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Total Grow Control EC Probe
Grodan Grow-Cubes - The product consists of small stonewool croutons about the size of a fingernail
and a data logger which shows the minimum and maximum pH recorded
These pumps have low suction capability down to a 1/16 in
Harvest Pro Commercial RVD-5 & RVD-4 Vacuum Pumps (115 V
Milwaukee Instruments T75 WP TDS/ppm Tester air-purification Total Grow Control EC ProbeStainless steel probes deliver fast and accurate readings with ten times better resolution. Comes with protective case and calibration solution. Measures in part per million (PPM).
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