To remove hard water stains from your shower all you need is Barkeepers Friend. Also works well on enclosed cook tops.
By onelady from TX
I live in Hawaii and have used a product called MX-7 (for glass) on an old truck that had years of hard water spot buildup on all the exterior glass. It took the hard water spots off with little elbow grease. When my son bought a place in Las Vegas a year ago, I looked all over the valley for this product, but couldn't find it.
By Russell
Tried most of comments still didn't work on tiles in shower. Thought of 3m rubbing compound fine cut. A few drops on the tile and rub and it got most of it out first time. Went back over a second time and cleared up almost all of hard water stains over last decade. Next put wax on. (07/21/2009)
By john
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