Field glossary
pH
Surface alkalinity on a 0 to 14 scale; fresh concrete commonly reads 12 to 13
Also defined as
- Plumbing: Measure of acidity, 7 neutral, lower is acid, higher is caustic; discharge is held to a set range
- Landscaping: Soil acidity or alkalinity; most turf wants about 6.0 to 7.0, which keeps nutrients available