Sure, moss is a tough lawn foe– but not for Scotts® Turf Builder® lawn food and moss control. This iron-rich formula is formulated to tackle tough moss problems, without harming your lawn. It also controls growing moss while feeding your lawn. Roots grow strong and deep to thicken grass and fill in bare spots. Helps prevent future moss problems. Applies easily and evenly with any Scotts® broadcast or drop spreader (sold separately). Not so tough, eh moss?