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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Get everything you need to keep your Bluelab OnePen accurate
➡️Notify me when Bluelab Soil pH Pen is back in stock
Bluelab Power Relay R4 available separately for electronic mains switching
and waterproof construction for longlasting value
Quiet and fan-cooled
Bluelab ORP Meter halloween25 Get everything you need toMonitor Oxidation Reduction Potential (ORP) to track solution quality, disinfecting power, and sanitation throughout the growing cycle. Compact, handheld design for convenient use Bright, easy to read backlit display Replaceable Bluelab ORP Probe (with BNC connection) No ORP probe calibration required KCl filled probe cap to keep the probe hydrated 2 metre 6. 6ft cable for measuring in hard to reach locations Dual compatibility allows optional use of
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