Soil Science 831 25 lb Biostart Plus 8-3-1Soil Science 831 25 lb Biostart Plus 8-3-1 Features: Biostart plus Works well on soil problems where other fertilizers have failed Aids in color retention in semi dormant turf Increases nutrient availability, thus less fertilizer is needed Naturally cleanses soil of damaging chemical residues Produces deep, rich, long lasting color Especially effective in new plantings, over seeding, and a pre-plant for sod and hydro seeding Provides quick long lasting Green growth without excessive mowing 37106 25 lbs