Check the listing for details. Dimilin -X Koi & Goldfish Treatment: Anchor Worm, Fish Lice flukes diflubenzuron. Condition: New. Listed at 64.99 USD. This listing is for one Half Gallon Bottle You've asked for it, now you've got it. The fish farmers "Trade Secret" for ridding all anchor worm, fish lice and most flukes. Now available for the hobbyist for koi and goldfish pond treatment. One teaspoon treats 500 us gallons - must shake well One OZ Treats 3000 us gallons water.active ingredient is diflubenzuron and one 1/2 gal bottle treats 200,000 us gallonsDiflubenzuron - Benzoylphenylurea Compound Best Known Effective Treatment for Argulus (Fish Lice), Lernaea (Anchor Worm), Ergasilus (gill maggots), Flukes and other Copepod crustacean parasites.Non toxic to fish, plants or biofilter even at 10x recommended dosageInsect gyrase stops crustacean molting, ending life cycle of parasites you can see such as anchor worm and Fish Lice.Mixed with surfactant providing efficient dispersion and absorption for practical pond treatment applicationsShake bottle vigorously for 30 seconds prior to dosing Dosage Rate:One Tsp. Treats 500 gallons water (1900L water). Large Ponds, administer one bottle per acre-ft. For Example, a pond is 1/4 acre and 4 ft average depth, use 1/2 gallon treatment.Treatment Instructions: Shake Well for 30 seconds. A white precipitate at the bottom of bottle may be present and is normal prior to agitating. Disperse evenly around perimeter of pond or at location where water is turbulent. Reapply After 3 - 5 days to exterminate any new copepod hatchlings to completely end their life cycle. Maximum Treatment is three dosages per Month.PAYMENT: PayPal is preferred; other payments may be accepted but please inquire. SHIPPING: We ship with United States Priority Mail. Monday through Saturday. QUESTIONS: Email us here on eBay messaging System. Add a map to your own listings. FREE Trial!