This 230mL bottle provides multiple calibrations with NIST-traceable sodium chloride solution for optimal meter accuracy in hydroponics

gel electrolyte

soft cheeses (cream cheese

Measurement: pH + EC + TDS + Temperature

Milwaukee MI413 High Range Free & Total Chlorine PRO Photometer high range TDS meter This 230mL bottle provides multipleLAB GRADE, EASY TO USE, HIGH PERFORMANCE. Milwaukee MI413 PRO Photometer is for users demanding fast, reliable, repeatable results with ease of use. DESCRIPTION The Milwaukee MI413 PRO Photometer features manual zero point calibration and fast operation in a rugged design. The Milwaukee PRO Photometer is ideal for users in food, labs, environmental, and water treatment applications. This meter is also ideal for educators that want their students to