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ensuring that the probes are exposed to a steady flow of water
Two duct sizes cover the range: 165 CFM at 4 inches and 352 CFM at 6 inches
Achieve bumper crop harvests in your garden by combining Beastie Bloomz ®
Ozone will revert to oxygen when it encounters a contaminant
Hanna GroLine Direct Soil EC Tester/Pen Tubing ensuring that the probes areHanna GroLine Direct Soil EC Tester Pen The HI98331 Direct Soil EC Tester Pen is a pocket tester that allows you to directly measure soil conductivity (EC) and temperature. The Direct Soil EC Tester Pen is a great option for taking direct conductivity measurements in soil because of its compact size, automatic calibration, and single button operation. The HI98331's steel penetration electrode means you no longer have to make soil slurries. The HI98331
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