Harpic White & Shine Bleach with Baking Soda deeply cleans, killing all germs and viruses, leaving your loo sparkling white clean. The formula provides excellent hygiene, eliminating E.coli and Rotavirus. The power of bleach with baking soda cleans brilliantly and returns your loo to its natural gleaming whiteness. Before regular cleaning 7 out of 10 people flush an empty toilet. Harpic is so powerful you do not need to pre flush to get the best result. And you can even save up to 1375 litres of water per year.