25g Potassium Permanganate Pure High Grade Crystals / Powder 99.9% KMnO4
PotassiumPermanganate is a good disinfectant for ponds and nets. Potassium Permanganateis also excellent for the eradication of Trichodina and Costia and otherparasites. Dosage 6.8gmsper 1000 gallons.