Standard Grade ORP Probe

Standard Grade ORP Probe

Regular price $ 69.95

Start measuring ORP, replace your ORP probe or add another for another tank

Buy this probe if you are:

  • You measure ORP in your aquarium with an Apex System or a PM1 module
  • Replacing a worn out ORP probe (we recommend you replace your Standard Grade ORP probe every 12 months)
  • Adding another tank to your system, want to measure ORP in it, and purchased a PM1 to do so
  • Want to have a back-up probe on hand