what's the shelf life of the BRS PH probe

[ajskennes]

what the shelf life was for the BRS Single Junction Lab Grade pH Probe is

 

[Rick Mathew]

Don't know the projected service life but I have been using my Lab Grade probe for going on 4 years....no problems...Hold calibration well

rick

 

[ajskennes]

I've got one that has never even been used, bought it last year ( why i said shelf life )at the thanksgiving sale, I've finally got everything and ready for the calcium reactor to go online and this probe won't calibrate, I've been trying to get it to calibrate all morning it just won't

 

[Rick Mathew]

I've got one that has never even been used, bought it last year ( why i said shelf life )at the thanksgiving sale, I've finally got everything and ready for the calcium reactor to go online and this probe won't calibrate, I've been trying to get it to calibrate all morning it just won't

You might try soaking it in a Probe cleaning solution (usually weak HCl or KCl) , if you have any, for an hour or so...stored electrodes often need reconditioned...Here is a link to cleaning and reconditioning

How to Store, Clean, and Recondition pH Electrodes from Cole-Parmer

Taking care of your pH electrodes will ensure proper functioning, as well as enhance their longevity. Read more in this informative article from Cole-Parmer.

www.coleparmer.com

I have done this a number of times with old probes and it brought them back to life!