This 20-gallon betta fish tank with filter also includes ... maintaining healthy pH levels for your betta fish. They accommodate aquariums with 10, 20, 30, 45 and 60 gallons of water, depending ...

The five gallon Fluval Spec Aquarium Kit is our top recommendation for betta owners. It includes almost everything you need to get started, provides excellent filtration, and is designed for betta ...