Michael,
It does not matter if it is NH4 or NH3! The important thing that it is ammonia, not what form of ammonia. If you read the ammonia test kit booklet, it mentions that it tests NH and both NH3 and NH4! Free ammonia is usually associated with water treatment along with chlorine that bind together to form the famous Chloramines.
About the article being experimental? Highly unlikely as this method of cycle has been around for many years and has been gaining momentum now that the internet is being used as the best way to find info. Its not something new and not something experimental as many, many fish hobbyists and breeders are using it.
__________________ This hobby is addicting. I want more Discus!!! |