On & Off Hull & Bottom Cleaner – 3.78L / 1 Gallon

Fiberglass Hull and Bottom Cleaner for Waterline Stains

This marine hull and bottom cleaner is formulated to quickly remove tough stains from fiberglass surfaces. Its fast-acting formula tackles waterline buildup, algae, barnacle residue, rust, and exhaust stains while remaining safe for gel coat when used as directed.

Features

• Instantly removes waterline stains and organic buildup
• Effective against algae, barnacle residue, rust, and exhaust stains
• Safe for use on fiberglass hulls and bottoms
• Will not harm gel coat when used as directed
• Easy brush-on application followed by rinse
• Designed specifically for fiberglass surfaces only
• Large 3.785 liter container for multiple cleanings