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King British Methylene Blue helps you treat entire fish tanks for fungal infections, but is safe to use in water containing fish eggs you want to protect. Use the correct dosage and everything should work out fine!
King British Methylene Blue is a well establish fish treatment which has been used for many years, safe to use with fish eggs it is used for the prevention of fungal infection.
This product has been designed to help sick or distressed fish by increasing how much oxygen they can carry and is suitable for use in tropical and cold-water aquariums.
You should consider using Methylene Blue if you notice any of the following: