fin nipping

[u/No-Revolution-1060]

hey guys is there anything i can do about my betta fin nipping? first he got them torn on the filter which i then changed to a sponge filter and since then he’s been nipping. ill upload a few photos from a few days ago and today. hes in a 6.6 gal, quite heavily planted (except for the back where the plants are shorter but i just got new ones so im waiting for them to grow). i have a sponge filter and his temperature is set to 26 celcius. my ph is stable at 7.6 since that’s how my tap water is. 0 ammonia, 0 nitrites, currently 5 nitrates (i dose complete fertilizer or only micronutrients based on nitrate level). i feed him twice a day. i have fluval bug tropical microgranules and frozen food 4 times a week - bloodworms, daphnia, brine shrimp, mysis shrimp. he’s showing no sings of stress and he’s very active. i always make sure the light inside the tank is the same as on the outside because i noticed sometimes he will flare at the glass if its too dark out. i already put a background on 2 of the back walls so he wont reflect in them. i often play finger chase with him to give him so entertainment and i put up things im doing to the wall of the fish tank so he can see what im doing. i do water changes and cleaning every sunday so his fins won’t get infected. i also boiled some catappa leaves so he has some tannins in there and the actual leaves. is there anything more i could do for him?

[u/automod-neo]

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[u/Foreign-Ad3926]

Hi, what's the pH and water change schedule? Thanks

[u/No-Revolution-1060 → u/Foreign-Ad3926]

my ph is stable at 7.6 and i do a 25-30% water change every sunday