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Betta fish - circular growth on caudal fin

Alex B

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First time poster here (and an existing customer).


Please help me figure out what, if anything, I can do to help my Betta.



Tank first set up in March of this year.

10 gallon tank; heavily planted (Anubias, Java Moss, Red Dwarf Aquarium Lily, Duckweed); not overstocked [four Peppered Corys, one Oto (another one died some two months ago) mystery snail, ramshorn snails (small population, under control)]  

Water Parameters:

Ammonia: o ppm

Nitrites: 0 ppm

Nitrates: around 10 ppm

PH: 6.4 (has never gotten higher than this)

Hardness: Hard (150-300 ppm, thanks to Wonder Shell)

KH: 0 (has never been higher)

Water Temperature: 78


Thank you in advance!



Edited by Alex B
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On 10/27/2023 at 4:06 PM, Alex B said:

Thanks for your reply! Didn't the salt hurt your plants?

Have seen these lumps before they respond well to a small amount of aquarium salt 1 table spoon for 6 gallons salt as that level shouldn't harm your plants and add some Indian almond leaves as they have antibacterial and antifungal properties @Alex B

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Yeah, I know that's how I should do it. Thing is, I've never used a quarantine tank before, and I don't have the extra equipment to set one up.
I did add a third catappa leaf to the tank, hopefully that'll help the fish.

Thanks again, I appreciate the advice!

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