Aquascape Praziquantel Treatment is used to treat external and internal parasites, flukes, flatworms, and tape worms in pond fish. Praziquantel is known to be one of the safest and most effective pond medications available for treating a wide variety of parasite issues. The treatment will not stress pond fish, damage filtration, or harm the biological balance of the pond. It is extremely important to resolve parasite of issues as soon as possible. Many issues can be linked back to poor water quality or the introduction of a sick or stressed fish. Before adding any medication to your pond or holding system, make sure you verify all water parameters and rectify any issues before treatment. One container treats 1,250 gallons of water. Aquascape is passionate about the products we produce, providing unique products, designs, and features that stand above the competition.