Methylene Blue is not indicated for the treatment of Oodinium, bacterial infections, flukes (monogenetic trematodes) or for moderately-severe to severe fungal infections. It is not indicated for use as a net disinfectant or sterilizer.The use of Methylene Blue is primarily for the control of fungus on eggs, and to assist the transport of oxygen in fish poisoned by cyanide and nitrite ion. Secondary uses are for the control of some external protozoan parasites of fishes. Methylene Blue is an alternative for treatment with other medications when prevailing factors preclude the use of another medication

Creates natural water condition instantly by neutralizing fresh tap water's chlorine content which is very harmful to aquarium fishes. It also removes heavy metals such as arsenic, mercury, or cyanide normally found in water collected from the lakes and springs. It is economical, safe, and non-toxic to aquarium plants and fishes. How to Use: Per every 1L of water, use 3drops of this agent and drip it around the aquarium inside. The effect will appear immediately."