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Once in calibration mode submerge the probe in 1382 ppm calibration standard
Heavy duty and reusable
Probe: Detachable platinum electrodes
it makes the sharpening process nearly effortless
The FloraFlexTM Round Flood and Drip Shield + Gravity Drippers is the World's Slowest Drip System
Active Aqua-Pump Bag plant-support Once in calibration mode submergeEnclose your submersible pump in this fine mesh, zippered filter bag to prevent pump clogging. Filters all forms of biological and nutrient sediments common to hydroponic reservoirs. Increases pump life while reducing cleaning maintenance. Fits most pump sizes up to 1000 GPH. Ideal for flood & drain and drip hydroponic systems. High quality filter material keeps pump clear of debris. Gusseted bottom ensures proper pump seating. Pump can be easily
US$ 22.90
US$ 29.90
US$ 46.60
US$ 158.00
