Hach CalVer® 2 Calcium Indicator, 113 g, 28114HBy Hach $41.69 | EA Quantity discounts available QuantityPrice Product #: 702746Mfr. Part #: 28114H This item is in stock 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. 113 g bottle DetailsBackDescription For determination of calcium hardness by EDTA titration methods. Active ingredient: Hydroxy Naphthol Blue. 113 g bottle