The perfect solution to store and hydrate your Bluelab pH probes or pens.
 
Bluelab pH Probe KCI solution is made specifically for use with Bluelab pH Probes and Pens. It is designed to increase response time and maximize the life of Bluelab pH Probes and Pens.
 
Add KCI solution to the cap of the pH pen/probe for storage, after use and hydrate in KCI solution monthly. Instructions are on the label of the bottle.
 
Bluelab pH Probe KCI Storage Solution is manufactured to high laboratory standards.