Ragged tail

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Stephen_B

Aquarium Advice Newbie
Joined
Aug 19, 2021
Messages
1
My first post, but I think I got the jest.

I have 8 males in a 20 gallon lightly planted tank with drift wood. Fully cycled 6 weeks before fish adds. Tank stable for last 6 months. 0 ammonia. 0 nitrites. 10ppm nitrates . PH 7.5ish. 10 dGH. RO/DI water remineralized and buffered. All fish were added at the same time with no dramatic spikes in ammonia or nitrites. EDIT: have had the fish 6 months since the tank was cycled

Ok now that the technical specifications are out of the way. I have one fish who’s tail has been ragged for the last couple months. Hasn’t gotten worse. Hasn’t gotten better. All the fish are healthy. I haven’t had ANY deaths. Thoughts?

The other one I just like to show off
 

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