Marykate Crystal Lakes Hull and Bottom Cleaner 20 oz

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  • Cleans and brightens the hull and bottom while removing brown water stains, mold stains, algae stains, rust stains, and more, caused by lakes and rivers.
  • Mix the concentrated crystals with warm water to get a mild, effective, and safe hull and bottom cleaner
  • One container makes up to six gallons of cleaner.
  • Simply apply, let stand, and rinse off.