Do the pipes buried in the ground need to be emptied for the winter to
prevent bursting? I am contemplating a series of valves in my design that
will allow me to close the pond off, and use the pump to suck the water out
of the pipes. I figured this would be good for cleaning and for winterizing.

Do you think it is an unnecessary expense?

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BenignVanilla
tibetanbeefgarden.com
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