Lilly Miller Moss Out Granules is the perfect solution for mossy lawns. Moss Out makes moss easy to remove and prevents regrowth. Covers 5000 square feet of grass. Moss Out contains 10-percent iron and turns grass a greener， more vibrant shade Quick acting formula means you worry about moss less， sooner! Kills moss and only moss! It also helps promotes greener grass. Contains 32.0-percent ferrous sulfate monohydrate and 68.0-percent calcium carbonate Covers up to 5000 square feet Mossicide Made in USA Your security is our number one concern