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YES, I used SALT with myYES, I used SALT with my grapefruit-peel-dish-sponges on my Corning-glass-pots today. All the hard-water-rings wiped clean, down to the old, forgotten shine of the magic Jena-Glass ... :) After soaking them overnight with the grape-fruit peels inside, of course, but from that the hardened salts never wiped clean. The only way I knew how to remove them was by soaking in vinegar. I very much prefer the citrus-grove smell. Thanks, Kelster5. Next: I'll try it on the chrome.