When we lived in a mobile home years ago, our water pipes were exposed under the trailer. The first year we were there we didn't know about heat tape so our pipes froze. Since they only freeze in one area, we had to find the frozen part. To find the exact area that is frozen, take a wet cloth and run along the pipe. When you see crystals form on the pipe you've found the spot.
By Myst from Muncie, IN
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I forgot to insulate my pipes before the temperatures dropped. See how I fixed my big mistake without it costing me an arm and a leg.