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REPORT ABUSIVE REPLY
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Message Subject
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How I grow food year-round despite harsh winters
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Poster Handle
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Anonymous Coward |
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Post Content
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Fantastic job bro!! I work in a hydroponic lettuce half tunnel. I have a permaculture background and got inspired to create one more self- sustaining, and you nailed it!!! So happy to see you photos, it looks amazing. Question- how do you collect the water that filters down thru the river gravel? Is there a liner or something not pictured? And, do you just let it gravity drain out of the fish tank strait into the gravel bed?  Thanks for the kind words :) Yes, I use a thick pond liner under the gravel to hold everything in. When I originally built the system, I pumped out of the grow bed into the fish tank, and allowed the fish tank to gravity drain back into the growbed. This past winter the system got a leak, and to make a long story about complications short, the easiest engineering solution was to drop the fish tank water level by about a foot and reverse the flows, so now the grow bed is higher and I pump out of the fish tank and allow the water to gravity drain from the grow bed back into the fish tank.
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