Kordon Methylene Blue Disease Preventative – Safe for Freshwater & Saltwater Aquariums, Prevents Fungal Infections & Treats Parasites, Reduces Fish Stress, 4-Ounces Size:4 oz it measures 23

it measures 23

for all breeds and life stages

Treat for reptiles and amphibians

water changes

Kordon Methylene Blue Disease Preventative – Safe for Freshwater & Saltwater Aquariums, Prevents Fungal Infections & Treats Parasites, Reduces Fish Stress, 4-Ounces Size:4 oz it measures 23Size: 4 Ounce Pattern Name: Aquarium Pond Water Treatment Brand Kordon Liquid Volume 4 Fluid Ounces Item Weight 4 Ounces Item Form Liquid Target Species Fish About this item 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