fun fact 999: coca cola will clean the hard stains in your toilet. Pour it in and let it sit overnight. EEWWW who the heck tried that to see if it would work and what the heck were they doing in the bathroom with an open coke to begin with? I think it would bring me 1000000 ants which would irritate me more than the stains. I know this tiny fact as it was suggested to me to remove hard water stains. I said shoot I was going to use CLR to do it (takes just a few minutes and no ants!).. not enviro friendly I was told. Ants? CLR? Ants? CLR? I still have the stain. Guilt hit me and fear.