Andrew Spirits of Salts 5 Litre Clear SKU: 262153 MODEL: ALM0099 Error. try again later You've successfully joined the club $ 59 .98 each Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Used to remove mortar, cleaning and etching concrete and brickwork. Removing rust and scale from metal surfaces. Features and benefits Highly corrosive, strong mineral acid.