Bluelab pH Probe 5M

Dependable double-junction pH probe technology that's built to last Double-junction probe reduces reference contamination, extending longevity   Fully waterproof - not just water resistant   BNC connector allows use with all other compatible Bluelab and Autogrow products   5-metre / 16ft cable for measuring in hard-to-reach locations and improved cable routing Use the included storage cap with KCl to lengthen probe’s lifespan  Fast sensor response ensures quick and accurate measurements   Polycarbonate housing for long-lasting strength   Effective in solutions of 0.2 EC and above