Sorry i am useing plant magic soil and bio bizz nutes up to now no probs,im 2and week 12/12,bio bizz running low so bought plant magic plus.i mixed plant magic nutes 1ml grow,3ml bloom,1ml silicon per litre of water and the p.h was 8.9.When i mix bio bizz nutes same ratio p.h is 6.5.Where am i...