Formaldehyde 30% is effective against most protozoan parasites. Very useful in treating parasites because of its ability to penetrate mucus and reach the parasites that would usually protected from other bath treatments.

• Formaldehyde is most effective when used with Malachite.
• Effective against: White Spot, Trichodina, Costia, Chilodonella

Always test water quality before adding any treatments to pond water. Also fully read instructions and calculate dose exactly before adding any treatment to pond water.

1000ml Treats 15000 Gallons or 68200 Litres