MaryKate Crystal Lakes Hull & Bottom Cleaner

The MaryKate Hull & Bottom Cleaner cleans and brightens the hull and bottom while removing brown water stains, mold stains, algae stains, rust stains and more from your boat's bottom.

Concentrated crystals mix with warm water for a mild, effective and safe hull & bottom cleaner. One container makes up to six gallons of cleaner. Simply apply, let stand and rinse. The easiest way to keep your boat looking great!