NT Labs Formaldehyde 30% is effective against protozoan parasites 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.

NT Labs Formaldehyde can be used as a dip bath to treat severe cases quickly. For the bath add 1ml to 1 gallon of pond water and bathe the fish for 1 hour. Aerate the water and watch for signs of stress.

Caution:  Formaldehyde is a hazardous chemical and should be handled with great care, please read the warnings on the label carefully.

250 ml treats 17048 litres (3750 gallons)