Safe for flame resistant clothing and all washable fabrics, yet powerful enough to remove odors and the toughest stains. Its secret is that unlike other detergents designed to leave brighteners, fragrances, and other residue behind, Sport-Wash rinses completely. Residue can actually reduce the effectiveness of FR clothing. Nothing is left on your clothing to clog the pores of your fabric.18 Ounce bottle is enough for 18 wash loads.