Betta Fish Diseases and Emergencies
How many gallons is your tank? 1 gallon
Does it have a filter? yes
Does it have a heater? No
What temperature is your tank? 23 C
Does your tank have an air stone or other type of aeration? No
Does your Betta have tank mates? What kind? Nope
What food brand do you use? Aniwin small fish...