HELP Please Random Wilting...
Ok so I'm not sure what's going on plants have been growing beautifully untill recently I changed my globes over from mh to hps and begen 12/12 cycle now leaves have started to severely wilt and canoe downwards...they haven't been over or under watered and havrnt been nute burnt, I'm growing in potting mix and p.h is fine, slightly acidic, water is neutral, lights are 600w hps dimmed down to 400w each they are about 7-8 inches from top of plants haven't changed anything besides globes and light cycle....started misting today to help wilt any ideas what it would be??? Thanks a lot.