When it comes to tackling the most stubborn black stains and mildew in your bathroom, try our Harpic Floral Disinfectant Bathroom Cleaner. Its powerful formula helps remove the toughest of stains including black stains. This thick liquid with powerful cleaning agents removes tough stains, and kills germs for a fresh, hygienic bathroom. It can also be used as a tile cleaner, basin cleaner, or even bathroom floor cleaner, and is safe for use on most bathroom surfaces including tiles, baths, shower panels, ceramic surfaces, stainless steel, and granite. So go ahead and buy this product online today!