Trying this-Magic Eraser uses... did you know you can cut a piece off and float it in your toilet overnight and voila! no more toilet ring! -clean window screens (even when they are still in the window) The website has a list of about 100 uses!
Hard water stains are very unsightly and often extremely difficult to clean. There are several household products that can effectively remove hard water stains in the toilet without the use of harsh chemicals.: Baking Soda and Vinegar
How to get rid of that tough toilet bowl ring Pumie Scouring Stick $1.88 @ Walmart After seeing this on pinterest, I tried it personally. We have hard water build up in our toilets and we have tried everything organically possible. We have even tried chemical cleaners with no luck. This Pumie Scouring Stick rocks!!! It was so easy and our toilets look like new again.