kills Moss The Clever Way.the Natural Way For A Great Lawn.feed Your Lawn For Up To Three Months.child & Pet Friendly.if You Are Struggling With Moss Appearing On Your Lawn. Then Lawn Master Is The Perfect Solution To Dealing With Your Moss Problems. Eradicating Moss The Natural Way Means That Your Lawn Will Not Be Chemically Damaged & Left With Black Spots & Staining.lawn Master Attacks Moss In A Clever Way, By Releasing Friendly Bacteria Into Your Garden Which Eats Moss & Converts It In To Organic Lawn Feed. So As Well In Killing Moss It Also Provides Your Lawn With A Slow Release Of Nutrients For Up To 3 Months.if You Have Young Children Or Pets In Your Family You Can Relax Knowing That Your Lawn Is Being Treated & Your Children & Pets Can Play Freely In The Garden, As Lawn Master Is Completely Harmless To Humans & Wildlife.for Best Results Apply Where There Is A Recognised Need. Lawn Care Works Best When Applied Between March To September. Do Not Apply When Your Soil Is Dry Or When Conditions Are Expected To Be Freezing.