help

[ktmsxer]

OK i Havent had any problems on my first grow in awhile but out of no were this morining i look at the, amd some of the tips are curled upward circle and some of the leaves look shity. Budding is 2 in half weeks in they look great. im in rockwool, ph is between 5.5-6.5. Suggestions???

[steve.442]

may be over feeding wats your ppm at. or could be heat, wats the heat at. are your plants to close to your light.400w = 12 inches 600w 18-24 inches.
do you have enough ventilation.