Betta with...fungus maybe?

webcricket

(So chill.) No wonder it's freezing
Mar 22, 2006
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Syracuse, NY
I had a tough time getting my betta to accept any kind of food and finally found something that he will take...I think extra food that had dropped made his water a little less than ideal and I probably should have changed a bit more often than twice a week for him during that experimenting.

Anyway, he has developed some white spots on his pectoral fins - right in the middle of the fin. The fin is not rotting and this looks nothing like ich. More like a fluffy fungus or something along those lines on the front surface of the fin. I'm pretty sure it isn't ich as his tank has been a toasty 82 and the white stuff has been there approaching 2 weeks. Ich would have dropped by now.

Water parameters are good, ammonia 0, nitrite 0, nitrate less than 5, pH 7.6 (matches tap). I've brought the water temp down to a steady 76 since switching out the incandescent bulb for a fluorescent. He's got a Whisper 3i filter and a Hydor 25 watt heater. He acts normal and is now eating well.

Any ideas what this might be? And should I treat or let it resolve on its own if it doesn't worsen? The size does seem to be very slowly shrinking on its own now that his water is up to par.
 
well, it is most likely fungus of some kind, and adding a little aquarium salt to his water might help.
 
I agree with fishcatch, but I used a little sea salt in the tank (+ a fair sized water change) and this cleared my betta's fungus overnight.

If this doesn't work it may be time to consider a medication, but try the natural method first.
 
Id try lots of water changes to keep his tank very clean for a few days. If it didnt help, try some melafix.
 
I'll try a bit of aquarium salt for a couple of days and see how it goes before moving on to any medications. Thanks for the advice!
 
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