Nobody has ever claimed the "peroxide thing" cures a multitude diseases. Not the manufacturer nor any true scientific research. All I have claimed is it helps fish breath better. If it was a magic cure everybody would use them right.Yes but how long have you been using the peroxide thing? Can’t think of the name.
EDIT.
There is more than one string to the bow to achieving a healthy aquarium, my Oxydator is but just one, it isn't used in isolation.
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