US$ 18.00
6 sq ft of net free attic venting keeps airflow efficient
Bi-Directional RJ12: Wire modules and controllers in a custom cabinet layout
you can enhance the performance of your dehumidification system
4' x 8' model = 112
providing readily available nutrients that plants can absorb efficiently
GF pH Probe (For NDS, NDK) 5' x 5' Grow Rooms 6 sq ft of netIn Line DryLoc pH Sensor for the Growlink Nutrient Doser The 2751 2 is the in line variant of the Signet 2751 family. It auto recognizes whether the connected electrode is a pH or ORP probe and self configures the signal chain on power up. A field free calibration routine lets you set zero and slope without a buffer when one isn't on hand. Out of range glass impedance and broken glass detection raise an alert the moment a probe drifts past its
US$ 18.00
US$ 155.00
US$ 12.00
US$ 12.00
US$ 24.00
US$ 15.00
US$ 18.00
US$ 12.00
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US$ 21.00
US$ 105.00
US$ 18.00