Hydrochloric Acid


Perfect for cleaning masonry surfaces such as concrete sleepers. 

More details

Mix a dilute solution of hydrochloric acid with water at a ratio of 1:20 and lightly scrub the survface of your sleepers to remove efflourescence (salt stains) and other surface stains. Rinse off thoroughly with clean water to remove the hydrocholiric acid from the masonry surface. Warning - stronger solutions can etch some sleepers. Test on a small area first prior to applying to the whole wall.

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