Updated On June 19th, 2017
Pet's info: Fish | Unknown - Fish | Male | unneutered | 1lb
Answered By Angel Alvarado, LVT 44
Licensed Veterinary Technician
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He may have some degree of fin rot. His pictures do not look like he has severe fin rot though. Most cases are caused by infection from poor water quality. Minor rot can be treated by maintaining good water quality and decreasing water flow/current. Perform partial water changes. Use conditioned or aged water. Make sure it is temperature matched to prevent shock. Bettas should be kept between 78 and 80 F. Plain aquarium salt (NOT table salt) can also be used at 2 teaspoons per gallon of water for 7-10 days. If the water changes and salt do not improve fin condition, consider a broad spectrum antibiotic. You can find several options in the aquarium section of the local pet store. Follow label directions.
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