Stonecare4U Efflorescence and Salts Remover is a high-performance formula for cleaning all types of external masonry, brick, granite and other natural stone surfaces. Certainly, this powerful and fast-working formula is easy to use with a sponge, brush or sprayer. In short, it dissolves and acts as an efflorescence remover and cement mess from non-sensitive surfaces. Please Note: Efflorescence and Salts Remover is unsuitable for polished or finely honed stone surfaces which are sensitive, such as limestone, marble, manufactured stone, etc. COVERAGE: 15m² to 30m² per litre. Coverage areas will vary depending on the extent of the contamination. KEEP OUT OF THE REACH OF CHILDREN