Mary Kate On & Off Hull & Bottom Cleaner

Mary Kate On & Off Hull & Bottom Cleaner

Works instantly to remove the toughest waterline stains, algae stains, rust & gas exhaust stains.  Will not harm gel coat. This powerful, acid-based cleaner is a proven way to deep clean and remove a wide variety of stains from gelcoat. Typical uses include removal of waterline rust and scum stains. Do not use on aluminum surfaces. Use on fiberglass only.

Specifications:

• Designed for Fiberglass Applications
• 1 Gal Bottle
• Water Based
• Removes rust stains and waterline scum
• Brush-on/rinse-off, biodegradable formula
• Will not harm fiberglass, gelcoats
• Works instantly to remove the toughest waterline stains