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Bluelab OnePen - a 3-in-1 Temperature, EC/PPM and pH Meter, Lighting Fast Readings - Bluetooth Data Sharing & in-App Tracking - Replaceable Probe
Bluelab OnePen - a 3-in-1 Temperature, EC/PPM and pH Meter, Lighting Fast Readings - Bluetooth Data Sharing & in-App Tracking - Replaceable Probe