Sounds like a perfect excuse to get a second small tank, just for the fighter.........
Anyway, leave a cup of tapwater to stand for 24 hours, and then test its pH, it allows any CO2 to clear, and return the pH to its "proper" level.
I was thinking that too, I'll get this one up and running and then probably look at other tanks in the new year. Out of interest if I have live bearing fish in the tank, will they just run rampant. For example if i mix male and female guppies, are they going to breed like craxy and over load my tank???
If the tank is sparsely planted, then the chances are that livebearer fry will get eaten (livebearers aren't particularly good parents, quantity not quality is the order of the day). Even with plenty of plants, in a community tank, some fry will survive, but probs not that many. I used to keep platies and mollies in a community setting, and never so much as saw a single fry.