Posted by Boilerman1 on May 08, 2000 at 21:00:47:
Softeners are used to remove what scale forming impurities?
A.) calcium & magnesiumB.) zincC.) resinD.) sulfite
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Comments: : Softeners are used to remove what scale forming impurities? : A.) calcium & magnesium : B.) zinc : C.) resin : D.) sulfite