3 plants were growing really slow and bottom leaves were turning yellow and brown dyin. i have 3 100 watt cfl lights. 4x3ft setup. fan temp is 78.3 ave.only been using tap water which i hear is around 190 ppm which sucks, sorry dont have the tester i just ordered it offline for ph and all that. so instead of actually actually reading up i just sawsomethin online called sensi bloom a and b. not noing about sensi grow. i mixed it like your saposed to and and watered my plant yest. was this a bad choice