NT Labs Koi Care Formaldehyde 500ml – Anti-Parasite Pond Treatment

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NT Labs Koi Care Formaldehyde 500ml Effective Anti-Parasite Treatment Can Be Used to Mix with Malachite Effective against Flukes Formaldehyde 30% is effective against protozoan par asites and flukes. It is especially useful in treating flukes because of it's ability to penetrate mucus and reach the parasites that would otherwise be protected from other bath treatments. Can be used in ponds with low salt level (1-1.5oz/gallon) with no detrimental side effects Caution: Formaldehyde is a hazardous chemical and should be handled with great care, please read the warnings on the label carefully. 500ml treats 34,100 litres approx. (7500 gallons) Show more