EZ-ON EZ-Off Hull & Bottom Cleaner is the best and easiest way to clean dirty bottoms and hulls. Loosens tough marine deposits, removes stubborn stains quickly and without hard scrubbing. Formulated with a special buffered acid that is safer to use than the harsh acids found in traditional bottom cleaners. Ideal for cleaning baitwells, fish boxes or in-deck storage. Star Brite EZ-On EZ-Off hull and bottom cleaner 32 ounce bottle Quickly and easily removes scum lines, rust stains and marine growth Removes deposit build-up on boat hulls Eliminates scum lines and rust stains Water based formula is environmentally friendly Patented buffering process is safer than other acid based bottom cleaners Also available in 1 gallon jug p/n 92800 for larger projects