If you can’t figure out what was used, don’t start cleaning with harsh chemicals like muriatic acid. Instead, start with ...

There seems to be a limitless number of products available to clean, strip ... such as brick, tile, concrete, and stone. Mix one part muriatic acid to eights parts water, then spray or brush ...

Learn More › The first thing to know about cleaning concrete? You don’t need to go easy on it. After all, it’s one of the most durable building materials used in modern construction.

concrete, and stone. Mix one part muriatic acid to eights parts water, then spray or brush the solution onto the moldy area. Wait a few minutes, then scrub well with a nylon brush. Rinse the area well ...

concrete, and stone. Mix one part muriatic acid to eights parts water, then spray or brush the solution onto the moldy area. Wait a few minutes, then scrub well with a nylon brush. Rinse the area well ...

With the right cleaning materials and technique ... hydrochloric acid, or muriatic acid. "They can etch or corrode the concrete's surface, leading to permanent damage," says Sokolowski.

Concrete is a tough surface, but because it is porous, it’s easily stained. Most spots are easy to clean if you know the ... you might have to use muriatic acid. This should be diluted with ...

Do not acid wash before acid staining. For old concrete, a thorough cleaning is necessary. Surface contaminants such as curing agents, glue, sealers, waxes, paint, oil, dirt, water repellents and ...

It's Easy to Clean Standard Concrete Floors Standard concrete floors ... Rust can be removed with a mild acid such as lemon juice or white vinegar. More stubborn stains may require treatment ...