Star brite EZ-ON EZ-Off Hull and Bottom Cleaner stands above imitators' hull cleaners as the best and easiest way to clean dirty bottoms and hulls. This Star brite hull and bottom cleaner loosens tough marine deposits and removes stubborn stains quickly without hard scrubbing. Formulated with a special buffered acid, this Star brite cleaner provides safer cleaning than the harsh acids of traditional bottom cleaners. Ideal for cleaning baitwells, fish boxes, or in-deck storage. Removes deposits on boat bottoms, scum line, and rust stains quickly and easily Loosens the toughest deposits on boat bottoms Water-based, environmentally friendly formula Special patented buffering process Safer than acid-based bottom cleaners