Bluelab pH Probe KCl Storage Solution - 250 ml Box of 6 US

The perfect solution to store and hydrate your Bluelab pH probes or pens

Features:

- Contains 6 bottles 250 ml/8.4 fl oz
- Compatible for use with Bluelab pH Pens, Bluelab Soil pH Pens, Bluelab pH Probes and Bluelab Soil pH Probes