MARYKATE On & Off for Outdrives is specially formulated to clean painted aluminum outdrives, outboard lower units and propulsion components. This unique product utilizes Safe Acid Technology™ to effectively remove tough calcium and mineral deposits, scum lines, algae stains and other marine stains without harming the painted surface.
Regular use will help maintain a "like new" appearance and help prevent heavy deposits from forming. May also be used to clean outboard engine for boat marine covers. Safe on fiberglass.
Will not harm gel coat.

DIRECTIONS: Pour ON & OFF FOR OUTDRIVES into a plastic pail or container. Using a natural bristle paint for boats brush for boat, generously apply product (o the area to be cleaned and allow to sit for 10-15 minutes, for excessive build-up. use a stiff brush to break up deposits. Hose or rinse off. See product label for warnings and complete instructions.