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Robust 8”/200 mm long-format stainless steel probes provide deeper insights
making them ideal for hassle-free use while stirring your nutrient solution
0 Single-use Calibration Solution Sachets
and temperature management Bluelab Power Relay R4 (sold separately) for optimal plant health and confident growing
Bluelab Combo Meter Meter Robust 8”/200 mm long-format stainlessMeasure pH, conductivity and temperature on the go. Trusted by growers for 25 years on over 100,000 products! Bluelab Combo Meter measures conductivity (EC), temperature, and pH with a clear display and easy to use buttons. Portable and battery powered, take reliable readings anywhere to keep your plants flourishing. Features: Compact handheld design for convenient use Bright, easy to read backlit display Replaceable Bluelab pH Probe (with BNC