Mary Kate On & Off Hull & Bottom Cleaner
*PLEASE NOTE: This item is only available for STORE PICK-UP.*
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






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