Hach Hardness (Total) Test Kit, Model 5-EP MG-L, 145401By Hach $53.09 | EA Quantity discounts available QuantityPrice Product #: 700755Mfr. Part #: 145401 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Total Hardness drop count titration/EDTA test kit with range of 20-400 mg/L; contains 100 tests. Product Specifications ... DetailsBackDescriptionTotal Hardness drop count titration/EDTA test kit with range of 20-400 mg/L; contains 100 tests.Product SpecificationsNumber of Tests100Weight1.1800PlatformDrop Count Titration California residents see Prop 65 WARNINGS