Aquarium with plant filtration system powered by fish poop (aka aquaponics)
Yet another design concept, though seems like there are definitely plans for this one to go into production next year. The concept is very simple, fish poop in the water, pump brings “soiled” water to filter through some river sand, bacteria converts “impurities” to nitrates, and finally the plants absorb the nitrates as food returning cleaner water back to the fishes. Now this has a couple of good target…