[leebca]

If you read the reference, it specifies exactly, step by step, how to do it. It is RO/DI or distilled water that has been pH adjusted and methylene blue added.

The effectiveness of the FW dip is only for those pathogens that it comes in contact with. Marine Ich (Cryptocaryon irritans) that buries itself into the flesh is not gotten rid of by this treatment, although some die depedning on where they are located. The value in the treatment is removing many of the parasites that are 'shared' amongst fishes that are transported and kept together as they find their way into our care.