T.O.
I HAVE THE ANSWER... It is called IRON OUT. Makes your whites the whitest you would ever see them. Also takes out calcium iron and rust. YET. It is safer than CLR and Bleach. Good for your washing machine and septic system. Find it at your local farm store. Cleans bathrooms too. Just a tiny capful goes a long way. Maybe $15 the most for large bottle. 3 years til we had to buy another one.