DanMcD
Member
I was disappointed to find out that my standard height 1.6 gpf Drake 1 does not clean well. And I have the Sanigloss. If you get splatter on the back side of the bowl, the toilet water will not clean it off. In addition, splatter accumulates on the upper inside of the back wall. In both case, I have to frequently clean these areas by hand. This does not happen if there is no splatter. But splatter is common with older folks.