Multi Purpose Cleaner and Professional Hard Stain Remover - 40 oz.

This stuff works on my glass shower doors, water stains are gone, we apply this once a week. cost is more but it works and the larger size should last us a long time.

It works perfectly! I used it on my 1920s house, which has older windows, and we live in eastern Idaho where hard water stains can be quite stubborn. I tried numerous products, but I would wholeheartedly recommend this one to anyone seeking a quick and professional-looking solution.

This is great stuff and it smells great! We use it to clean our sinks and our glass top stove.

I had purchased this product before and it keeps the bathroom glass like new. . .I've used it on windows and storm doors. Oprah has her favorite products. . . this is one of mine! You won't be disappointed. . .

I the reviews form this they talk about this scratching the glass if you are not carefull making it sound like this as any cutting ability at all. Did absoultly nothing for the water spots. A green scouring pad did better. The only way I see this working is if you went out there 10 minutes after the spots got on there. The other way is if your glass was already treated and the Vinegar would work just as well.