I just rescued this betta from my sister, she kept him in really bad conditions for quite some time and I'm trying to help him back to normal, but I need some help.
What size is your tank? 12g
What temperature is your tank? 80-82
Does your tank have a filter? Yes, a Tetra Whisper 10i
Does your tank have an air stone or other type of aeration? No, it does not.
Is your tank heated? Yes.
What tank mates does your betta fish live with? 2 Ember Tetras
What type of food do you feed your betta fish? I feed him Hikari Betta Pellets, Frozen Blood Worms and he occasionally eats some Omega-One flakes when I feed the tetras
How often do you feed your betta fish? Daily, except for on Sunday.
How often do you perform a water change? At least once a week, but as of lately everyday or every other day.
What percentage of the water do you change when you perform a water change? 25%-50%
What type of additives do you add to the water when you perform a water change? I add Prime with each water change.
Have you tested your water? If so, what are the following parameters?
Hardness: Don't have a test, but I've heard that it's in the lower range.
Alkalinity: Don't have a test, and I have no clue.
Symptoms and Treatment
How has your betta fish's appearance changed? He was like it when I received him a little over a week ago.
How has your betta fish's behavior changed? Not much from what I remember, he does like to hang out in the top corners and float there.
When did you start noticing the symptoms? Before I got him, about 2ish weeks ago.
Have you started treating your fish? If so, how? The only thing I've done is change water. I'm a little scared about putting salt in the tank when it is planted.
Does your fish have any history of being ill? I don't know.
How old is your fish (approximately)? I think he is around 3 years old.
Here are some pictures of Benito: