This thread may very well be the best nfo on the web when it comes to stress and cannabis.
It is worth reading several times, I often review it cause that is a lot to remember.
I am not a fan of flushing but I feel feed should be reduced late in flower.
Thanks to @JudasCreeps for this info.
Not a bad way to feed your plants, and no you don’t need 7 different ferts, you simply adjust your feeding program to hit close to these numbers.