Hanna Instruments - pH Conductivity dissolved oxygen meter
$4,715.80 - Thermo Orion VSTAR93 Versa Star™ Benchtop pH/ORP Redox Meter - Hogentogler.com
TEK-257 Soil pH / Moisture / Light Meter Long Sensor Probe Acid Alkaline Level Tester - Tekcoplus Ltd.
Hydrofarm Active Air 2-Way pH and Moisture Meter - Walmart.com
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Thermo Scientific VSTAR13 - Orion Versa Star Pro pH Benchtop Meter ROSS Difficult Sample Kit | TEquipment
Orion™ Star™ A221 pH Portable Meter, Thermo Scientific | VWR
Amazon.com: VIVOSUN Digital PH Meter, TDS and EC Pen for Water, Soil Moisture Tester : Industrial & Scientific
2-Way pH & Moisture Meter
China Two-Way Meter Moist and pH Meter-pH-104 - China Ph Meter
Thermo Scientific Orion Star A221 Portable pH Meter:pH and Electrochemistry:Electrochemistry | Fisher Scientific
Amazon.com : Hydrofarm MGMP1 Active Air 2-Way pH & Moisture Meter, Green : Soil Testers : Patio, Lawn & Garden
3-In-1 Battery-Free Soil Moisture, Light, and pH Meter – Sage & Sill
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Portable pH/EC/DO Meter with Bluetooth HI98494 - Hanna Instruments
Two-Way Meter pH-106 - China Measuring Apparatus, Teaching Model | Made-in-China.com
2-Way pH & Moisture Meter
AZ-9661 Digital Handheld PH/mV Data Logger with Programmer PH Meter Kd | eBay
USABlueBook - Orion STAR A326 pH/RDO/DO Meter, Portable, STARA3260
TOYFUNNY Three-in-one soil tester PH tester soil moisture meter (green + silver each with a two-color pin) - Walmart.com
Milwaukee MW100 Digital pH meter w/ Calibration Solution | Avogadro's Lab Supply
Measuring instruments - Testers - MILWAUKEE - PORTABLE METER PH/EC/TDS MEASUREMENT - MW802 - Idrogrow
NNGT Soil Test Kits, 3-in-1 Soil pH Moisture and Light Meter for Indoor or Outdoor Garden Care Perfect, Digital Plant Thermometer Water Meter for Garden Plants - Green (No Battery Required) | Pricepulse
Portable pH/EC/DO Meter with Bluetooth - HI98494
Active Air 2-Way Moisture/pH Meter
Thermo Scientific™ Orion™ 266S Advanced Waterproof Portable pH/mV Meter Meter Field Kit Thermo Scientific™ Orion™ 266S Advanced Waterproof Portable pH/mV Meter | Fisher Scientific
$6.39 (Free or Cheap Shipping) 2-in-1 Multifunctional Plant Flowers Soil PH Tester / Moisture Meter (Two-way, PH Tester/Moisture Meter) at m.FastTech.com - FastTech Mobile
