I purchased diamond finishing pads for a fire pit, these were on Amazon very reasonable price. They go from 80 grit to 10,000 grit. The 10,000 grit, with water and a slower speed on my angle grinder works real well. After I bought this I have seen other alternatives that are hand polishers with replaceable pads that go to the 10,000 grit range. This is the range you want for a glass finish. Before you ask, I did this for myself, I will be glad to discuss, but I am currently not interested in doing this for others.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV.
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