Hi guys as title states I have 3 autos in a 2x3 they are 35 days from sprout all in the start of flower 2 @ 2 weeks and 1 @ 1 week or so but my question is until about a week ago all was fine still is except from I noticed that the plants were dropping a few hours before lights off they were on 20/4 so switched to 18/6 for more rest anyway I got looking into Dli an figure that was the problem too much light over too long a timeframe but surly a 150w led isn’t too much light it’s on about 80% atm @ 28 inches and plants seem a lot happier 500ish ppfd @ canopy any thoughts guys thanks