Black moor white substance

[rsousa]

Hi, one of my black moors started to develop a white substance near the beggining of the tail, there is also one small circular white dot on the top fin. I noticed this about 4 days ago. He appears to be stressed, has been eating normally. Does't appear fuzzy in texture.

Ph: 8.0

ammonia: 0.25, I have other 3 black moors in the tank, same age and they are fine. I did a 50% water change today and stopped the feeding.

nitrate and nitrite at 0.

70 farenheit.

Not sure what this could be, I recently treated one of the moors with kanaplex and salt. Not sure if I should quarantine him and start on kanaplex? I attached a few pictures, thank you in advance!

[Colu]

I would do keep doing daily water changes and add a double dose of prime to help detoxify any ammonia till your ammonia constantly stays at zero I would quarantine also add  in some aquarium salt 1 table spoon for 2 gallons for a week if it's starts to get worse then I would follow up with a course of kanaplex @rsousa

[rsousa]

On 2/4/2024 at 9:11 PM, Colu said:

I would do keep doing daily water changes and add a double dose of prime to help detoxify any ammonia till your ammonia constantly stays at zero I would quarantine also add  in some aquarium salt 1 table spoon for 2 gallons for a week if it's starts to get worse then I would follow up with a course of kanaplex @rsousa

Will do! Thanks!!!