pulverized dolomitic lime will help regulate your PH in soil. add 2 tbs. per 10 lbs./16 qts.
...hope this helps...
latewood Reviewed by latewood on . pH of runoff 6.8 pH water goes in, 5.0-ish pH water drains out. Soil is 70% Sunshine Mix #1, 30% Perlite. Remedies: dolomite lime? flush? help? Thanks :) Rating: 5