This is my project X. Our little secret. Only concern is hydrogen sulfide, if denitrator fails. I'm working on that, this display tank could be outside other option. Here's pictures in my lab, aka garage.
Simple can use sponge biological filter.
The backs the interesting part.
Back of tank, can you see sulfur prills?
Simple can use sponge biological filter.
The backs the interesting part.
Back of tank, can you see sulfur prills?