Hello everyone, so my tank finally finished cycling last week. Went and picked up my new and first betta. He's a male Crown Tail named "Tails" by my GF.
He seems to be happy in is home, it's 2.5 gallon with some plants and rocks. Going to pick up a terracotta pot for him tonight. A filter and heater are on the way. Heater wont be needed for a few months, even at night his tank stays at 80.
For now till his filter arrives, I'm doing 50% water changes daily to keep it clean. He's also come to recognize me already and stays on which ever side of the tank I'm on. Here he is:

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It's hard to tell, but his fins go from a shiny blue, to the red you see. As you can tell, he likes being in the camera.
I have one question tho, I plan on doing DIY co2, since bettas are labyrinth fish, are they affected by CO2 poisoning? Thanks
And thanks for lookin!