Thanks you Katty, I will try that today. Their tank is still very clean today (no wonder I cleaned it yesterday and put them in the water just a half day ago) and I also found some regular poop in their tank.
The tank is just a big bowl and has no filter. I was told Betta do not like moving...
Hello,
we have two Betta fishes in two separate tanks for a year now. Everything was very easy. We cleaned the tank weekly (sometimes we forgot and gave them fresh water and they were fine even after more than a week) and once when we were on vacation an older couple cared for them and after...