How often will I have to rebuild the pH reference?

FAQ - ph

1. Q: How often will I have to rebuild the pH reference? A: The frequency with which a pH reference needs to be refilled depends on the deployment conditions of the sonde. The more frequently that a user logs readings, the more frequently the reference will need to be refilled.
   
   
2. What are these salt pellets in my reference junction?
3. What is the difference between a Standard Reference and an Integrated Reference?