If it works, It works, who cares how it works, as long as it works and Smith's Cleaners work!

After first cleaning, Smith's X-treme cleaner will continue to block re-occurrence of mold growth for up to two years! It's deep, stain-cleaning properties wipe fabric and gelcoat stains to a Bristol surface from exposure to the natural elements of sun, wind, dew and rain. Smith's used straight deters the growth of barnacles, oysters and zebra mussels on props, the prop shafts and the rudders.