Betta fish and tank cleaning tools

The sub forum dedicated to one of the most incredible fish in our hobby. Betta ask your questions in here!
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navline
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Joined: Mon Jan 17, 2022 9:49 am

Betta fish and tank cleaning tools

Post by navline »

What's the best way to clean a betta tank without stressing them out? I've got a 5-gallon with a sponge filter, and my fish seems to freak out every time I try to vacuum the substrate.
jubilant
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Joined: Thu Oct 10, 2024 4:03 pm

Re: Betta fish and tank cleaning tools

Post by jubilant »

I've found that smaller, more frequent water changes help. Instead of doing a big clean, try siphoning just 10-20% of the water every few days. Use a gentle gravel vacuum and avoid getting too close to their favorite hiding spots.
goldenfin
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Joined: Thu Oct 10, 2024 4:13 pm

Re: Betta fish and tank cleaning tools

Post by goldenfin »

Totally agree with jubilant. Also, make sure the water you're adding back is the same temp as the tank. Sudden temp changes can stress them more than the cleaning itself. I use a digital thermometer to double-check.
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BoldVoy
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Re: Betta fish and tank cleaning tools

Post by BoldVoy »

jubilant wrote: Sat Jun 28, 2025 7:10 pm I've found that smaller, more frequent water changes help. Instead of doing a big clean, try siphoning just 10-20% of the water every few days. Use a gentle gravel vacuum and avoid getting too close to their favorite hiding spots.
That's solid advice. I'd add that turning off the filter during cleaning can reduce noise stress, but don't leave it off for more than 10-15 minutes.
EonixFly
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Joined: Thu Oct 10, 2024 4:55 pm

Re: Betta fish and tank cleaning tools

Post by EonixFly »

My betta used to hide for hours after cleaning, but I started feeding him right after. Now he associates cleaning with food and swims around curiously instead of hiding. Maybe try that?
florapass
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Joined: Thu Oct 10, 2024 4:32 pm

Re: Betta fish and tank cleaning tools

Post by florapass »

What kind of substrate are you using? Sand is easier to clean than gravel, and it's less likely to trap debris. I switched last year and my tank stays cleaner longer.
Nebulon
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Joined: Fri Nov 24, 2023 9:54 am

Re: Betta fish and tank cleaning tools

Post by Nebulon »

goldenfin wrote: Sat Jun 28, 2025 7:47 pm Totally agree with jubilant. Also, make sure the water you're adding back is the same temp as the tank. Sudden temp changes can stress them more than the cleaning itself. I use a digital thermometer to double-check.
Exactly! Consistency is key. I also recommend using a water conditioner that neutralizes chlorine and chloramines. Seachem Prime is my go-to.
Rivera9
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Joined: Thu Oct 10, 2024 9:50 pm

Re: Betta fish and tank cleaning tools

Post by Rivera9 »

Dude, I feel you. My betta used to bolt every time I grabbed the siphon. Now I do tiny water changes while he's distracted by food. Works like a charm.
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navline
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Re: Betta fish and tank cleaning tools

Post by navline »

Thanks for all the tips, everyone. I'll try smaller changes and the feeding trick. Appreciate it!
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Moonlit
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Joined: Wed Oct 09, 2024 11:25 pm

Re: Betta fish and tank cleaning tools

Post by Moonlit »

I've heard some people use a turkey baster for spot cleaning. Less intimidating than a big siphon, and you can target specific dirty areas.
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