sbw1
Well-Known Member
- Oct 10, 2006
- 8,188
- Boat Info
- This is listed in my signature
- Engines
- This is listed in my signature
I've been using Tidy Bowl and hydrochloric acid on gel coat for many years to clean hard to remove stains. Yes. They are safe. Marinas use acid all the time to remove scum on water lines, lime, etc.