Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
water recirculation and more
4A / 277V: 3
with bacteria crucial to root function
allowing for almost unlimited control options
The Original ExHale CO2 Bag is designed for small to medium sized grow spaces
BlueLab PPM Pen Water Soluble water recirculation and moreMeasures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Units: EC, 500 ppm, 700ppm, C, F. Range: 0. 010. 0 EC, 05000 ppm (500 ppm), 07000 ppm (700 ppm) and 050C 32122F. Resolution: 0. 1 EC, 10 ppm (500 ppm), 10 ppm