Apera Instruments Protelyte pH Electrode Storage Solution is used for storage and refilling with pH electrodes/probes that adopt Protelyte electrolytes, such as LabSen 821 and LabSen 823. The solution is also used for the storage of LabSen 753 and LabSen 763. The electrode must be always stored in the Protelyte solution when not in use to keep the sensitivity and accuracy.
Volume: 4oz.