Yes, but they might not be sufficiently abrasive to remove hard deposits.
https://www.scotch-brite.com/3M/en_US/scotch-brite/tools/~/Scotch-Brite-Greener-Clean-Non-Scratch-Scrub-Sponge/?N=4337+3294529207+3294631929&rt=d
Recommended Surfaces: Glass CookTop, Non-stick Cookware
Testimonial: "Thank you Brian. I've removed all the water in the bowl and let vinegar alone and combined with baking soda sit overnight quite a few times this past week and used the backside of a white plastic spoon to scrape it and got several layers of the crusted uric scale off in the opening at the very bottom of the bowl, but a much smaller patch still remains. I also tried the Earth Stone International pumice stone with handle but it is too large to get at that patch thoroughly in the very bottom opening so I thought I would try to break off a piece with a screwdriver and hammer to see if that can get the remaining patch. I also purchased 3m Fine Drywall screen yesterday to try, if the pumice piece does not work. Would you know if it would be better to try that also with all the water removed etc? I am a senior and was and am quite ill and in the hospital for some time and my unflushed toilet remained for months. I also have a well and have a lot of iron and limescale so I'm learning from various blogs that it is the worse combination. I certainly appreciate your time."
Hi Katie, hope you are doing better now that you are home. Yes, iron plus other minerals can result in tough, unsightly deposits. Vinegar (acetic and other acids) + baking soda (sodium bicarbonate) create a nice bubbling action, but they neutralize each other when used simultaneously. In my experience, either works slowly and incompletely, so some mechanical action is needed.
Not all ceramic glazes are the same. Some are so tough that you can lightly chisel off deposits. Others will be scratched by pumice. Either way, it can be a lot of elbow grease to remove and keep the deposits off. I've also seen pitting under removed deposits. Scratches and pits will become places where deposits can more easily form. Not much can be done about that.
I don't know what type of drywall screen you are considering. The nylon mesh which would not likely be sufficiently abrasive. Metal mesh would probably be too pokey to handle.
You can try breaking a chip off your pumice stone on a handle, sanding it down (on a brick or sidewalk) to a nice curve to fit contour of the patch and work with that. But you can also buy pumice stone without any handle. With luck, you may find some broken ones on the store shelf that they may sell to you at a discount.
On a somewhat more hazardous level, you can try CLR https://www.amazon.com/CLR-Calcium-Remov...
LIme-a-Way https://www.amazon.com/Lime-Way-Toilet-C...
or similar? Use gloves, eye protection, etc. Stay away from fluoro acids such as fluorosilicic acid. They work well but are too hazardous for consumers.
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Yes you can
such as Scratch-B-Gone or Bar Keepers Friend (see Tips).) on the scratches.75 views
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