|Hach Hardness Drop Count Test Kit,Model 5-EP, 1-30gpg 145400
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Simple drop-count titration featuring Hach UniVer® 3 reagent
Includes: reagents for approximately 100 tests, sample test tube, mixing bottle, reagent spoon and instructions. Stock #s 77425, 77426 and 77427 also include polypropylene carrying case.