Scotts® Turf Builder® Triple Action Built For Seeding is formulated to help grow new grass and control against weeds while feeding and strengthening grass. Now you don't have to choose how to best care for your lawn—you can maximize growth with one application. Jump start grass seed development so it establishes quicker and thicker, whether you are starting a fresh new lawn or reseeding an existing lawn. Protect your lawn against annoying and bothersome crabgrass, dandelions and other pesky weeds for up to 6 weeks without harming your new grass. It also feeds and strengthens your new grass to protect it against heat and drought. For best results to grow grass fast apply with Scotts® spreader to dry lawn, then water to activate. Works with most grasses including Kentucky bluegrass, tall fescue, perennial ryegrass and centipedegrass. One 17.2-lb. bag covers up to 4,000 sq. ft. New weeds will sprout white or turn white and quickly die. This product does not contain grass seed, and it will not kill existing weeds.