Cover the smear with carbolfuchsin dye. Carbolfuchsin a potential carcinogen. Please wear gloves and work with the stain in the hood. Place a piece of paper towel on top of the dye. Be sure the paper ...
Stains below the water line or in streaks where ... are up to 10 percent hydrochloric acid, also known as muriatic acid. Other cleaners use different acids. CLR Calcium, Lime and Rust Remover ...
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