Calibrador Medidor Ph Digital Para Agua Liquidos Aquarios Piscina Laboratorio US

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Instruments MW102 PH and Temperature Meter

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pH/TDS/Salt Meter, (4)CR2032 Batteries

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Envig Digital Drinking Water Tester | TOC, COD, TDS e TEMP 4 em 1 | Contaminação orgânica (algas, produtos químicos, VOC etc.) | Grau de laboratório | Qualidade da água de poço, torneira, aquário e exterior

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Beverage Doctor - Pen Style pH Meter

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Food pH Meter with Extra pH Replaceable Probe,Digital pH Tester for Sourdough and Bread,Food pH Tester for Meat,Canning,Cheese,Solid Samples, Soft Soil and Water…

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iSpring 2-Button Digital TDS Meter with Backlit LCD Water Test Kit

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Hanna marine pH Checker

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Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

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Fountain Pen, 2 mm, Grade 196

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Hach 9532100 Pocket Pro+ ORP Tester with Replaceable Sensor

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Atlas Scientific pH Down Two Pack 250ml (16oz Total)

$33.65

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pH-Messgerät für Wasser, pH/TDS/EC/Salzgehalt/Thermometer 5 in 1 mit LCD-Display, pH-Messgerät, hohe Empfindlichkeit, automatische Temperaturkompensation, geeignet für Hydrokultur

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Horiba 3014035117 Model IG-331 Gloss Meter

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iPower pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2%

$30.99

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Water Tester PH Meter, Digital PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC

$15

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Hanna HI98100 Checker Plus pH Tester

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Apera Instruments AI102G GroStar Series GS2 Soil pH Pen Tester Kit for Direct Soil Test and Nutrient Solutions Test with Replaceable Swiss Spear pH Probe, Gen II

$246

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Calculated Industries 7445 AccuMASTER Duo Pro Pin & Pinless Moisture Meter Detects Hidden Leaks and Moisture | Combo Non-invasive Pad + Pin Sensors | for Restoration Contractors, Woodworkers, DIYs

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Bluelab Pencon Conductivity Pen

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