Tile floors and grout lines get embedded dirt, soap scum, and hard water deposits. This tile & grout cleaner spray for bathroom floor penetrates porous grout lines for deep cleaning. The 500ml bottle sprays a liquid. Spray onto the grout and tile, let it sit for three to five minutes, then wipe or rinse. No heavy scrubbing needed for stains. This heavy duty stain remover for ceramic & porcelain restores original tile color.Use this 500ml descaling solution for showers on floor tiles, shower walls, kitchen backsplashes, and entryway tiles. It removes years of built-up grime and mildew. Many people search for a grout cleaner that does not contain bleach. This gentle formula is safe for colored grout and natural stone. The spray nozzle provides a focused stream for precise application on grout lines.For bathroom floor grout that has turned dark, spray the cleaner directly onto the grout lines, let it sit for five minutes, then scrub with a grout brush and rinse. The grout lightens. For shower floor tiles with soap scum, spray onto the tiles, let it sit for three minutes, then mop. For kitchen backsplash tiles with grease splatter, spray, let it sit for two minutes, then wipe.For ceramic wall tiles in the shower, spray, let it sit, then wipe. For porcelain floor tiles in the entryway with mud, spray, let it sit, then mop. For stubborn stains, let the cleaner sit for ten minutes before scrubbing. This tile & grout cleaner is a smart choice for anyone who wants to restore tile floors without regrouting. Keep the large 500ml bottle in your cleaning closet for monthly deep cleaning of tile floors.