liquid smoke
...but this one must have been an absolute nightmare. Hope they had lots of sucker fish.
This fabulous fish tank was once a main attraction at the Liquid Potion Lounge, a long defunct coffee bar in Evanston, IL (my sort of current hometown). As the pictures attest, the fish did actually use the bridges/tunnels (I wonder which is the more appropriate word here) between the various tanks, but how much so is unclear. Benny and I have long wondered why aquarium manufacturers never tried to develop more interesting tanks and start a craze like Habitrail did with its iconic yellow gerbil tubing.…