Bluelab pH Pen – Waterproof Handheld pH & Temperature Meter | Double-Junction Probe | Made in NZ HM Digital (DM-2) Industrial Inline Dual TDS Meter/Monitor; 1/4" JG Temperature Sensor: Built-in for automatic ZAP-PRO-ZAPFR medical pH tester giving you clean
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Ships within 48 hours · Estimated delivery Oct 6 - Oct 11