Blue Planet Fluke & Tapeworm Tablets is a treatment for flukes and tapeworms in ornamental fish. Blue Planet Fluke & Tapeworm Tablets have been developed specifically for in water medication of fresh and saltwater fish. The tablets have been specifically formulated with inert excipients to prevent pollution of aquariums. The tablets dissolve rapidly, releasing 95% of the active (praziquantel) within 10 minutes.