Hello everyone! My bristletooth started having some white spots appear the other day after a power outage that shut off the tank for a few hours. Poor thing was stressed. At first it was a few, then more and then too many. I performed a 20% water change and tested the water, all good on that (0 ppm ammonia, 0 ppm nitrite, 5 ppm nitrate and 7.8 ph which I know is a little low but I have had this tank set up for several months now). I also added the recommended dose of prazipro and the color improved and started picking at the rocks again a little. However throughout the day I fiest noticed its slime coat sloughing off which made me think brook for a hot second. Thankfully that did stop within a few hours, but that also brought up the idea of perhaps mucus plugs? Then I definitely saw black ich which I know is turbellaria and is sometimes a secondary infection after velvet has set in place. My eyes are not as good as they used to be so I need ya'lls help! Does this look like ich or velvet? I have had velvet in other fish and this tang looked like it had a powder dusting earlier along with what looked like large enough trophonts. I have all the meds ready for pretty much everything and setting up a hospital tank as I write this.
I have also attatched a video which hopefully helps?
I have also attatched a video which hopefully helps?