Contains 21% calcium and 16% sulphur that will penetrate heavy clay soils and breaks up particles, allowing roots of plants to seek out rich nutrients that are usually abundant in such soils. A Manitoba Hutterite colony grows exceptional crops by applying Clay Buster each spring. One bag covers about a 1000 sq ft. Extra shipping could apply to this item due to the weight - If overweight shipping is required we will notify you before we ship the item.
