Scotts Turf Builder with Moss Control kills moss without harming your lawn Added fertilizer thickens grass to fill in bare spots throughout your lawn Apply our moss killer plus fertilizer to a moist, mowed lawn during winter or spring when moss is actively growing This lawn care product can be used on most grass types One 25 lb. bag of Scotts Turf Builder with Moss Control covers up to 5,000 sq. ft. Not sold in FL,MD,NH,NJ