My poor betta has recently been biting at his tail and I noticed some damage on a front fin. I've done so many water changes and started a salt water treatment. I'm still relatively new to the whole aquarium thing. But I did a lot of homework before getting him. I've had him almost a year with no issues until now. I tested my tap water to learn that it has ammonia in it now when the last time I tested it, it didn't have any ammonia in it. It's not a large amount, but it is concerning to me and I feel like it's the reason his fins are getting damaged. The ammonia is a constant .25 on his water and my tap water now. I'm at a loss at what I can do. I could do the jugs of spring water, but it seems risky and it would be pricey overtime and I'm not made of money. Any help would be greatly appreciated.
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