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What's the best tank size for a Betta fish? Is 6 gallons enough?

Updated On September 23rd, 2025

Pet's info: Fish | Unknown - Fish | Male | unneutered | 10 months and 20 days old

I keep my Betta Fish in a 6 gallon tank. Is it to small? Do I need a bigger tank? Thanks!

1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on January 24th, 2018

A 6 gallon tank is fine for one Betta. You don't want to go any smaller than 5 gallons unless you want to perform frequent maintenance. Be sure to provide adequate filtration, low current and proper temperature (78F to 80F).

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