Serum TG (Gallon) by Serum Systems - Tile and Grout Cleaner
Serum TG is designed to clean and brighten grout and ceramic tile. Simply spray SERUM TG over the area to be cleaned. Allow a few minutes dwell time and using a stiff bristle brush, agitate the grout areas you are attempting to clean. Rinse with clean clear water. Repeat in areas if required.
