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Precision dosing of pH adjuster with the built-in Bluelab peristaltic pump
Long-format design for mixing and measuring nutrient reservoirs simultaneously
making them ideal for hassle-free use while stirring your nutrient solution
and temperature management Bluelab Power Relay R4 (sold separately) for optimal plant health and confident growing
Bluelab Combo Meter Meter Precision dosing of pH adjusterMeasure 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