Lilly Miller 100099164 Moss Out Lawn Granules, 20 LbMoss can be quickly klled with applications of Moss Out Lawn Granules. Klling the moss gives grasses a chance to "reclaim" the lawn. Lawn moss is a common problem in many areas. Moss thrives in damp, shady lawns where the soil is acidic and drainage is poor. Under these conditions moss can spread into areas where grass once grew. Moss can take over a lawn if steps are not taken. Moss Out! Lawn Granules has 10% iron to kll lawn moss and green the