Try the UK’s No.1 Toilet Block: Domestos Power 5. It will leave your toilet clean, shiny, and smelling fresh. Power 5 Toilet Blocks are more than a toilet freshener. These powerful rim blocks are loaded with not 1, but 5 key benefits for a mighty clean and with extra freshness. Use Domestos Pink Magnolia Toilet Rim Block 1pc for a cleaner, fresher-smelling bathroom.