Hach CalVer® 2 Calcium Indicator, 454 g, 28101HBy Hach $77.25 | EA Quantity discounts available QuantityPrice Product #: 702745Mfr. Part #: 28101H This item is in stock SAVE 15% ON SELECT HACH INSTRUMENTS WITH CODE HACH15 WHEN YOU PURCHASE THIS QUALIFYING CHEMISTRY Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description For determination of calcium hardness by EDTA titration methods. Active ingredient: Hydroxy Naphthol Blue. 454 g bottle Features ... DetailsBackDescription For determination of calcium hardness by EDTA titration methods. Active ingredient: Hydroxy Naphthol Blue. 454 g bottle Features Economical bulk bottle Documents Safety Data Sheet