How about a big plastic tank of seawater and a couple of stainless steel electrodes? (johnquiggin.com)
One of the first crisp evenings of the season didn't discourage the neighborhood from coming out to take in the concrete triangles of Audra Wolowiec's installation here at Norte Maar, the insect filled plastic tank included in Rob Andrews solo show at English Kills, and nautical themed musings in Centotto's group show. (nortemaar.org)
For example, the Texas experimenters raised their frogs in glass instead of plastic tanks, at higher population densities, and at cooler temperatures, and they fed them differently. (discovermagazine.com)