The one thing I keep in my fish cupboard without fail. In combination with salt will treat almost everything, and is able to be used for periods of time
My Betta has been quite sluggish and had the begginings of fin rot. After using this product and environmental changes he became his normal playful self
does what it should and is good value for money
Every fish keeper should have a bottle of methylene blue in their medicine cabinet. It really is a good product. Has many uses not just for fungus. Can be used as an antiseptic. It can also be used for nitrite and ammonia poisoning as it helps fish carry oxygen through their blood.
Does what its supposed to do, stopped fungus on fish eggs very well.