Originally Posted by agmantoo
Since MissyMoo is in Newman, California I doubt that she will have a major problem with freezing.
Yes, and other people reading this thread will be in other zones where freezing may or may not be an issue so it is important to mention. Here in Vermont we have freezing about six months a year and sometimes snow fall every month (ugh) on rare years. The nipple waterers are great, and I have a bunch, as long as the temps are above freezing.
A problem specifically with the nipple waterers is that they act as a heat fin cooling even an insulated and electrically warmed system. This can cause freezing to come in the nipple, up pipes and into systems.
A suggestion is to use PEX or black plastic pipe with them or mount them on plastic water barrels. The metal pipe mounts often seen in the photos of these nipple waterers break in cold climates all to easily. Ice does nasty things to pipes.
Another trick I've done with the nipples for smaller pigs is I put three of the nipple waterers onto a five gallon plastic bucket. I fill the bucket in the house with warm fluid (milk, whey, water, tea, etc) and then hang the bucket out for the pigs. If they don't finish it off and ice forms I can bring that back in to thaw. None of the nipples got damaged doing this.
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