My bettas (Francis) fins have suddenly started turning white and transparent at the ends. He’s usually kept in a 10 gallon tank with a canister filter but I have just switched to a bio filter and air stone because he didn’t seem to be a fan of how strong his old filter was. His water temperature is kept around 74-75°f. He is kept with 4 young mystery snails along with a moss ball, lucky bamboo, a small java fern and some duckweed floating at the top. He has constipation or bloat so I moved him to a temporary smaller tank to feed him peas to try and deal with that when I noticed his fins. I’m quite worried because I cannot find anything about what may be happening to him. He used to be quite active and now he hangs out at the bottom of his tank or on his curly lucky bamboo.