40 gallon freshwater native theme aquarium

This “low tech” planted aquarium that I set up a year ago features my North American native fish, a rockbass and bluegill (who I have had since juvies and affectionately named Rocky and Bullwinkle, respectively). They are very congenial and get along great together. I also love crayfish, so created a little sanctuary made of driftwood and stone–they are safe so long as they don’t venture beyond that! Being low tech, the specs are as simple as it gets: one striplight, low light plants, one …