also 50 percent water changes every other day is enough with the pimafix.You dont want to dilute the pf to much..my gg had it alot worse then that and he pulled through just fine..good luck,that's a beautiful midas.hope he makes it.....
It looks like a case of body fungus, treat with a formalin/malachite green medicine or one that is based on nitrofurazone and malachite green. Check for PH fluctuations as well.
Please keep me informed on the status of your midas.I'm very interested to see how it comes through.shouldn't be a problem as long as you stay on top of it..(pimafix)can't go wrong.remember my giant gourmi had it three times as bad and it went away.I thought he was gonna die.it did kill my blue channel cat.but i think it was he didn't have scales.remember i'm not an expert but that's what worked for me.