Kordon Methylene Blue Disease Preventative – Safe for Freshwater & Saltwater Aquariums, Prevents Fungal Infections & Treats Parasites, Reduces Fish Stress, 4-Ounces MIDOG Naturally Derived Formula - Human

Naturally Derived Formula - Human grade

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Versatile Size: Ideal for small animals of various breeds

Rite-Size A Cartridge Rite-Size B Cartridge Rite-Size C Cartridge Fits Penguin 100 and Mini Power Filters Fits Penguin 125

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Kordon Methylene Blue Disease Preventative – Safe for Freshwater & Saltwater Aquariums, Prevents Fungal Infections & Treats Parasites, Reduces Fish Stress, 4-Ounces MIDOG Naturally Derived Formula - HumanFeatures: Kordon methylene blue 4oz 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 Details: 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