how to choose the right Betta tank size
how to choose the right Betta tank size
I'm setting up a new tank for my betta and wanna make sure I get the size right. He's a halfmoon, pretty active, and I've heard conflicting advice on minimum gallons. What's the real deal?
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reefknight - Posts: 10
- Joined: Thu Oct 10, 2024 5:38 pm
Re: how to choose the right Betta tank size
A 5-gallon tank is the bare minimum for a betta, but if you can go bigger, do it. They thrive in larger spaces, and a 10-gallon gives them more room to explore. Just make sure it's heated and filtered.
Re: how to choose the right Betta tank size
Yeah, 5 gallons is cool, but bigger is always better. My dude's in a 10-gallon, and he's living his best life. Plus, you can add some chill tankmates like snails or shrimp if you've got the space.
Re: how to choose the right Betta tank size
Totally agree. A bigger tank also means more stable water params, which is key for their health.reefknight wrote: ↑Sat Jun 28, 2025 4:29 am A 5-gallon tank is the bare minimum for a betta, but if you can go bigger, do it. They thrive in larger spaces, and a 10-gallon gives them more room to explore. Just make sure it's heated and filtered.
Re: how to choose the right Betta tank size
Thanks for the input, everyone. I think I'll go with a 10-gallon then. Any tips on decor? I want to make sure he's got plenty of hiding spots.
Re: how to choose the right Betta tank size
Soft plants like java fern or anubias are great. Avoid sharp edges on decor since their fins are delicate. A couple of caves or driftwood pieces can give him places to chill.
Re: how to choose the right Betta tank size
I'd also recommend a gentle filter. Bettas don't like strong currents, so a sponge filter or adjustable flow works best. Keeps the water clean without stressing them out.
Re: how to choose the right Betta tank size
What about lighting? Does it matter much for the tank size?
Re: how to choose the right Betta tank size
Yep, and for lighting, just keep it moderate. Too bright can stress them out, especially if they don't have enough cover.
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RiverOtter_7 - Posts: 4
- Joined: Thu Sep 15, 2022 9:51 pm
Re: how to choose the right Betta tank size
I've got a 5-gallon with a betta and a snail. Works fine, but I do weekly water changes to keep things clean. Might upgrade to a 10-gallon soon though.