Fungus, Ick or something else??

[Colin_T]

148ppm is a bit soft for mollies but it isn't causing this.

 

[Kelly Preussner]

He seems to be doing much better now! I changed the water & added the salt. I will change water in 1 week but keep the salt. Should I do a 50% water change in a week & then how much salt to add back in, half?

 

[Aussie_Bristle]

He seems to be doing much better now! I changed the water & added the salt. I will change water in 1 week but keep the salt. Should I do a 50% water change in a week & then how much salt to add back in, half?

Yes half of the full dose.