Koi Doc 30% Formalin and Malachite Premix is a ready to use full strength formulation, popular as a pond-wide anti-parasite treatment. It is particularly good for White Spot, Chilodonella, Oodinium and most Protozoan Parasites.
Do not use below 12.5°C (54.5°F).
Please ensure that you read, understand and follow all Health and Safety guidelines on the bottle.
Please do not eat, drink or smoke whilst handling chemicals.
Wear disposable vinyl or latex gloves and appropriate eye protection.