OK well i have a couple of my plants got n deficiency due to Ph levels being high so i think my plant locked up resulting in nitrogen deficiency i wasn't aware of the Ph problem yet so i added blood meal which is just n its 12-0-0- well after i added it to three plants i decided to check the Ph and saw it was at eight or close to i really need a digital so i went out and bought a second test kinda to back up the first results and begun different procedures to lower it resulting in nitrogen toxicity in so far in 1 of the three that got treated with blood meal but thats just my opinion from researching i know well pretty sure its toxicity but need some 1 that knows what hey are doing to actually help if any of u could help me thanks well hear are the pics at the beginning the the first saw leaves on the plants which would be the lowest and 2ND lowest leaves were all yellowing like like almost a see threw yrllow I'm not sure whats wrong with her either but after the leaves yellowed is when i gave her blood meal and noticed high Ph levels thats they only thing i can think i did that could of affected my baby's to turn them this color is the extra NITROGEN think so and is it norm 4 the oldest leaves to yellow and die off on the oldes t leaves aat this age this plant below im not sure whats going on if any body could give in put on her i would greatly apreciate it thanks ohh and all my plants since sprouts are female untill they show signs of sex P.S if u need to know any thing just ask soil- mirical grow continuse feed i know bad choice all i bould find local LIghting-is 4 26 watt cfl spiral with reflector 3 flood light cfls around sides with two 24 in floresent tubes ecolux grow light VENTILATION&TEMPEATURE-is between 72-86 i have came home a couple times and found the thermometer to say highs of 94 which i am working on better ventilation for wind simulation i have a small fan in there HUMIDITY- is constanly at twenty percent GROW ROOM SIZE-RIGHT KNOW IS 4LX2WH THE HEIGHT CAN BE AADJUSTED AND IM LOOKING FOR A CLOSET TWO MOVE 1 OF MY FAMILY MEMBERS CLOSE INTO 1OF THOSE PLASTIC CLOSETS AND I HACE TH PERFECT SPACE ALREADY srry about the caps locks on the last 1 if u need two now anything else pm me and also looking for ppl to give advice and wouldnt mind addingme to help me out through the grow thanks 4 ur help