PRO-MIX Thick & Quick Lawn Repair Grass Seed 9-2-2 is a 4 in 1 mix designed to rapidly fix up lawns that need to be thickened and strengthened. It contains premium grass seed, Surestart™ nutrient coating for a fast start, an active nutrient blend for bigger, deeper roots, and Soil Booster™ for a richer soil and healthier lawn. Used at the beginning of spring or fall, this product will get your lawn back on its feet before you know it. Just give it a try!