Gardening Experiment Journal

Built a proof-of-concept today. I don’t even know what this is–a mini-chinampas-inspired tub concept? Or is this something everybody already knows about and I just can’t get the right search terms to spit it out? Or has everybody tried this already and failed and now we all know better except me?
Well, I had pond liner and a whiskey barrel planter and Azolla caroliniana and I’ve been making grow bags, so let’s see what happens.
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