How to remove these stains?

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jaykay

New Member
Nov 21, 2022
27
Virginia
Best way to clean off these stains? I read ammonia, soap, and salt, but not sure if anyone has any experience with this? Our glass cleaner says for masonry aswell not sure if that would work?

[Hearth.com] How to remove these stains?
 
Best way to clean off these stains? I read ammonia, soap, and salt, but not sure if anyone has any experience with this? Our glass cleaner says for masonry aswell not sure if that would work?

View attachment 305206
My suggestion would be an alkyd primer and paint after wire wheeling off what you can get