Chlorine Standard Features:

• 1ppm standard for chlorine meter calibration
• Complete with 3 ampules (20mL each) 1ppm calibration standards

Tripak Buffer (6ea. of 4, 7, 10pH & 2 Rinsing solutions) Features:

• Easy to use, already made fresh pH buffers for calibration
• Helpful table printed on the pouch shows what the pH value should be vs. the temperature of the buffer solution measured
• Rinsing solution used for cleaning off the pH electrode after taking the next measurement from a different solution to prevent contamination
• Convenient pouch eliminates the need for a cup to store buffer or rinsing solution