He is in a 20 gal by himslef and i feel like theres alot of wasted space, i have to wait for it to cycle, but...
Mo I have that chart printed out. And the plant one. I'm stocking a 30 gallon and 2 10 gallons and the charts are very useful!Yes, you could easily fit a school of about 12 cardinal tetras in there. I have made a Betta compatibility chart. But I don't think that any one uses it at all