HG Masonry efflorescence remover

Masonry efflorescence remover Building mould, also known as efflorescence is easily removed with HG masonry efflorescence remover. The cleaner should be diluted 1 : 4 or 1 : 10 with water, depending on the severity of the mould. First, dampen the wall; using a garden hose if necessary. Then, using a brush, apply the diluted solution to the wall, spreading it evenly over the surface. Allow a few minutes for the cleaner to penetrate, then thoroughly rinse the surface with clean water.