You can use ascorbic acid to remove metal staining, once you get the metals under control. Take a look at the sticky in the "metals" forum, written by mbar for more information.
Re: non chlorine based chemicals, what to use?
You can use ascorbic acid to remove metal staining, once you get the metals under control. Take a look at the sticky in the "metals" forum, written by mbar for more information.
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