Keep your toilet sparkling clean and fresh with this High Quality Blue Toilet Cleaner. Each pack contains 10 powerful tablets designed to dissolve easily and help eliminate stains, odors, and buildup with every flush.BLUE Toilet Flush Colourant colours, cleans and freshens your toilet with every flush. Lu Blue is great for use in every toilet as it colors the water blue and provides long lasting freshness time after time. With this product your toilet is sure of a clean and welcoming ambiance all day long. Simply drop into your toilet cistern at home or at office/work and enjoy.