Crystals, when added to clean water, prepares and etches concrete, masonry, brick, stone, stucco and tile walls prior to painting. Removes efflorescence (alkaline, salt-like deposits), mortar stains...
Crystals, when added to clean water, prepares and etches concrete, masonry, brick, stone, stucco and tile walls prior to painting. Removes efflorescence (alkaline, salt-like deposits), mortar stains & form-oil residue.Unit: EA