Replacement pH Probe for Combo Meter/Guardian

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
• 2-metre cable for measuring in hard-to-reach locations
• 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