Well this is my first post on here guys i usualy just surf for answers from other ppls post but this time i need some help of my own.. I got 4 girls growing in a dr60 under a 400w hp about 3 to 4 weeks old now.. About 4 days ago i noticed they started to get the "rust spots" on the fan leafs and they started curling up not down and sag a little.. Now just last night 3 of the smaller ones got real bad and the whole tips started to crumble in my hands!! I thought at first i over fed them all but i washed them out and put some fresh soil in and still the same.. Iam growing the old fashion way lol using foxfarm ocean soil and feeding with general hp (the green shit lol) i got some other nuets but am only using that as of right now.. Any help would be greatly apreciated guys any more info if needed ill try to supply..

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They don't look bad. Look pretty good.

You need more than just the green grow. They are missing nutrients. Go and get the micro and bloom to go with green. to start eqaul amounts of each to get the ppm's you need to water with. I'm hydro but 5 ml's each to a gallon of water is what I give a mother in dirt. She's not 2 feet and has given up more than 30 clones so far.

OH, I don't see any fans to move air hope you have one. The heat from a light could cause problems.

Thanks for the input dude, so you think i should go get the other nuets too? If so i will. The little ones are the worst sorry for no close up pics yet but will tonight, and yea i got 2 fans going during the day and the inside temp during the day is 77F and at night like 58 i think lol, not sure if maybe that could be my problem?? To big of a temp change when the light goes off not sure but anyway thanks again for the help man..

yes sirrrr. that is one part of a 3 part system.thats like ordering a a pb and j sandwich and u get a serving of jelly on a plate.