No way of knowing how long it sit on the shelf before you purchased it. I had the same problem. The plug material would boil out of the hole sort of like a tornado. Tried to contact the manufacture and got no response. Went to DBA.
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Those that can do. Those that can't complain. Pimpin ain't easy, but it's mandatory.
Most things we like, we don't need. Most things we need, we don't like. Don't confuse your likes with your needs.