Best Brite - Heavy-duty tile and grout cleaner with acid - 4 gallon case

Heavy-duty tile and grout cleaner. Use undiluted on ceramic floors, walls, toilet bowls, urinals & sinks. Contains acid. Heavy-duty acid-based tile and grout cleaner removes the toughest stains. Use undiluted on ceramic floors and walls. Use around toilet bowls, urinals, and sinks. Use full strength by hand or with a damp mop and rinse. Contains acid to remove the toughest stains.