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Koi Pharma

Koi Pharma Pure Prazi - The Fluke Eliminator

Regular price $29.49 USD
Regular price Sale price $29.49 USD
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Pure Prazi - The Fluke Eliminator 

Skin & Gill Flukes, Very Common, Very Deadly, Very Curable if you know what to look for!

  • 100% Pure Praziquantel - NO FILLERS
  • The most effective treatment for skin and gill flukes in the world!
  • Absolutely NO temperature restrictions
  • Will NOT stress your koi or goldfish, or affect your bio filter
  • No Water Changes Needed 
  • Also effective against intestinal parasites!
  • Great for treating every Spring and Fall to maintain a healthier pond 
  • Mixes well with Koi Pharma® Pure Broad Spectrum

Are your koi lethargic? Do you see redness, irritated skin, excessive mucus, isolation or weakness? Koi Pharma® Pure Prazi - Fluke Eliminator is the answer!

  • Flukes are a ”Kill or be Killed” Parasite, don’t let your koi become a statistic!
  • They thrive in poor pond conditions, low dissolved oxygen, heavy organic matter and overcrowding!
  • There are two types of Fluke, Dactylogyrus - gill fluke and Gyrodactylus - skin fluke, both Deadly!


  • 1 gram of Koi Pharma® Pure Prazi per 100 gallons of water
  • First treatment for 5-7 days
  • It is suggested to retreat a second time for maximum effectiveness against parasitic adults, larvae and eggs

Compatible with Koi Pharma® Pure Broad Spectrum (can be used to dissolve Koi Pharma® Pure Prazi)


  • Partial Water change (25%) is recommended to remove excess waste and organics.
  • Remove all activated carbon from pond/filters, stop the use of protein skimmers, and turn off UV light during the duration of treatment.
  • Weigh out the dose of Koi Pharma® Pure Prazi needed to treat and dissolve medication easily disperse in water (recommended to use Koi Pharma® Pure Broad Spectrum when following restrictions presented on both products)
  • Evenly disperse dissolved medication evenly around the pond for maximum coverage.
  • One treatment duration is 7 days. Following the first treatment it is recommended to do another partial water change (25%) and re-dose for a secondary treatment


  • 25 gram (Treats up to 2,500 gallons)
  • 50 gram (Treats up to 5,000 gallons)
  • 100 gram (Treats up to 10,000 gallons)
  • 200 gram (Treats up to 20,000 gallons)