Make your loo the best seat in the house with a long-lasting Bloo toilet block that you can rely on. Bloo in cistern block gets your toilet shining again with cleaning and foaming action, giving you a clean and fresh toilet from cistern to toilet rim to bowl, with every flush! Bring colour to your bathroom and turn your toilet water blue with Bloo Bluewater technology that actively cleans between flushes! With a concentrated cleaning action designed to prevent limescale, this toilet unblocker range cleans from the cistern to the bowl every time you flush for a long-lasting, hygienic clean.