plz help i'm growing in loft useing coco-greenhaze nutrients-600w hps x5-12 x g13's & 16 x red diesel's-this is 3rd grow in this loft ma problem seems 2 be 1 half of grow space as 12 plants on 1 side r doin fine but other 1's r not lookin good-am on wk 4 of veg from cuttings(got from same place as always,so know they r good 1's) all 12 g13's seem 2 of stopped growing in height & leaves r all curling(look like claws)with some leaves being lighter in colour than others & a few leaves tips look burnt wi some brownish bits round edges
(not alot of leaves got brown spots at edges but a couple)cant understand y a few red diesels in same side of room as g13's r slightly ill compared 2 the 12 plants onother side of room-they all gettin same feed etc got constant air in/out,fans on circulating air flow,temps r ok both lites on/off(wee bit hi on lites on but as said not all plants affected-here's a few pics if any 1 has any deas i'd appreciate ur help-all new growth is nice n lite green as should be so am baffeled
(not alot of leaves got brown spots at edges but a couple)cant understand y a few red diesels in same side of room as g13's r slightly ill compared 2 the 12 plants onother side of room-they all gettin same feed etc got constant air in/out,fans on circulating air flow,temps r ok both lites on/off(wee bit hi on lites on but as said not all plants affected-here's a few pics if any 1 has any deas i'd appreciate ur help-all new growth is nice n lite green as should be so am baffeled