When should I use Aqua Prazi? “praziquantel for fish flukes”

Treat with Aqua Prazi "praziquantel for fish flukes"every spring when you open your koi fish pond to protect them from koi fish flukes Springtime Koi Pond Care
Treat for koi fish flukes with Aqua Prazi two to three months before you close your koi fish pond down for the winter Koi Winter Pond Care
You should treat ALL new koi pond fish with praziquantel for koi fish flukes ASAP
Koi pond fish that are "flashing" (rubbing on rocks or the sides and bottom of your pond) should be treated for koi pond fish flukes with Aqua Prazi, praziquantel for fish
If you own a microscope you'll have no problem knowing if your koi fish have flukes, they show up very large under a microscope.