Hi i have 12 plants in a 3x3 metre room run with 3x600watt hps lights and 1 x 400 watt hps. i have the room tempreature controlled at about 24 degrees with an exhust fan to help circulate the air in the room. i use coco bricks with perlite mixed in for extra drainage for my potting medium. They have been in the flowering stage for 5 and half weeks now. The problem started 5 days ago when i started to flush my plants with fresh water. the leaves have turned brown and started too turn upwards. My guess would be some sort of nut burn but seems strange when it only happened when i started to flush them. Not all of my plants have been affected. Please see attached photo's. Should i just pull now as the starin is normally ready at the 7 week mark. any help would be good.
P.s they have not been watered for 3 days now.
thanks
P.s they have not been watered for 3 days now.
thanks
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