Jonathan Green's Mag-i-Cal Plus for Lawns in Alkaline & Hard Soil contains sulfur and calcium sulfate dihydrate which lowers soil pH, is important to cell development, and is vital to many grass plant functions.
Jonathan Green's Mag-i-Cal Plus for Lawns in Alkaline & Hard Soil contains sulfur and calcium sulfate dihydrate which lowers soil pH, is important to cell development, and is vital to many grass plant functions.