Pinit WARNING:About product imagesHach® 2745250 Total Hardness Test Strips, 0-425 mg/LItem Number:HAC-2745250 Manufacturer Part No:2745250Manufacturer:Hach $21.65 UnitMSRPYour PriceQtyEach21.6521.65Sold in:EachesInvalid quantity value To request the lead time of this item please click here Add to Cart New Order & Product PoliciesDetailsDocuments & Videos