Hey guys. Does this look like fin rot to anyone? I just now noticed it. His ends of his fins have always looked a little tattered but never this bad. If this is fin rot, what treatment can I do? If you need better pictures I can try and get some
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In this photos, it does not look like fin rot. Just in case, do a massive water change. Clean water = disease-free tank. Most people don't do adequate water changes (in my experience). Also, bettas tend to get a bit raggedy. Are those spikes on the pineapple heard enough to fray fins? Also, bettas like plant cover on the surface. Some of them like to sort-of lie down on the plants. They get nervous & stressed without adequate cover, which can leave them susceptible to issues. I've been keeping them (just for fun, not breeding) for 50 years (since childhood) & have had excellent luck keeping them in 5-10 gallon tanks with tons of cover & a few peaceful roommates. So you might try adding more real or artificial plant cover to see if your betta becomes less furtive & frayed.
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Here's one of my own favorites:
