Muriatic acid is available at home centers and some hardware stores.

If so, etching the surface with muriatic acid should take care of that.

Muriatic acid could be handled in a suit with lesser protection.

The only thing stronger for removing stains from concrete is muriatic acid.

Otherwise wash the bricks with a mild solution of muriatic acid.

In extreme cases you may have to wash with a mild solution of muriatic acid.

If all else fails, the stains can be removed by washing them with muriatic acid.

I've tried cleaning fluid, muriatic acid, etc., but none have worked.

It used to be called muriatic acid.

Carlton swallowed muriatic acid immediately following the attack in an attempt to kill himself.

Muriatic acid is a mixture of hydrochloric acid and water.

If you bought the muriatic acid at a hardware store, the label will probably say how to dilute it.

The workman suggested a muriatic acid wash, but I am worried about the bulbs and plants.

Hydrochloric acid which you can find in a hardware store as muriatic acid would also work.

Try for example using muriatic acid (HCl) on copper metal, nothing will happen.

Scheele called the element "dephlogisticated muriatic acid", which is how chlorine was known for 33 years.

If still not satisfied, scrub with a muriatic acid solution of one part acid to three parts water.

If that does not work, wash the wall with a mild solution of muriatic acid, which is available at building supply stores and home centers.

If that doesn't work, you might try washing with a muriatic acid solution (one part acid to five parts water).

Horrified, the owner poured gallons of muriatic acid, a chemical used to clean the pool, into the water.

He applies muriatic acid to metal to develop shades of turquoise, blue, green or rust.

If this fails, you can probably remove the stains with a solution of muriatic acid (sold in hardware stores).

If so, they can be washed off with a diluted solution of muriatic acid: one part acid to five parts water.

Muriatic acid might not be especially pure HCl.

If these measures fail, try scrubbing with muriatic acid mixed with equal parts water.