2 days ago the p.h of my soil was between 6 and 7. Today its between 7 and 8, creeping towards 8. I'm new to organics, but I know that lockout is likely to occur at 8 and above.
My soil mixture is composed of (BASE): 40% lava rock, 20% spaghnum peat moss, 20% worm castings, 10% topsoil, 10%...