In a message dated 5/19/99 7:43:26 AM, Byron.Bromley@Gsd-Co.Com writes: << A $20 pH meter is close enough for the home gardener. Example. To adjust 1 pH point in a certain type of soil requires 7.5 oz of lime per 100 sq ft. To adjust 0.1 (10%) means 0.75 oz per 100 sq ft. >> Did you get that thru mailorder or would a good garden center have one? Kris P z 5 IL