Preventing Crabgrass with Scotts® Turf Builder® Halts® Crabgrass Preventer with Lawn Food - YouTube
Scotts Turf Builder Halts 13.35-lbs. 5000-sq ft Pre-emergent Crabgrass Control in the Weed Preventers department at Lowes.com
Amazon.com : Scotts Halts Crabgrass & Grassy Weed Preventer: Treats up to 5,000 sq. ft., Pre-Emergent Weed Control for Lawns, Also Works on Chickweed & More, 10.06 lb., 2-Pack : Patio, Lawn