TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue) hidden The stabilizing support ensures an

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TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue) hidden The stabilizing support ensures anTDS Meter, Electronic Water Tester with 0 9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue) Product Features FAST AND ACCURATE READINGS Just turn it on, dip in about 1 inch deep of water and read display, Large digital display makes it easy to read. AUTOMATIC CALIBRATION No need any adjustment screwdrivers, just finish the calibration with Auto calibration with 1 3 seconds,