In week 3 of flower my hairs started turning brown...then in week 5 my leaves started getting spots on the leaves on top of canopy and stated working down a little now..the leaves tips are also pointed down..the pictures are from week 6 of flower . My environment is perfect..temps and rh are in the perfect range co2 is 1600-1400ppm..im thinking I Fed too many nutes. I feed cal-mag at full strength with every feeding ..I don't feed to runoff so I can't check my soil ppm or ph. Can anyone tell me from the pics what they think it might be..thank you
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I'm using spider farmer 4000 and iv lowered the light to 20 inches and 1000ppfd...im losing my nutes to 3/4 strength and ph water to 6.2...what else would u suggest I do next?