Hello I noticed tonight that my betta has a scratch of some sort on his scales. I was wondering if this scratch on his scales looks bad? Will I need some sort of betta skin repair cost or would I be able to get away with just water changes? Again it doesn’t seem like a deep scratch it’s just...

Our Betta, Clyde, looked fine last night. Have yet to test the water conditions but that is going to be the first thing I'm going to do. His tank is about at 78 degrees and we have a heater to keep it from fluctuating. We have a filter and have been doing water changes about twice a month. I...