EZ-On, EZ-Off takes the work out of hull cleaning.
Quickly and easily remove scum line, rust stains and other deposits from your boat with EZ-On, EZ-Off. The water-based, buffered acid formula makes EZ-On, EZ-Off safer than traditional acid-based formulas. 
 
Key Features
Can be used on boats that are in or out of the water
Removes stains from grassy marine growth, scum lime, and rust stain
Buffered acid formula is safer than traditional acid-based hull cleaners
For use on fiberglass, metal and painted surfaces
Gallon