Soil? if this is soil, up the water pH to 7.5, and get the runoff up to the 6.5-6.8 range. when the runoff starts getting higher pH try bringing the pH of the water going in back down to 6.5-6.8
Soil? if this is soil, up the water pH to 7.5, and get the runoff up to the 6.5-6.8 range. when the runoff starts getting higher pH try bringing the pH of the water going in back down to 6.5-6.8