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- Dinafem Critical+ 2.0, Seedstockers BCN Critical XXL
Good point. And you are right, in most situations that is exactly what would happen. But, where I am located, on the side of a hill, good slope, I'm running the line up the hill, buried in a trench, covered in gravel. The gravel will keep dirt out. As far as water getting in, no problem. Just put a drain at the low end of the run, at the entrance to the house. All water will drain downhill, into the drain. The perforations are needed, in my thoughts, to help 'scrub" the odors. The air coming out should smell of earth, not cannabis. JMHO
If you use a sealed pipe (non-perforated) and feed it out into a gravel bed below the worm bed, the gravel and worm bed will remove all of the odour.