Keep your toilet bowl clean and fresh smelling with these Astonish Toilet Bowl Fizz and Fresh Pink Peony Fresh Tabs. Developed to do the hard work for you, the tablets have a powerful foaming action that works deep into your U-bend removing limescale, calcium and rust quickly. Working hard to eliminate stains below the waterline, the tablets leave behind a fresh peony scent and are easy to use - just drop a tab in your bowl, leave for 20 minutes, and then brush and flush.