Betta Fish: Fell in love with this guy. If I were to buy him, please tell me everything I’d need (tank size, filter, heating, lighting etc)

Fell in love with this guy. If I were to buy him, please tell me everything I’d need (tank size, filter, heating, lighting etc)

https://i.redd.it/l0czidymynsd1.jpeg

Posted by CozyFrog419