Al, This is my fourth grow and my first in hydro. I'm using cap ebb and gro 16 pot system. I'm in my fifth week of veg. I'm using heavy 16 veg a&b,heavy 16 prime,superthrive,sensizyme and calmag. I have a hannah grochek and my ph is steady between 5.7 and 6.0. ppm is around 800 and water temp is...