Fish poop fish poop fish poop fish poop fish poop!
wait, fish poop! Fish farts?
fish poop needs to be bottled and sold, it’s quite magical,
@EMeyer! anthony posed the question, and the most obvious answer (to me) is fish poop (maybe their skin too?), frag plugs, our hands? As the means of introducing “some“
free bacteria in an otherwise sterile tank (new dead and dried rock, new synthetic SW). Anyway, I think I may have typed fish poop more than you did, fish poop, so at least we fish poop know we can get free fish poop bacteria somewhere. Fish poop.