Yes the dead ones are toxic Lance. Thats why its best to siphon out as many as possible first and then have lots of floss or socks in the exit and change frequent and lots and lots of carbon.
I had to treat my 225g several times and usually over suggested dosage to eradicate most of them. My wrasse,s and mandarins cleaned up the rest I imagine or they just died out.
One of my large clowns back then, went bug eyed. Not sure if its the same but he recovered eventually.
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Doug
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