• recirc

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1.    Recirc. water before ClO2 treatment. (Sediment at bottom of cup and smells like raw sewage water!)

2.    Recirc. water after two weeks of treatment at LOW maintenance feed rate.  (Clearing up - no odor.)

3.    Recirc. water after four weeks of treatment. Looks like tap water. (Absolutely zero foul odors.)