Image: NYT
When we brought the goldfish in from the plastic pond in the backyard last fall, they had doubled in size. So we picked up a second tank to keep them in. Our tanks are self-contained: rocks, plants and fish in their own ecosystem, without filters. (We change half of the water and wipe the tank down every week.)At one point we gave a thought to putting at least one of the 10-gallon tanks on the shelf by the back sliding door, where we had our hydroponic set-up last year, and trying to grow veggies on the top of it. We never followed through. (As a side note, for the first time in my experience the boxes of dirt-planted herbs I brought in last fall are still doing going strong indoors this winter.)
However, this New York Times story describes an aquaponic experiment very similar to what we were thinking about. Given how wet our property is, we don't need to grow in tanks year-round, but maybe we'll give it a try next winter.
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