everything I have read said the cyst stage can last from 3 to 28 days, then the rest of the life cycle is measured in hours upto a few days.
to get a Ich free tank you much remove any "host" for a min of 6 weeks and all the ich will have died, then the only way to get it back is to introduce it on a fish.
if you quarenteen for 6 weeks and there is no sign of Ich, then you won't get it.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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