
pH plays a critical role in making nutrients soluble for plant absorption. Regularly measure pH to ensure the nutrient solution stays within the optimal range for plants to access essential nutrients and thrive.

The Bluelab pH Probe 5M is built for longevity with a double-junction probe, polycarbonate housing, and high-quality electrical components. It provides accurate and fast measurements, designed with advanced and affordable technology.
Built for Growers
Bluelab pH Probe 5M is designed for everyday growing tasks. Waterproof and reliable, it can be left in the reservoir for continuous monitoring. Designed and assembled in New Zealand with local and imported components.

Regularly clean and maintain your Bluelab pH Probe 5M for ongoing accuracy and durability. Use Bluelab's Probe Care Kit for cleaning and calibration. Keep the probe's tip wet by using the storage cap with KCl solution. Compatible with all Bluelab products with a corresponding BNC connector.
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| Product Warranty Period Details | Six-month guarantee for the Bluelab pH Probe 5M (proof of purchase is required). |
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