Star brite® Instant Hull Cleaner is specially formulated to begin working on contact to eliminate unsightly waterline stains. Powerful Cleaning Action – Instantly removes tough stains from hulls, fiberglass, plastic, and painted surfaces
Does not harm the cleaned surface and is an ideal pre-treatment before polishing the hull.
Features:
- It is also highly effective in removing rust, fish blood, and other stubborn marks from fiberglass or painted boat surfaces.
- Dissolves Stubborn Stains – Designed to eliminate rust, dried fish blood, grass stains, and leaf marks with ease
- Safe & Easy to Use – Uses a naturally strong oxalic acid formula, much safer than harsher hydrochloric or phosphoric acid-based cleaners
- All-in-One Hull Maintenance – Effectively removes yellowing and discoloration, restoring your boat’s original look
- Made in the USA – Proudly manufactured since 1973, ensuring high quality and reliability
Directions for Use:
Shake well before use. Apply with a sponge or sprayer. Gloves are recommended. Allow the product to work on the surface for 2 minutes, then rinse thoroughly with clean water. For heavily soiled or stained areas, a second application may be necessary. For best results, use in temperatures above 50°F (10°C).

