curling fins

Help! Ciel is a tail biter and I'm trying to get him stop. I thought I did already for a few days, but then I came home to a lot of new damage. I think it might be because I skipped a meal today. I had to be away from home the entire day because there was a really important conference, so I fed...

When I first brought Lauda home on February 5, he had a few parts of his fin that looked stuck together. They were small though. Over the weeks, this has become an issue, and I can't figure out what is wrong or how to treat it. Since February 12 I've been using the recommended amount of...

So I was reading that the difference between hard water and soft water can affect the finnage of bettas. I read that hard water causes crowntails finnage to curl and I had noticed that that was what was happening to the edges of Humphrey's fins. My question is: what can I do to help them...