Pond Use of Formalin for Koi Diseases

Formalin is a mixture of formaldehyde gas in water. It’s not an easy mix to stabilize and sometimes they use Methanol to make it more stable. Formalin and Formaldehyde are essentially the same things. Formalin, by definition, is Formaldehyde at a concentration of 37% in water. Pond Use of Formalin for Koi Diseases To use … Read more