Augments fertilizer availability in acid soils Increases microbial activity as acidity is corrected. Insures maximum nutrient availability by maintaining optimum pH levels, most favorable for plant growth. Supplies required nutrients calcium and magnesium Lessens availability of elements often toxic to plants in acid soils. premium 50 lb bulk bag designed for professional and home garden use. These high-calcium micro pellets neutralize soil acidity, promote healthy turf, lush lawns, and thriving garden beds. Made from 100% natural mineral sources, our capsules deliver an effective, environmentally friendly solution for soil pH adjustment.