Is there anything better than cleaning a stained grout in your bathroom and restoring it to its original glory? Whether your tiles are white or coloured, maintain them for years to come with Zep's grout cleaner - a professional grade cleaner with intensive acidic strength to zap out even the toughest mold and grease stains. Simply apply to the grout lines and let it work for a few minutes before washing it off. Just use it with a grout applicator on tile floors. The best part? It keeps the grout colour intact!