ask.com might have the answer to your question:
http://www.ask.com/web?q=how+to+clea...9&o=1577&l=dir on this page, there is a list of things on which there is information. granted this may not be information for your specific iron, but it is worth a look. use your judgement. now, that said...what do bottom feeder fish have to do with anything? (see list of other iron cleaning on the site.)