Since arsenic can easily substitute chemically with phosphate
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allowing you to spend less time on upkeep and more time enjoying the benefits of soft water
this multimedia layer reduces heavy metals like lead and mercury
Iron, Hardness & PH Analysis Kit 2" Since arsenic can easily substituteHach Iron, Hardness & PH Analysis Kit Field Analysis Kits for the water treatment professional. The Basic Field Analysis Kit for Iron, Hardness & pH includes: 1oz bottle each of #1,#2 & #3 hardness solutions, hardness test bottle, measuring tube, iron reagent foil pack, 5ml, 50pk., pH wide range indicator (1oz.), pH and iron test stand.