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It's just a basic 4'x8' wood frame(2"x6") with 5'x10' pond liner and filled with perlite(or pumice, lava rocks, etc) then it can hold water. The pots sit on top of the perlite and since they're fabric pots, water can transfer through and wick up into the soil. This just allows the soil to maintain the proper moisture level.
You may have seen it before outdoors, as an RGGS system, same concept but enclosed in PVC pipes for outdoor gardens.
And the science behind wicking. (Got me reading Wikipedia instead of working lol)
https://en.m.wikipedia.org/wiki/Capillary_action
You may have seen it before outdoors, as an RGGS system, same concept but enclosed in PVC pipes for outdoor gardens.
And the science behind wicking. (Got me reading Wikipedia instead of working lol)
https://en.m.wikipedia.org/wiki/Capillary_action
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