With Pennington Smart Patch, you don't need to know why your lawn has thin, bare or brown spots, Smart Patch eliminates the guesswork and frustration of lawn repairs. This product has everything you need to fix bare spots, neutralize soil and disease problems and grow thick, lush, water-conserving grass, even on slopes and hills. Pet damage and urine spots, No problem. Lawn disease and poor soil conditions, That's covered, too. With Smart Patch, you'll see quick results you can rely on. Smart Patch Tall Fescue Mix is everything your lawn needs and more. This dynamic seeding mixture contains microbials to fight and prevent lawn disease, patented American Ryegrass that is guaranteed to produce quick results and a water-soluble tackifier that acts as a blanket for your seed, even protecting it against the rain on slopes and hills.