Does hyposalinity really work for ich?

[daniella3d]

Hi, I have a hippo tang in quarantine with a little clownfish and it has ich. I have been lowering the salinity from 1.025 to 1.09 over the course of one week. yesterday was at 1.012 and today it is finaly at 1.09. The first day I got the fish it started to have a few white spots, but only 2 on one side and 1 on the other side. Today there was a lot more popping out on both side so it is much worse. I would think that with the lower salinity it would go away?

The clown fish seem to be free of the infection, only the hippo (ich magnet) is covered in white dots. Does the hyposalinity really work? I use a well calibrated refractometer ATC, with temperature compensation control.

After I saw all these white spots I put half dose of Seachem Paragard as well. Fish has a great ogre appetite and eat fish roe, nori soaked in garlic, frozen cyclop etc.. Both have huge appetite but I am still worried that they white spots have come back stronger

It's not velvet because the dots are quite large, not powdery looking.