Methylene blue is effective against superficial fungal infections of fishes. The drug may be used as an alternative to malachite green for the control of fungus when it is known that the fish to be treated are sensitive. Methylene blue is safe for use with fish eggs and fry for the prevention of fungal infections. As a secondary use, it is effective against some external protozoans, such as ich, chilodonella and costia.

The drug may be used as an alternative to malachite green for the control of fungus. Methylene blue is effective against superficial fungal infections of fishes. Kordon methylene blue 4oz.

Best Sellers Rank: See Top 100 in Pet Supplies. Target Species: Fish. Item Form: Liquid. Item Weight: 8 Ounces. Liquid Volume: 4 Fluid Ounces. Brand: Kordon. International Shipping: This item is not eligible for international shipping. Domestic Shipping: Item can be shipped within U.S. Country of Origin: China. : B00025646W. Manufacturer: KORDON LLC. Date First Available: October 2, 2001. Item model number: MODEL-37344. Product Dimensions: 2 x 2 x 5 inches; 8 Ounces. Is Discontinued By Manufacturer: No.