My fish has fin rot. How do I properly treat and care for him?

Question

My pet fish recently got sick and I am sure it is fin rot. His color is turning pale and his fins seem to be falling off and getting shorter. He also twitches and swims aggressively sometimes. I have been using betafix for 2 days now (I pour 9 drops in his bowl) but I now want to use melafix since it specially mentions to use when fish have fin rot. Should I change his water first or wait a few days before switching medicine? I am also not sure how much of the Melafix to pour in his bowl. Thanks. Pet's info: Fish | Betta | Male

Todd Cecil · Accepted Answer

Thanks for reaching out about Tony and including photos. First, test water quality for pH, ammonia, nitrites and nitrates, as poor quality is often a primary cause of fin rot. Betafix and Melafix rarely improve things, so are not recommended until a diagnosis can be made. If water quality is correct, review diet as vitamin C deficiencies can also cause similar problems. Food pellets should be replaced every 3 months. Good luck.

My fish has fin rot. How do I properly treat and care for him?

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