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Hydrated lime is not a necessary mortar ingredient. You can make mortar with just Portland cement, sand and water. The mortar that I used to permanently attach the brick and stone to my patios did not contain any hydrated lime. But adding hydrated lime to the mortar mix can be beneficial. The plasticity or workability of the mix will improve. When hydrated lime is added to the mix, the sand and the cement do not separate.
Buildings constructed with brick sometimes require cleaning. Cleaning may involve removing excess mortar from the bricks of a new construction project or removing efflorescence on an existing structure. Efflorescence is a stain on the bricks caused by soluble salts and other materials released from the mortar.Masons use muriatic acid to clean bricks. Muriatic acid is strong and is mixed with water. You can acid wash bricks yourself and save money.crub the bricks with the acid-water solution using a combination of vertical and horizontal strokes. Continue applying the solution until the surface is clean. Spray the brick wall with the garden hose.