PH and Thermometers

Ozone Water Tester Meter Portable Tester for Ozone Level in Water Lab Ozone Level Test 220V

pH630C Digital pH .01pH Temperature Meter & High Accuracy Water Quality Tester | Ideal for Hydroponics, Pool & Spa, Aquarium | Professional Lab Quality$$Tools

Extech PH100 Waterproof ExStik II pH Meter Kit with Flat Surface Electrode and Temperature Display

pH Meter for Hydroponics EC pH Monitor pH ppm Tester for hydroponics System Simultaneous Measurement of pH EC TDS Temperature for DWC Setup Hydro Reservoir Tank, Aeroponic Garden$$Tools

pH Meter for Food 3-in-1 Digital pH EC Temperature Meter with ATC, Food pH Tester for Checking Fermentation/Bread Dough/Sausages, Waterproof pH Probe Meter for Cosmetics, Solid and Soft Soil Sample

Professional pH Pen Meter - Digital Tester for pH & Temperature in Hydroponics, Growing Solutions with Full Calibration Kit for Plant Health, PHM-230$$Tools

pH Pen Meter and Probe Care Kit with Calibration Supplies, Storage Solution & Brush, Reliable Digital Tester for pH, Temperature in Growing Solutions, Optimal Plant Health and Yield

Atlas Scientific Oxidation-Reduction Potential ORP Test Kit +/-2000mV$$Other

ORP Electrode Probe ORP Instruments Controllers with BNC Connector for Water Quality Monitoring/Chemical/Wastewater Treatment(2M)$$Tools

Bante 210 Benchtop pH Meter | Lab pH Meter for Routine Measurements, ±0.01 pH Accuracy, 3 Points Calibration, Equipped with pH Electrode, Temperature Probe and Buffers$$Tools