This is awesome! If you don't mind, can you give a rough idea of the financials?
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That's really cool. I wonder if it could be further enriched by adding fish like some aquaponics systems. (No doubt there would already be detritivore and other invertibrate life, though). Does cooling the panels improve their efficiency?
Thank you, and yes fish could most likely be added, the immediate problem would probably be the fish eating all the azolla though. I was thinking you could ranch chickens and feed them the azolla, then sell the chickens which could be a value-added profitable time investment. The profitability comes down to how many need to be paid to manage and maintain the system. So if something like adding fish adds more value while not increasing the labor required too much, then absolutely. Cooling adds some efficiency when it's hot, not a huge amount, but more than nothing.
If we can remove the back pillar then the design would be even simpler, and harvesting would be much easier.

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