Moss lawn killers are a special chemical. It is formulated to remove the moss from your loan. It is safe to use. It contains some active ingredients. Ferrous sulfate and potassium salts are the common ones. These chemicals eliminate the moss by drying the moss. It kills the moss quickly. When the moss is dryed it is easily removable. This process is very easy. You can remove all the m... https://perfectgreenyard.com/moss-lawn-killer-working-and-usage/