Blue Planet Fluke & Tapeworm 100 Tablets For the control of fluke and tapeworms in ornamental fresh and saltwater fish. DIRECTIONS FOR USE: Do not use on fish intended for human consumption. Remove activated carbon from filtration system for best results. Use 1 tablet per 20L of water. Dissolve tablet first in a cup of aquarium water and the add to aquarium. After 48 hours of initial treatment, change 25% of water and clean filter media. Repeat dose rate after 7 days to prevent re-infestation. Do not overdose. If condition does not improve, consult your veterinarian. Warning: Use with caution when treating aquariums containing snails and catfish.