I saw once, "bottled water" or pop bottle type portable waterers. They were small, and would fit between between the gaps of 1 or so inch wire mess, and they were filled by a bottled water type bottle. I've been thinking these would work great and my birds would gain some coop space by replaceing their mason jar waterers, as these would hang outside their coops. Dose anyone know what I am talking about, and where to find them? I cant seem to find them anywhere.
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