Originally Posted by e-cat
but what eats ick when its in its free swimming stage?
Nothing, only medications will have any effect on theronts
once released from the reproductive cyst. They have very little time to find a new host and infect, if unsuccessful within 12-24 hours they will die. The best method to eradicate ick from the main tank is to leave it fallow for at least 4 weeks. Depending on what stage the parasite was at when fish where removed for treatment it can take upto 2-3 weeks for the parasite to finally die off. The extra time is a buffer to be sure there are no "straglers"