Taurus Lime Efflorescence Remover is an acid-based formulation that effectively removes efflorescence from ceramic and porcelain tile, concrete, brick and stone surfaces as well as cement grout. Taurus Lime Efflorescence Remover can be used on the following masonry surfaces: brick, masonry, limestone, sandstone, flagstone, concrete pavers, travertine and most other non-polished masonry surfaces and wherever the white haze of efflorescence becomes visible.