
Amazing! I've tried so many products to get rid of the hard water that builds up on my glass shower doors - CLR, Scrubbing Bubbles, Mr. Clean and Magic Eraser, Pure Vinegar, Vinegar and Baking Soda - NOTHING helped. I applied 9 Elements heavily, let it dry for a few minutes and then scraped it off with an abrasive sponge. I've made it twice (since it's been about two years I've never been able to put it down) and now it looks brand new! It left a slight haze but washed out when I rinsed with water and wiped with a scraper. It also easily cleaned my coffee pot and the hard water ring around the inside rim of the toilet! I like the smell, a light lemon scent but not overpowering. I hardly noticed the vinegar smell. Overall I think this is a great product and works as advertised. I highly recommend!

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