A unique dialdehyde based treatment with synergistic malachite green and fish protective polymers. It is the only liquid medication on the market to control parasitic bacterial fungal and viral infections. It will not damage the biological filter. It is exceptionally effective in dips. It is a highly effective and economical solution for problems of ectoparasites and infectious lesions. It will not affect the pH. A 100 mL bottle treats 200 gallons. Marine and freshwater use.