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I have been treating my betta fish for fin rot but I have noticed a small white lump growing on one side of his gills. I've been using AQ Salt as treatment for the past 3 days (2 tsp in 1-gallon tank with 100% water change daily) and noticed little improvement. I was wondering what the small lump could be and if I am doing something wrong with the treatment. He seems to be more lethargic either hiding or floating at the top of the tank. He also seems to be eating less
Updated On March 21st, 2017
Pet's info: Fish | Unknown - Fish | Male | 0 lbs
Answered By Angel Alvarado, LVT 44
Licensed Veterinary Technician
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Without an image or exam it can be difficult to differentiate between fungal or bacterial infection vs a developing tumor. Continue treating with AQ salt. It may take a few more days before you begin to see improvement. If the fin rot is minor, you can use 1 tsp /gal of AQ salt. Severe rot can be treated with aquarium salt at 2tsp/gal. Keep the water temp between 76-768 F. Turn off the light and filter to inhibit bacterial growth and decrease water current. Use treated or "aged" water daily for the water changes. A home test kit should be used to confirm good quality water is being used each time. Treat with AQ salt for a maximum of 10 days. His behavior may be due to low water temps or a chemical imbalance.
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