why my leaves turn light green and yellow?need some help please. all leaves started to look like fade. all from the top to the bottom. i flush one of them and i wait to see what hapen...i put tinfoil on the pots all around... i put in soil mix a nutrient with this value : phosphorus (P205) >25% , calcium (CaO) 20% , crude protein with high nitrogen 18,7 % , magnesium (MgO) 4,1% , pothasium (K2O) 0,3% and microelements . and i put some HESI for vegetativ stage....if need i tell you the value for this too...if need more info leave me a message. i have photos to...i have photos to but i don't know how to put them...