Is it a space, or monetary issue?
If nothing else, hey why not 2 tanks?
Playing around with a mental images in a 20 long I'm waiting to scape.
And the Jar, for my Walstad setup just keeps staring me down.
Each generation imagines itself to be more intelligent than the one that went before it, and wiser than the one that comes after it.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.