Bloo Toilet Blocks Original Blue is an improved formula with a stronger perfume for a fresh fragrance. Once flushed, the blue water will ensure a visible cleaning. An intense cleaning foam, it is made for up to 800 flushes. With its active ingredients for limescale prevention, it ensures sparkling clean toilets. The toilet blocks can be put in the cistern for cleaning each time the flush is used. Pack content: 2 x 50g. Preparation and Usage: Simple application: place the cube with the film in the tank on the opposite side of the water flow. The film dissolves in the water. Keep the second cube inside the package until the first one is used. When cleaning the tank, please wear special gloves. A.I.S.E. Warnings: Keep away from children: keep away from eyes. If the product gets into the eyes, rinse thoroughly with water.