MX450
Well-Known Member
Hydro system( flood/ drain), hydroton pellets, 250w HPS set 20in. over plants on 18/6 light cycle, GH grow formula nutes at 1190 PPM fed every 2 hrs for 15 minutes, Im now into my 4th week or veg from seeds and I have developed brown spots on my lower fan leaves of 1 plant.. I have 6 going... whats causing this.. Ive read N def, Ma def, but whats really going on...oh there are no bugs or gnats...see photos... MX
