Staining 20 year old concrete floors? Any tips?

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Old 05-30-16, 02:04 PM
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Staining 20 year old concrete floors? Any tips?

Any tips / advice on staining 20 year old concrete floors? Someone suggested muratic acid to open the concrete up?
 
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Old 05-31-16, 03:15 AM
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As in an acid stain?
Muratic acid will open the pores on slick concrete but it's not something I'd want to use inside a house.
 
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Old 05-31-16, 08:40 AM
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Lot of ventilation if you use muriatic acid - like open all the windows AND have a couple of fans creating a breeze through the space.
 
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Old 05-31-16, 12:10 PM
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Very dangerous to use indoors.
 
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