Help porcupine puffer

[Why so serious]

My porcupine have ich and now he is laying under the tank please tell me what to do
I add copper half dose what the instructions says this morning I saw him breathing hard laying on the bottom of the tank

 

[Sharkbait19]

Puffers and other scaleless fish do not handle copper well. I’d get the copper out ASAP. Hyposalinity would be a safer option here.

 

[Why so serious]

Puffers and other scaleless fish do not handle copper well. I’d get the copper out ASAP. Hyposalinity would be a safer option here.

So I should clear the copper out ?
man’s lower the salinity ? How low the salinity should be ?

 

[Sharkbait19]

Yes take the copper out.

Hyposalinity

Hyposalinity Jay Hemdal 2021 This term refers to a long-term bath treatment for marine fishes in which the salt content of the water is lowered and held below the point that certain parasites can survive. The salt level reached, and the time of the treatment are the two variables...

www.reef2reef.com

Salinity should be slowly brought to about 1.009 and held there for 30 days.
#fishmedic