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ILWQ-233 6 in 1 Professional Multi-parameter pH/ ORP/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester
$94.90 USD
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ILWQ-234 3-in-1 pH, EC & TDS Conductivity Monitor ATC w/ 3.5" Large Dual Display, Water Quality Meter Tester for Aquaculture, Aquarium, Pond, Hydroponics
$100.90 USD
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ILWQ-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank
$99.90 USD
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ILWQ-237 Economical pH Pocket Meter Tester Size with Clip, High Accuracy Removable Probe Electrode, Laboratory, School, Aquarium
$35.90 USD
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ILWQ-239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools
$16.90 USD
$24.90 USD
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ILWQ-240 3-in-1 pH / TDS / Temperature Meter Combo Water Quality Tester Digital Pen-Type with ATC 0.00~14.00pH 0~1999mg/L(ppm) for Laboratories, Hydroponics, Aquariums, Pool, Spa
$59.90 USD
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ILWQ-241 pH / EC / Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer Acidometer , Test Kit for Aquariums Hydroponics Pool Spa Drinking Purity
$53.90 USD
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ILWQ-242 5-in-1 Water Quality Multi-parameter PH EC CF TDS (ppm) Temperature Test Meter Backlight, Wall-mountable Rechargeable Continuous Monitor Tester, Aquariums Hydroponics Pool Fish Tank Pond Drinking
$108.90 USD
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ILWQ-243 6 in 1 Professional Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester
$126.90 USD
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ILWQ-244 2 in 1 Digital pH & ORP Redox Controller with Separate Relays Replaceable Electrode BNC Type Probe Water Quality Monitor Tester for Aquarium Hydroponics Tank 14.00pH / 1999mV with Calibration Solution
$162.90 USD
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ILWQ-245 PH & Temperature 2-in-1 Continuous Monitor Meter w/ Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa
$57.90 USD
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ILWQ-25 Waterproof pH Meter with Auto Buffer Recognition °C °F & Replaceable Electrode
$38.90 USD
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