New answers tagged winterizing
The curb stop and the portion of pipe between the valve and your house should have been buried below the frost line for your location. There may be some freezing in the portion that is inside your house, but if you only have a short run and you leave the valves in your house open, the ice can push along inside the pipe.
There should be no permanent cosmetic damage unless you have something seriously wrong with your liner (in which case the damage is already done). Replacing water is very rarely the solution for algae. In practice you can just leave it until next season. Of course make sure it's winterized — i.e., if you're in a freeze zone ensure all lines, pumps, ...
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