A 1/4 pound of Mystery Glass Shorts OP18a, a reducing color. Tested compatible.
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- There are no refunds or exchanges.
- Decoding the Mystery and the label
- 1st check the superscript on your label. R = reducing. You can stop here. This is all you need to know to use the glass.
- See the related products below to discover what family of test batches OP is in.
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