Instant Hull Cleaner is formulated to begin working on contact to remove unsightly waterline stains. It is also very effective at removing rust stains or leaf stains from fiberglass or painted surfaces. It will not harm the surface being cleaned and is an ideal preparation for polishing the hull.

POWERFUL CLEANING ACTION - STAR BRITE Hull Cleaner removes tough stains from boat hulls, fiberglass, plastic & painted surfaces

• REMOVES STUBBORN STAINS - Specifically formulated to instantly dissolve tough stains, including rust, dried fish blood, grass and leaf stains
• SAFER AND EASY TO USE - features a naturally powerful oxalic acid formula, much more user-friendly than harsher hydrochloric or phosphoric acid formulas, a top choice for marine-grade cleaning solutions
• ULTIMATE BOAT MAINTENANCE - STAR BRITE Hull Cleaner is your all-in-one solution, effectively removing yellowing & scum lines from your boat while maintaining its pristine condition, the best choice for fiberglass and painted boat hulls
• NEXT STEPS: To add shine and protection to your newly cleaned boat hull, apply STAR BRITE Premium Marine Polish
• PROUDLY MADE IN THE USA - Since 1973, Star brite products have been crafted with pride in the United States, ensuring quality and reliability

Shake well. Apply using sponge or sprayer. Use of rubber gloves is recommended. Allow to remain on surface for 2 minutes then rinse with fresh water. Severely stained or dirty surfaces may require second application. For best results, use when temperature is over 50°F. To shine and protect newly cleaned hull, apply any of Star brite's Marine Polishes.