HI-7010-050 GroLine pH 10.01 buffer (+/- 0.02 pH accuracy @ 25°C)

HI-50012-01 12.00 pH Value @25°C, (10) 20 mL sachets

HI-5321/CERT Professional benchtop Conductivity/TDS meter

Low Range Titrant for Titratable Acidity in Water Mini Titrator (120 mL)

HI-3829F Free chlorine chemical test kit, 0.0 to 2.0 ppm

HI-38444 Pool Line Hydrogen Peroxide

HI-4013-13 Nitrate standard 1000 ppm

HI-70498 Bromine replacement reagent set for process bromine analyzer, 500 mL0

HI-7042B Electrolyte Solution for Galvanic DO Process Smart Probes, 30 mL Bottle