I am not going to read your whole thread, but 1st...If you want a good organic soil, that you can basically just water and not use a lot of nutes then you should spend the money on Foxfarm ocean forest...It is the chitman'

you apparently overferted the crap out of your plants. I saw it in the piks...no need to read. Good Piks.

flushing is done to remove all the salts built up in your plants. You must flush with at least 6X's the water that would fill up your grow container. you can also place the plants in the shower for awhile (tepid water) and totally rinse/flush them...make sure you rig a filter of some sort for your drain. Good luck

p.s. I would get away from all that miracle grow stuff!

I have always used AN or GH 3-part and a product called Liquid Karma or Superthrive as an additive
(B-vitamins +) to the 3-part and it is inexpensive, yet produces great results.

This thread belongs in basic growing...so i'm moving it for ya' peace