hello i have 4 rqs northern lights autos growing in my 120x120 tent under 600watt duel spec, temps 23c rh 50-60 two of them are 90cm one 180cm and one 110 the two at 90cm are identical and have good even bud groath,the other two were identical until i fimmed one, after the 2nd set of leaves, its the one at 110cm it is basically 2 weeks behind the others now but really wide and bushy i know im not suposed to but i have 4 and tought id find out for myself what happens, anyway il stop blabbering my real problem is on the two taller plants the leaves are really droopy the smaller leaves coming from the bud sites, plus all of the plants have pale blotchy fan leaves im using biobiz allmix and canna nuts could it be i need epsom salts or somthing