I've only had my betta for a few days, so I haven't attempted to change his water yet. I know that I should be cleaning it at least twice a week, and I've been told that I need to do one 50% change and one 100% change. I'm thinking that I'm going to do a 50% change on Wednesdays and a 100% change on Sundays. Is that enough?
Also, I was wondering how to change 50% of the water in a 1 gallon tank. Do you just pour out about half of it? I've read about siphoning water from the bottom, since that's where all the nasty stuff goes, but I don't know how well that would work with a 1 gallon tank.