>>13106771Water recapture requires energy to do, drawing moisture out of the air isn't as easy as you might think. The venting is a necessity as it brings in CO2 rich air from the outside. Besides, non-grow lamp setups require the sun, so they can't be stacked on top of each other.
It really is easiest just to use a lamp, minimizes water loss without fancy condensation setups, upwards scalable and more reliable than the sun. Hypothetically if fusion plants got set up and we had essentially infinite energy tomorrow, then expect agriculture to near-ubiquitously transition to hydroponics, with some exceptions like un-hydroponicable and organic crops. As it stands power is just too expensive.
