Well balanced blend of PURE ACID , which is highly effective for all types of tuff stains. Purity of the materials doesn't leaves black / yellow staim on cleaning.

Application

This industrial strength acid cleaner will remove embedded mineral deposits and carbonaceous soils such as rust, calcium, urine stains, soap scum and efflorescence from man-made tile and cement grout. Can be used to etch hard-to-clean grout by removing a super fine layer, leaving your grout sparkling bright and clean.