you could add some fish to your water reclamation tank for a small aquaponics system. Grow a few plants to feed the fish and this forms a closed system. There is no need to fertilize, the fish do it for you! Permaculture at its finest!
I like the angle braces. I think I'd add extra stability on the bottom with a larger base. Also, add the pull-up bar to the top. - Tap the pin if you love super heroes too! you will LOVE these super hero fitness shirts!