MaryKate On & Off Hull Cleaner

The MaryKate On & Off Hull and Bottom Cleaner quickly and effectively removes waterline stains, algae stains, rust and even gas exhaust stains! Easy to use, simply brush on and rinse right off! Formulated specifically for fiberglass only. Environmentally friendly and will not harm any previously applied gel coatings.

Available in either a 32 oz. bottle for $12.88 plus shipping or a gallon container for $40.88 plus shipping.