Adding lime to a lawn helps adjust the soils ph levels, which affects the grasses ability to absorb the nutrients necessary to grow properly. Liming is an important part of a turf management program and is safe to use non-toxic to humans or grass and will not cause pollution problems. We use pelletized lime which has been in use for several years and while it is more expensive this material is easier to spread and more controllable than regular liming materials and eliminates dust problems. These treatments are used to "sweeten" the soil when it has been determined that the composition is too acidic. Acidic soil can inhibit turf growth. Lime applications lower the acidity so you can enjoy your lawn's healthy color and density.