Grunt! boat cleaner penetrates into the pores of the gelcoat and using a chemical reaction gently neutralises and magically absorbs the staining without affecting the gelcoat in any way.
Simply brush on – Leave for 3-4 minutes and the simply rinse off.
No rubbing or scrubbing
A biodegradable, water-based cleaning solution containing no harsh acids. Safer to use than traditional hull cleaners.
Do not allow to dry on surfaces and may not be suitable for some plastic or aluminium.
Use on white and light coloured fibreglass, gelcoat and most two part and enamel marine paints.
- Removes Yellow/Brown waterline stains
- Removes rust staining from fittings
- Removes limescale
- No harsh acids
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