I think your diagnosis of nute lock out is pretty far fetched Ring'n. Your plants still look pretty healthy to me.Just a quick update.
Because of the nute lock out and having to water with the epsom salt formula, I have over watered a bit..... Nothing major....lol
I have included pics of the upper portion of my ghetto cab to show the exhaust fan. The cab itself runs a constant 80f with the lights on, it never really fluctuates at all.
Im still not sure what the sex's are but Im sure they will show me definitively soon.
Here are a couple pics.