New hydroponics experiment. Turned an existing fountain/pond into a solar powered recirculating hydroponics tank. The A/C pump only runs during the day when the solar shed is producing extra watts, powered by an inverter controlled by a Shelly switch. Many koi in the fountain, producing way too much fish poop. #hydroponics

@ai6yr serious question: if your clay balls don’t float constantly, what did you do to stop them?

For the past couple of years, I’ve tried a flood and drain table, and the damn things always float. They say they shouldn’t, but they do, even after letting them soak for days, they still float

#hydroponics

@jonathankoren They always float. The water level here is set so that the weight of the upper balls (above water!) keeps the lower balls pinned down. You can't fill so much your plant starts to float.