We did raise the lights a couple of inches when we saw the leaves turning up etc, what sort of hight should a 400w be from the tops?
400MH...16 inches....400HPS 12-15 inches...above the canopy. IMO. This zone should be at 78 degrees (ideally) with good, fresh air flow.


Not sure what brand of tent it is, got it all in a job lot

I hope, it's not a HydroHut Death Tent?
Dutch Pimp Reviewed by Dutch Pimp on . Bright Yellow Patches & leaves Turning Down, & Some plants turning up! - Any Advice? Hi all, this is my first grow, sort of a fumble my way through job! my plants are into their 7th week of flowering now, we only started using nutes since week 4, but only in light amounts the plants are generally healthy but over the last few days one has had problems with the leaves turning down & bright yellow almost dayglow patches on the dark green leaves, any ideas what could be causing this? some of the other plants leaves are turning up, as in the 3rd picture, is this a symptom of Rating: 5