I don't know what to tell you. If you saw what was in that video then you have costia. I didn't see costia listed as being something that is killed by Chloramine T but here is some info on dosages.
http://www.koivet.com/html/articles/...?article_id=71
Here is some info on costia
http://www.koivet.com/html/articles/...&name=Diseases