How can you remove mineral and oxidization stains from precious art glass pieces that have been used as flower vases at some time in their life?
By jayded from Australia
Please don't try to clean it without knowing exactly what it is. Please try to find an antique evaluator if you have even a hint if the item has sentimental value. Some old glass has reactive material and will not take kindly to acid material like vinegar. If it is pieced together do not soak it. I work for an art museum but am not a curator. It depends on what type of material and how important/nostalgic it is to you and even the shape. If you must experiment try using mild soap and water on a soft cloth, which you may need to do multiple times. Beware of brushes. If you are okay with experimenting try a calcium/lime/rust remover product on a limited area, not soaking it. I have used these even in a coffeemaker.
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