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- #201
Sooner, I don't use metal waterers anymore, but my experience with them is the cookie tin is not hot enough to keep the metal waterers from freezing. Of course, I didn't try higher watt bulbs as we switched to all plastic waterers. They may work, I just can't confirm it - maybe with a higher watt bulb. They are also a bit small for some of the bigger metal waterers and you risk tipping.