CRC MK2032 MaryKate On & Off Hull Bottom Cleaner 32 fl oz Instant Action

Works instantly to remove the toughest waterline stains, algae stains, rust & gas exhaust stains. Use on fiberglass only. Will not harm gel coat.

Features and Benefits
• Use on fiberglass only
• Will not harm gel coat
• Easy to use- brush it on, rinse it off
• Works instantly
• Water based
• Non-flammable

Applications
• Fiberglass