I love that the product is working on my old hard water stains! Hakf of them came off within a week. The rest is sure to follow!
Haven't used it on a new toilet yet. But not impressed with it removing hard water and mineral stains in my every day existing toilet
I was skeptical about the Krazy Klean technology, but have such hard water and excessive lime scale, I thought I would give it a try. I cleaned my toilets thoroughly, then inserted Krazy Klean in the back tank. That was nearly a month ago and my toilets are sparkling clean. No lime scale ring whatsoever! It's amazing.

