from what you are saying ive got the same prob,

i had a nitrogen defiency or what i thought was, but the smaller nodes are greening up its just the larger shade leaves showing what i thought was chlorosis,

smokyjlamo Reviewed by smokyjlamo on . Warning! Sick plants in a grow tent? read this before doing anything! Hi everyone, I have just had the worst problem in 15 years of growing and now have finally resolved it. I can't see too much about it on this site so I thought I would share this vital information with you.... Stay well clear of any tent with white interior made of PVC. THEY WILL KILL YOUR PLANTS! The symptoms mimmic (sp?) nutrient defficencies, lockout and ph problems and usually end up killing your plants over a couple of weeks from the bottom up. Plant growth will slow, then stop and roots Rating: 5