Variety pack of ORP buffer solution.
Test kit to check the quality of your ORP electrode.
Simple to use.
Powder has an indefinite shelf life.
Total volume: 1.0 liter. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water - not included)
Contents: 5 packets of +92mV, 5 packets of +265mV
Extras: Includes three empty 100 ml bottles
Accuracy: +/- 0.2 ORP at 25 degrees Celsius
Preparation directions included with the kit