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TK339PLUS Digital PH / TDS / EC / ORP / Salinity / S.G. / Temperature Pentype Water Quality Tester for Drinking Water, Aquariums, Hydroponics Pools
$58.00
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TK295PLUS Aquarium pH / Temperature Monitor Water Quality Meter Tester Replaceable pH Probe and Built-in Temperature Probe
$84.00
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TK303PLUS Water Quality Meter, IP67 PH Salinity TDS EC Conductivity Temperature Tester Pen, Water Analysis Detector Tool
$79.00
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TK298PLUS pH Meter 2.0~12.0pH Sharp Tip Long Glass Sensor with Automatic Temperature Compensation (ATC) IP65 Waterproof Housing
$152.00
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PHTK-153RE Digital pH Meter Water Quality Tester Monitor w/ Replaceable BNC Electrode Aquarium Tank
$53.00
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PHTK-245 2-in-1 pH & Temperature Meter Replaceable pH Electrode, Dual Display Water Quality Tester
$79.00
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PHTK-239 Portable pH Meter 360° Flexible Display Angle, 0.00~14.00pH Water Quality Tester
$40.00
$32.00
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PHTK-244 Dual Display pH & ORP Redox Controller Repleaceable Electrode Water Quality Tester
$225.00
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PHTK-841 Digital Pen-type pH Meter Thermometer 0.00-14.00 pH Water Quality Tester
$67.00
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PHTK-165 Waterproof pH Meter 2.1 - 10.8pH Dipstick Pond Aquarium Hydroponics Water Tester
$44.00
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PHTK-158 Digital pH Controller with Replaceable BNC Electrode 220V or 110V CO2
$163.00
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PHTK-155 Digital pH Controller Water Quality Tester for Aquarium Tank Pond
$177.00
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PHTK-153WO Digital pH Meter with Fixed Electrode for Hydroponic, Aquarium, Pool 0.0~14.0 pH Range
$50.00
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PHTK-153 Digital pH Meter + Fixed Electrode + Adaptor for Aquarium Pool Pond Hydroponics
$58.00
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PHTK-150 Digital Pentype pH Meter Temperature Tester °C °F with Replaceable Electrode
$97.00
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PHTK-116 Digital Pen type pH Temperature Meter 12cm Probe Pool Aquarium Water Quality Tester
$75.00
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PHTK-91 Digital 0~14 pH Temperature Meter ATC Hydroponics Water Quality Aquariums Tester, Laboratory
$56.00
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$94.00
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PHTK-27 pH and Temperature Meter Digital Display IP67 with 3 Point Calibration Aquariums Aquaculture
$65.00
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PHTK-21 Pentype Digital pH Meter Water Quality Tester for Laboratory School Aquaculture
$24.00
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PHTK-2 Digital pH Temperature Tester Waterproof 0~14 Meter Pentype Water Aquarium Pool Hydroponics
$68.00
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