Apera Instruments ORP60 Premium ORP Pocket Tester Kit | Replaceable Platinum Probe calibration kit Storing in pH probe storage 711219 Extended Lifespan Protects your M10004B

Storing in pH probe storage solution or pH calibration buffers will help address both these issues

Low-Battery Warning

Simple Reagent-Based Method: No complex equipment or laboratory required — straightforward colorimetric testing in the field or greenhouse

mineral-rich alkaline water with the Santevia MINA Alkaline Pitcher

Save 26% with this 2+2 bundle compared to buying individually

Apera Instruments ORP60 Premium ORP Pocket Tester Kit Replaceable Platinum Probe calibration kit Storing in pH probe storage 711219 Extended Lifespan Protects your M10004B Storing in pH probe storage solution or pH calibration buffers will help address both these issues Low Battery Warning