Quote:
Originally Posted by mrhasan
I know my tank has ich (I think almost every tank has some ich; its a part of nature and they only attack once the host gets weak enough; please do correct me if I am wrong).
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you are wrong

It's possible to erradicate ich from a tank if you understand the life cycle of marine ich.
Quote:
Originally Posted by mrhasan
So does anyone has any experience regarding ich and sixlines? Heard that mandarines and sixlines are like ich-proof but this really got me down 
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mandarin and wrasse have thick mucus layer and they frequently shred their mucus layer. That's why they seem to be hard to get ich. Hard, but not impossible.