Wunder Methylene Blue
A mild antiseptic used for fungus infections and useful as a long duration treatment for disease. Used as a preventive cure against fungus on eggs. Very commonly used as a treatment for post travel stress and gill damage and disease. Remove activated carbon from filter during treatment, Replace with new carbon once dosing is complete. 1ml per 20L Please note this cure may damage live plants and stain aquarium silicone.
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.
Have on stand by in case it is ever required