Homax GT22 Tile and Grout Magic, 13-Ounce Aerosol
TILE & GROUT MAGIC - Even the dirtiest, stained grout lines between tile are cleaned quickly with this disinfectant formula. Foams on to brighten color. Removes even subsurface grime, hard water stains, mold, and mildew. Safe on all tile and porcelain. No harsh adrasives or caustic acids to scratch. mar or dull fixtures.