Extech PH103 Tripak Buffer Pouches Plus Rinse Solution Kit

Easy to use, already made fresh pH buffers for calibration 6ea. of 4, 7, 10pH plus 2 Rinsing solutions Helpful table printed on the pouch shows what the pH value should be vs. the temperature of the buffer solution measured Rinsing solution for cleaning the electrode before taking the next measurement to prevent contamination Convenient pouch eliminates the need for a cup to store buffer or rinsing solution