Hydroponics + fish = aquaponics. SoI have a big fish tank made from a plastic container with a tarp with a 12v dc pump in it. The pump pushes the water up to the top of the gutters where the water goes through a bunch of volcanic rocks to clean the water and use the fish poop to feed bacteria that generate plant food. The brackets I used to attach the gutters to the wall are on my thingiverse page here: thingiverse.com/thing:26484

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