Praziquantel Pet Medications

Fish Tapes is a pet medication that removes parasitic worms in ornamental and aquarium fish. Fish Tapes contains praziquantel which is a deworming medication. Both Fish Tapes and Fish Tapes Forte are available in sizes of 5 or 10 capsules.

Fish Tapes is a powerful and safe dewormer for ornamental and aquarium fish. A single bath in Fish Tapes is generally sufficient to remove internal worms and internal flukes in most fish. The medication begins working within hours to end infections and improve fish health and energy levels.

Benefits of Fish Tapes:

  • For both fresh and saltwater fish
  • Forte is over five times stronger than original Fish Tapes
  • Forte effective deworms ornamental fish ponds
  • Does not require water changes
  • Harmless to fish
  • Will not harm plant life or damage filters

Use Fish Tapes only as directed by your veterinarian.

Do not allow children to administer Fish Tapes.

Do not use at the same time as other medications.


  1. Change all or most of the water in your tank.
  2. Remove activated carbon and UV sterilization units from your tank. Continue with other filtration methods.
  3. Open capsules and distribute the contents around the tank edges or add directly into the filter box.
  4. Add 1 Fish Tape capsule to your aquarium for every 4 gallons of water.
  5. Add 1 Fish Tape Forte capsule to your aquarium for every 20 gallons of water.
  6. Allow your fish to bathe in the treated water for 5 to 7 days.
  7. Retreat if needed after 3 days.

Frequency of Use:

A single treatment is designed to last 5 to 7 days. Re-treatment is allowed every 3 to 5 days, when necessary.


Store Fish Tapes in a tightly closed container, in a cool and dry location, away from children and pets.

It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.

Fish Tapes contains praziquantel, an anthelmintic, to remove flukes and other parasitic worms in aquarium fish. Praziquantel works quickly to treat mild and severe infections, often eliminating worms within hours. Fish Tapes are available in regular strength and extra strength (Forte) for treating larger aquariums.

Fish Tapes Active Ingredient (per capsule): Praziquantel 34 mg

Fish Tapes Forte Active Ingredient (per capsule): Praziquantel 170 mg


Keep this product out of reach of children and animals. Do not use or store in or near open flame or heat.

Fish Tapes is intended for use in ornamental and aquarium fish only. May be used to deworm fresh and saltwater fish. Not for other animals or for humans.

CAUTION: Not for use in fish that are intended for human consumption.

Do not use in saltwater systems where Polycladida flatworms are being cultivated.

Do not use Fish Tapes in animals with a known allergy to it or to similar medications.

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