Why are my betta's fins curled and discolored? Is it fin rot?

Question

My betta's fins are curled and his left fin has changed color (silvery - like his body). I'm not sure if it's fin rot or something else. He eats twice a day and is still fairly active, although he seems less active than before. I've tried quarantining and using salt and added Indian almond leaf. Pet's info: Fish | Unknown - Fish | Male

Angel Alvarado, LVT · Accepted Answer

Check the water temp. It should be between 78 F and 80 F. Low temps can affect appetite and activity. It is also stressful which can caused clamped fins. Check the water chemistry as well. You can do this with a home test kit or by submitting a water sample to your local pet or fish store. Most will test water for free or for a nominal fee. Correct any imbalances using aged or conditioned water that is temperature matched to prevent further stress or shock. Ideal parameters are as follows: ammonia 0.25ppm or less, nitrites 1ppm or less, nitrates 40ppm or less.

Why are my betta's fins curled and discolored? Is it fin rot?

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