My male CT Simon has a 10 gallon all to himself. I keep up with vacuuming and water changes since he's all by himself. My water tests are always perfect.
pH - 7.4-7.6
Nitrite - 0
Nitrate - 0
Ammonia - 0
I would like to get a tank mate for him, mainly someone to help keep the tank cleaner. I really don't think I want snails, cuz they multiple so quickly. Shrimp would be okay I suppose, but what kinds and how many?? Also I've been told some Cories can be a good idea. If so, how many is good in a 10gallon? It's filtered and heated. Also, are they other fish the same size or a tad bigger than bettas that are peaceful enough to be put with them?? I don't want to over crowd, or cause unwanted stress on any of the fish.