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Old April 22, 2018   #46
Dutch
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Join Date: Jan 2011
Location: S.E. Wisconsin Zone 5b
Posts: 1,831
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I see four likely problems but I need more input.
Do you have year round house plants in the house?
If so is your heating system forced air or use fan(s) to circulates the air?
How humid is your house inside?
Dutch
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The intuitive mind is a gift, and the rational mind is a faithful servant. But we have created a society that honors the servant and has forgotten the gift. (paraphrased) Albert Einstein

I come from a long line of sod busters, spanning back several centuries.
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