Hach Wash Water Buffer Solution for Detergents, 500 mL, 99949By Hach $36.59 | EA Quantity discounts available QuantityPrice Product #: 700712Mfr. Part #: 99949 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description For determination of Detergents (Surfactants) by test kit methods. 500 mL.bottle Product Specifications ... DetailsBackDescription For determination of Detergents (Surfactants) by test kit methods. 500 mL.bottle Product Specifications Method Name Crystal Violet Platform Solution Documents Safety Data Sheet