Often overlooked by homeowners, the professionals know the secret weapon to a stunning lawn is lime. The primary purpose of lime is to neutralize soil acidity by raising the pH balance. Neutral soil allows plants, grass and flowers to flourish. Lime supplies the calcium and magnesium to growth healthy grass. Additionally, lime enhances the effectiveness of expensive fertilizers. Gypsum is the ideal product to rescue lawns in need of repair. First, gypsum is ideal for clay soils because it will help loosen it for improved aeration and drainage. Second, gypsum delivers a healthy dose of calcium and sulfur to your lawn. Third, gypsum is pH neutral which is ideal for lawns that have been damaged by salt or pets.