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 200,000us gallons
• Diflubenzuron- 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 dosage
• Insect 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 applications
• Shakebottlevigorously for 30 seconds prior to dosing