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Forums Home > Installation by Floor Ty... > Concrete > phosphoric or muriatic acid?
phosphoric or muriatic acid?
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qualityfloors
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Joined: August 2008
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Posted: August 8, 2008 5:28 AM

Hi everyone. I'm doing a project in a customer's basement and I'm wondering what do you prefer.....phosphoric or muriatic acid when acid etching a concrete floor?
grandpabush
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Joined: July 2008
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Posted: October 29, 2008 8:51 PM

RE: phosphoric or muriatic acid?
Hydrochloric (muriatic) acid is very dangerous to work with as the fumes are very strong.

Phosphoric acid is less dangerous, but even better is Sulfamic Acid which you can get at a local home depot.

1 gallon covers 300 sq. feet.
Kenny Bush
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