For starters, likely time to transplant...and you're overwatering them. Cannabis seems to prefer a moist and dry cycle.

Beyond that, try filling out the troubleshooting form. (The link is below) :thumbsup:
Rusty Trichome Reviewed by Rusty Trichome on . A couple problems Ok. i added a picture (its A LOT brighter than that in there i promise). the plant on the right is growing fine, no problems. however, the two to the left seem to have stunted growth, and definitely have some curly, not very sexy looking leaves. the one furthest left also has some yellow/brown cripsy edges. this is the only plant with this problem. so what can i do? I have 5 plants under three 27watt (100 watt equivalent) daylight cfl's. it sorta looks like overwatering, minus the crispiness of Rating: 5