Normal soiling : Use 10-20 ml in one liter of water. Gently mop the surface. No need to rinse. Heavy soiling : Use 30-60 ml in one liter of water. Gently mop the surface. No need to rinse. Keep all food container and vessels closed when sanitise the food area. Safe for surface : Ceramics, kota, franite, marble, tiles, kitchen platform,