I have a septic tank odor which I believe is coming down from a roof vent on my house.
No smell comes from the drain field or the septic tank area. The odor is only noticable from south side of the house.
Does it make sense to try to raise the vent on the roof.
If so, do you have any suggestions on how high or what material to use. I was thinking there might be a smoke device that I could use to visually confirm that the odor is swirling down from the roof.
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