In our tireless quest to fully comprehend the mysteries of Weird Soda, you may recall that we at the Lab began noticing series of raised bumps along the bottoms on various soda bottles (an attempt at decoding was made in our review of Vernors). Having done a bit more research, we have found that these bumps are apparently a code used to identify the mold from which the glass bottle was made. Presumably, this helps the bottler identify the problem area if a series of defective bottles come off the line. This info is provided in Wikipedia, as well as in several question-and-answer sites around the Web. Some folks call it a "mold code", which should not be confused with the specific heritage of the bacterial/fungal mixture used in each batch of Kombucha. I don't want to know how that is identified.
I suppose we could include the code for each reviewed soda, but that would be a lot of work.
I think "Bottle bottom bumples" is a good name for these mysterious messages.
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