The vertical nipples freeze because part of the metal is actually in the water. The horizontal nipples don't freeze because they are not in the water.Question: for very cold temperatures, wouldn't the horizontal nipples freeze up because they are further away from the heat source? I have vertical nipples on the bottom of a bucket...but ive been curious about the horizontal nipples as well. I just picture the vertical nipples being directly below the water and heater, so they should stay free from ice. I dunno. Anyone with experience on this? This is our first winter
I use a 5 gallon bucket with horizontal nipples. Link to making one is at the bottom of my post. To keep it from freezing, I made a cookie tin heater. Now, we don't get as cold here in East Texas as some of you, but I know of people who use the cookie tin that live up North and have no problem with it. They just use a larger watt bulb.
I thought I had a pic of it in use, but apparently not. Here's the link to making one: Cookie Tin Heater . I plug it into a thermo cube I bought off of Amazon. It turns on at 35 degrees and off at 45. It worked great last year down into the teens.
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