Pufferfish are especially prone to internal parasites like tapeworms, but the dewormers only get rid of adult worms and do not affect unhatched eggs. Therefore, you must apply multiple deworming treatments to ensure all the eggs have hatched and are eliminated. For our personal puffers, we treat them with the quarantine medication trio and then wait two weeks. Next we follow up with a 5-day treatment of Fritz ParaCleanse (using the instructions on the box) and then wait a month. Afterwards, we use a 7-day treatment of PraziPro as our final deworming step. For more information on how to treat fish parasites, read the full article here.
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