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Automatic Calibration: One or two points with 5 memorized calibration values
Best Value Vacs Pro series are their most impressive line of rotary vane pumps available
specifically designed to enhance plant growth
7" (44 mm)
Light is the number one killer of potent flower
Combination Water Meter Kit with Conductivity/Salinity Probe featured Automatic Calibration: One or twoThe Sper 850048 Combination Water Meter can Measure Dissolved Oxygen, pH, Conductivity, TDS, Salinity or Temperature Using Different Probes. This kit includes includes one conductivity salinity probe. Additional probes (optional) also allow it to operate as a highly accurate pH meter, conductivity meter, TDS meter, Salinity meter or DO meter as desired. Probes change are easily changed and include specially designed guards to prevent tip damage. This
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