ORP Probe Conditioning / Care

ORP Probe/Electrode Conditioning/Care



All ORP probes must be conditioned before use. Please read the manufacture instruction before start.

Unlike the pH probes, ORP probe has no glass bulb.

*** It is normal to see some yellow/white salt crystals inside the cap or on the electrode for brand new ORP meters, the salt is from dried storage solution, and it will disappear when rinsed with water.



- ORP Probe Conditioning for Positive ORP (+mV) Testing

ORP electrodes are shipped dry. Prior to using your electrode for the first time, follow the steps:

1. Remove the protective cap from the bottom of the electrode and rinse the electrode with distilled or deionized or bottle water.

It is normal to see some yellow/white salt crystals inside the cap or on the electrode, the salt is from dried storage solution, and they will disappear when rinsed with water.

2. Place the electrode in a beaker containing electrode storage solution (or pH 7, or pH 4 buffer), condition/soak it for 30 minutes.

3. After conditioning, rinse the electrode with water. The electrode is now ready for use.

ORP Testing for chlorine in Di-Chlor or Tri-Chlor pool water: Clean the ORP sensing surface weekly with dish washing liquid and a cotton swab, rinse with water, soak it for three minutes in a 20:1 diluted muriatic acid solution, then rinse with water.

ORP Testing for chlorine in Salt Water Pool: Use the GOLD ORP probe/electrode to minimize the hydrogen interference.



- ORP Probe Conditioning for Negative ORP (-mV) Testing

Click the link below.