For removing yellow/brown stains from fiberglass gelcoat and two-component painted surfaces.
This will make faded gelcoat white again!

Instructions for use:

Use R-100 concentrated or mixed with water as needed. Do not exceed a 1:1 ratio. Apply with a soft brush or sponge. For best results, allow the product to work for 30 minutes before rinsing. Repeat the treatment if necessary.

Yellow stains often form on hulls, especially at the waterline. Algae, limestone residue, and shellfish are the culprits. To prevent foam and rust streaks, this stain remover for boats offers the optimal solution. Removing yellowing from Gelocoat and deck is made easy.

Application video:
https://www.youtube.com/watch?v=Oju-uFztNjo