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Conductivity (EC) & Temperature Probe The Bluelab ® OnePen is the ultimate tool for growers seeking precision and convenience in monitoring essential parameters for plant health
graphical display and history of all sensor readings
Clear Visibility Dome for Precision Trimming: The see-through dome of the trimmer enables you to monitor the trimming process closely
and due to the hazardous nature of this product
Ona Breeze Dispenser -- 35 CFM Fan (Part # OBR2) SOLVENTS Conductivity (EC) & Temperature ProbeThe ONA Breeze has been redesigned. It is lighter and uses less power, and now fits on either the ONA Gel Pail or ONA Gel Jar (both 4 liters, 1 US Gal). This makes the ONA Breeze excellent value for the dispensation of ONA Gel. The ONA Breeze provides odor neutralization to a room up to 1,500 square feet (15,000 cubic feet) or 166 square meters (500 cubic meters).
US$ 52.99
US$ 59.00
US$ 36.00
