1 Just re-hooked up my 400w MH light and seen this within about 48 hours. Is this heat stress? Around 18" above my plants. Haven't seen it anymore since I raised my light but want to make sure I'm not overlooking another problem. Thanks!
Just re-hooked up my 400w MH light and seen this within about 48 hours. Is this heat stress? Around 18" above my plants. Haven't seen it anymore since I raised my light but want to make sure I'm not overlooking another problem. Thanks!
