Please enlighten me on the gypsum in the water. Does it help pull excess nutrients out
CaSO4 will bring soluble Ca to your roots on the fly. This is nearly always a plus. It will also help with excess K, Mg and S will quicken N utilization. Also N toxicity is blunted to a degree by readily available Ca.
Learning about these interactions is as easy as a youtube sesh w the hefty bros, jon kempf , kittredge etc.
Again if you haven't got a soil test youre joking.
Plant deficiencies are at the point of crises by the time they become visible. Saying that you know whats going on by visible clues could be true but its too late and it is amateur stoner boy style.