On another note,
Dear @Seamaiden
So could part of the problem I'm having be that I'm going from little lighting in veg, to alot more lighting in flower? It would make sense that they would need more nutes, but I have salt build up around the bottom. I think as I'm watering and not feeding, it's washing the soil's original salts out. The salts that WERE in the soil, are now in the drain pans and the outside salt ring around the bottom the pots. Plants are now hungry, as there are no nutrients. Cupping, tips and stripes (chlorosis), tips curl Up, brown dried and necrotic spots.
Does this make sense?
I'm thinking if I clean the bottom of the pots and drain pans, I will get a butt load of a better ppm reading. That needs to be done regularly even in soil, I'm starting to find out.