Enzymatic cleaners are especially effective at cleaning ... Scrubbing Bubbles is another household name that offers a blue ...

A professional cleaner has shared her game-changing ... In the video, she coats the entire toilet bowl in the blue liquid, ensuring that the rim of the toilet bowl is also coated in Harpic.

Over time, copper oxidizes to a blue-green color ... You can also try using one of the top toilet bowl cleaner tablets between deep cleans. If The Stains Won't Go Away, What Should You Use?