12 weeks without fish in DT and ich still came back without new livestock added. So flaw could be from any part of the life stages. So from my personal experience there seems to be a flaw somewhere. Maybe different strains? But 12 weeks didn't eradicate them.
Did you Quarantine and medicate the new fish before you put it back in your display tank? If not, that would be where the ich came from
03-26-2013, 01:17 AM
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