Dolomite Lime stabilizes and raises the pH level of your soil! Dolomite Lime prevents and cures Blossom End Rot in tomatoes and Peppers! Dolomitic / Calcitic Lime precious calcium and magnesium to depleted soils. Ultra pulverized and micronized for fast acting results! Perfect for Earthboxes and other container gardens! Dolomite Lime enriches soil with calcium and magnesium while helping to regulate and raise pH levels. It also helps prevent and cure blossom end rot in tomatoes and peppers. Simply mix at a rate of 1-2 tablespoons (max rate) per gallon of soil and mix into the top 2-3 inches of soil. This is PURE dolomite garden lime with Calcium and Magnesium. This package contains 20 total pounds in (4) easy to store bags (5#'s each)