Neptune Systems pH Probe - Double Junction Lab Grade
Regular price $74.95
pH Probe – Double Junction Lab Grade
Replace your pH probe or add another for another tank, calcium reactor, etc.
Buy this probe if you are:
- Buying an Apex Lite (it does not include a pH probe)
- Replacing a worn out pH probe (we recommend you replace your pH probe every 18 months).
- Adding another tank to your system and purchased a PM1 to do so.
- Want to have a back-up probe on hand