Assistance needed with treatment regimen

Wrench

New member
I have had what I call a mystery illness in my system for some time now. Recently it's gotten worse and a few fish have died as a result. Because of this, I will be QT'ing all of my fish and draining the system. It will remain dry for a month or so and fishless for 10-12 weeks total. The problem is that I'm having a hard time narrowing down the options when it comes to proper antibiotic treatment. I want to make sure I cover the whole spectrum to ensure the pathogen is eradicated.

Based on the information below can someone please recommend me an antibiotic treatment?

Symptoms-
*A couple of the fish have cloudy eyes. Have treated the system for flukes using PraziPro with no improvement.
*Ich is present in my system. Every now and then my powder blue tang will show a few spots.
*More recently I noticed on my blonde naso tang that there are black spots, red gills and torn/tattered fins. To me, this indicates a turbellarian infection as described in this article; http://www.advancedaquarist.com/2007/10/aafeature1. I believe this is the root of my problems. The symptoms are more visible on the lighter gray colored naso tang but not noticeable on the darker fish.


Treatment-
* I will be removing all of the fish tonight and placing them in a 100g rubbermaid tub with no sand and no rock.
*There will be large clay pots and large diameter PVC pipe for security.
*I will be using two large sponge filters and a Tunze pump for circulation.
* Treatment will consist of copper and an antibiotic of some sort.
 
If it is Turbellarian worms (black ich) then Prazi should have taken care of it. Did the fish with cloudy eyes have one or two cloudy eyes?
 
If it is Turbellarian worms (black ich) then Prazi should have taken care of it. Did the fish with cloudy eyes have one or two cloudy eyes?

The cloudy eyes are only present on the purple tang and it's one eye. That's one reason I thought the problem may have been flukes.
 
Black is normally affects Yellow Tangs. May be something else?

Everything I've read says black ich isn't picky and has been reported on different tangs, wrasses and angels. I'm not saying it's a positive ID but at this point it's the only shoe that comes close to fitting. I'm definietly open to other suggestions.
 
Normally I don't recommend freshwater dips but in this case it's what I would do. If it's black Ich you will see red little bugs falling off your fish. You will then need to siphon out your main or quarantine tank bc dead turbellarian parasites are toxic.
 
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