Water Spot & Multi-Purpose Cleaner (20 Ounces) Clean with The Power of Genuine Diamonds! Professional Cleaner/Hard Water Stain Remover. Made in The USA!

Have tried everything I could think of to get hard water stains off of my glass shower door. All required hard work and still didn't do the job. I have a waterproof shower scrubber. Put some of this on the scrub pad and went to work on the doors. I wish I had found this sooner. No harsh smell and truly got rid of the water stains. Alot of the product is not needed however I am getting a second bottle in case I can't find it online again. Seemed costly when I purchased it but worth every penny. I highly recommend this product.

Bought this to take of a couple of years of water staining on basement windows. I wish I had taken pictures, because the windows had a heavy calcium deposit that nothing else could get off. This stuff worked like magic!!! I am nervous with any product on windows, I'm always worried about scratching. This cleaner did wonders! Being very careful to follow the instructions, we carefully did a few applications and was able to get 99% of the buildup cleaned off! We may try again later this summer and see if we can get that to 100%, but we are so happy with how it worked. There was no scratches or marks on the glass, just clear and clean! This product is not cheap, but if you have a difficult buildup and worry about your glass, THIS WORKS! And we used very little of the bottle and still have much left over for other applications. Bottom line, if you are particular about your windows, this is the product you want.

Had hard white marks on windows from irrigation system recycled water. This stuff made it pretty easy to get rid of the marks with very little elbow grease!

I have used this on just about everything. It removes stains and makes things shine. Use only as directed

I have a shower door that probably has near 15 years of hard mineral water deposits on it. I have tried every cleaner and even steam. Just nothing. While I used just Diamond Magic, a rag, and elbow grease to get a small section off I ultimately used my Griot's Garage 6" Random Orbital to save some time. While it saved a ton of time and energy PLEASE TAKE precautions like hearing protection (normally you don't need to but shower walls are hard and reflect sound), eye protection in case some Magic Diamond flies off orbital into your eyes, and most importantly appropriate safety measures when using electrical devices near water. With the orbital it took me an hour but the glass looks brand new. See the photos of before and after in the same spot. Night and day difference. Could never have accomplished this before with other products. Removed all deposits albeit the edges of the glass by the frame are real tough to get clean. No scratches to the glass that I could see either. I will be using Diamond Magic from now on and referring strongly to friends.