Hach Filling Solution, Reference, 3 M KCl with AgCl, 100 mL, S21M004By Hach $36.05 | EA Quantity discounts available QuantityPrice Product #: 704042Mfr. Part #: S21M004 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 Filling solution for electrode reference element, Potassium Chloride (KCl) with Saturated AgCl, 3 M, 100 mL bottle Features ... DetailsBackDescription Filling solution for electrode reference element, Potassium Chloride (KCl) with Saturated AgCl, 3 M, 100 mL bottle Features For use with Hach PHC301 and MTC301 electrodes Documents Safety Data Sheet