Miracle Sealants Industrial Strength Grout Cleaner and Brightener, Quart, 6 Pack
 
DEEP CLEANS AND RESTORES STAINED AND DISCOLORED GROUT AND TILE: Ideal for grout, ceramic tile and porcelain tile in bathrooms, kitchens, walkways and floors 
PROFESSIONAL STRENGTH ACIDIC CLEANER: Heavy-duty formula effectively dissolves heavy stains, grime, rust, soap scum, mineral build-up and other tough soils 
BRIGHTENS AND RESTORES OLD GROUT: Enhances the look of various grout and tile surfaces 
INTERIOR AND EXTERIOR USE: Works on both indoor and outdoor surfaces 
1 QUART COVERS UP TO 720 LINEAR FEET OF GROUT LINES: Coverage varies based on substrate, texture, porosity and application methods