I don't think if it's just a local store. There are entire threads about where to buy fish and I doubt all stores mentioned are sponsors.
If it would be your store or product and you would be pushing it I could see it to be a problem, but not being allowed to share the name of some local shop would be a bit too restrictive. I mean, it's not likely that they get much business out of that anyway.
And if you go to the club forum section you find threads with list of local stores...
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