Bring new life to concrete with OA-50 Oxalic Acid Powder Concrete Brightener and Rust Remover. Oxalic Acid Powder is highly effective in removing hard water, scale and rust stains from concrete, tile and grout. It’s perfect for pools, showers, patios, and sidewalks.
Remove hard water, scale and rust stains from concrete, tile and grout. Perfect for pools, showers, patios, and sidewalks. Sold as a powder, so you can make it strong enough for any job. One 50 pound box of Powder can make up to 400 gallons of powerful cleaner.
Mixing: Mix 1 to 8 ounces per gallon of water to make a liquid concentrate. Dilute the concentrate as necessary.
Chemicals ship Ground only ,arrives within 5 business days from date of purchase.
16 oz, 45 Lbs., 50 Lbs., 55 Lbs
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