my betta got this dark spot on his back a day ago and now his fin is getting slightly frayed. he acts completely normal but i'm worried. is this okay or should i treat with eSHa 2000? i have a catappa leaf but maybe i should replace it. i want him to be okay. thanks a lot in advance
https://www.reddit.com/gallery/1pj1n5e
Posted by elvirartuinstra