Hach Filling Solution, Reference, KCl Crystals (KCl.C), 15 g, S21M001By Hach $23.75 | EA Quantity discounts available QuantityPrice Product #: 704041Mfr. Part #: S21M001 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Accessories Hach Buffer Solution Kit, Color-coded, pH 4.01, pH 7.00 and pH 10.01, 4L, 2507200Add Accessory $152.00 Details Description KCl crystals for electrode reference element, KCl.C, 15 g Features For use with Hach RedRod electrodes DetailsBackDescription KCl crystals for electrode reference element, KCl.C, 15 g Features For use with Hach RedRod electrodes Documents Safety Data Sheet California residents see Prop 65 WARNINGS