 "Pinpoint Pond Oxygen Monitor")
Pond plants and fish need adequate amounts of dissolved oxygen in water to survive. This monitor makes measuring easy. Accurately reads dissolved oxygen from 0 - 20 ppm. Includes probe with 5 ft cord, extra replacement membranes and probe electrolyte. No calibration fluid needed. A lifesaver in tropical climates. Electrodes, adapter kit, and calibration packets also available. | ||||
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