thanks in advance! this is my second grow. my first went with flying colour. and this ones more multi-coloured. i have three plants 5weeks old ina wadrobe. i have a 150w 6400k cfl, the temp keeps vari 27c humidity 39%. i have only been giving them water once every 3rd day or sooner if there dry. there is no intake or out-take fan. week 3 i started with seedling soil and everything was fine. till i trans planted into slightly bigger pots then i started getting yellow tips on the bottom leaves, which through the week got worse turning brown and working its way to the stem. but they were still growing. week 5 so.... then i thought could they want feeding. i gave them baby bio as a test. next day worse. now they look shiny or waxy on top and am worried im boarder line treating for mg. but would like a 2nd, 3rd opinion any help would b greatly appreciated!!!!! Attached Thumbnails \t \t\t\t \t\t\t \t\t\t \t\t\t \t\t\t \t\t\t \t\t\t \t\t