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Compare Products Skip to Content Toggle Nav Sign In Create an Account My Cart Search Advanced Search # Type at least 3 character to search # Hit enter to search Menu Products Testers pH/ORP Testers EC/TDS Testers Multiparameter Testers Application Specific Portable Meters pH/ORP pH/ISE EC/TDS/Salinity Dissolved Oxygen Multiparameter Application Specific Benchtop Meters pH pH/ISE EC/TDS/Salinity Dissolved Oxygen Multiparameter Titrators Potentiometric Karl Fischer Autosamplers Mini Titrators Photometers Spectrophotometers Benchtop Photometers Portable Photometers Checker Colorimeters Refractometers Turbidimeters Thermometers Testers Thermocouples Thermistors Pt100 Infrared Dataloggers Monitors Thermohygrometers Chemical Test Kits Magnetic Stirrers Monitors and Dataloggers Monitors Dataloggers Process Control Swimming Pool and Spa Controller PCA Chlorine Analyzers Controllers and Transmitters Wall Mounted Panel Mounted Controllers with Dosing Pump Mini Controllers pH EC/TDS ORP Resistivity Dosing Pumps Probes Process ORP Probes Electrodes & Probes pH ORP ISE EC/TDS Dissolved Oxygen Temperature Multiparameter Bluetooth Probes Photometric Probes Solutions Calibration Solutions Fill Solutions Storage Solutions Cleaning Solutions Sample Prep Solutions ISE Solutions Titration Solutions CAL Check Standards Reagents Chemical Test Kit Reagents Checker HC Reagents Photometer Reagents Accessories pH Meters ISE Meters Dissolved Oxygen Testers Photometers COD Meters Multiparameter Meters Turbidity Meters Thermometers Titrators Lab Supplies EC/TDS/Salinity/Resistivity Checker HC Colorimeters Parameters Acidity Alkalinity Aluminum Ammonia Ammonium Boron Bromine Bromide Cadmium Calcium Carbon Dioxide Chloride Chlorine Chlorine Dioxide COD Color Conductivity/TDS Copper Chromium Cyanide Cyanuric Acid Fluoride Formaldehyde Glycol Hardness Humidity, Relative Hydrazine Hydrogen Peroxide Hypochlorite Iodide Iodine Iron Lead Lux Magnesium Manganese Molybdenum Nickel Nitrate Nitrite Nitrogen ORP Oxygen, Dissolved Ozone Peroxide Value pH Phosphate Phosphorus Potassium Reducing Sugars Refractometry Resistivity Salinity Silica Silver Sodium Sulfate Sulfite Sulfide Sulfur Dioxide Surfactants Tartaric Acid Temperature Titration Turbidity Zinc Support Contact Us Resource Information Guides eBooks Videos Webinars SOPs Data Sets Case Studies Checklists Knowledge Base Product Registration Warranty Information Software Information Certificate Search SDS Account 0 -- 0 -- probes solutions pH With operations in 65 countries, Hanna is working to solve some of the world's biggest problems by making scientific testing more accessible, easy, and accurate. 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Periodic Table of Hanna pH Testers Portable Meters Benchtop Meters Electrodes and Probes Solutions Chemical Test Kits Reagents Accessories Explore > CO 2 Carbon Dioxide Portable Meters Benchtop Meters Electrodes and Probes Solutions Chemical Test Kits Reagents Accessories EC/TDS Testers Portable Meters Benchtop Meters Electrodes and Probes Solutions Accessories Al Aluminum Portable Photometers Benchtop Photometers Solutions Reagents Ag Silver Portable Meters Benchtop Meters Electrodes and Probes Solutions Portable Photometers Benchtop Photometers Reagents B Boron Chemical Test Kits Reagents Br Bromine Chemical Test Kits Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents Br - Bromide Portable Meters Benchtop Meters Electrodes and Probes Solutions ClO 2 Chlorine Dioxide Portable Photometers Benchtop Photometers Solutions Reagents Accessories CH 2 O Formaldehyde Chemical Test Kits Reagents C 3 H 8 O 2 Glycol Chemical Test Kits Reagents C 4 H 6 O 6 Tartaric Acid Titrators/ Autosampler Portable Photometers Solutions Reagents Dissolved Oxygen Portable Meters Benchtop Meters Electrodes and Probes Solutions Chemical Test Kits Portable Photometers Benchtop Photometers Reagents Cd Cadmium Portable Meters Benchtop Meters Electrodes and Probes Solutions Accessories Ca Calcium Portable Meters Benchtop Meters Electrodes and Probes Checker HC Colorimeters Benchtop Photometers Solutions Reagents Accessories Cl Chlorine Chemical Test Kits Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents Cr Chromium Chemical Test Kits Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents Cl - Chloride Portable Meters Benchtop Meters Electrodes and Probes Solutions Chemical Test Kits Checker HC Colorimeters Portable Photometers Reagents CN - Cyanide Portable Meters Benchtop Meters Electrodes and Probes Solutions Portable Photometers Reagents OCl - Hypochlorite Chemical Test Kits Reagents H 2 O 2 Hydrogen Peroxide Chemical Test Kits Reagents HNCO Cyanuric Acid Portable Photometers Benchtop Photometers Solutions Reagents Turbidity Portable Meters Benchtop Meters Solutions Cu Copper Benchtop Meters Electrodes and Probes Chemical Test Kits Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents Fe Iron Chemical Test Kits Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents I Iodine Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents K Potassium Portable Meters Benchtop Meters Electrodes and Probes Portable Photometers Benchtop Photometers Solutions Reagents Accessories F - Fluoride Benchtop Meters Electrodes and Probes Solutions Checker HC Colorimeters Portable Photometers Benchtop Photometers Reagents Accessories NH 3 Ammonia Benchtop Meters Electrodes and Probes Solutions Checker HC Colorimeters Portable Photometers Benchtop Photometers Chemical Test Kits Reagents NH 4 + Ammonium Portable Meters Electrodes and Probes Solutions NO 2 - Nitrite Checker HC Colorimeters Portable Photometers Benchtop Photometers Chemical Test Kits Solutions Reagents NO 3 - Nitrate Benchtop Meters Electrodes and Probes Solutions Portable Photometers Benchtop Photometers Chemical Test Kits Reagents Accessories Titration Titrators and Autosampler Solutions Accessories Mg Magnesium Checker HC Colorimeters Benchtop Photometers Solutions Reagents Mn Manganese Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents Mo Molybdenum Portable Photometers Benchtop Photometers Solutions Reagents N Nitrogen Benchtop Photometers Reagents Accessories I - Iodide Portable Meters Benchtop Meters Electrodes and Probes Solutions Accessories N 2 H 4 Hydrazine Portable Photometers Benchtop Photometers Solutions Reagents NaCl Sodium Chloride (Salinity) Portable Meters Benchtop Meters Electrodes and Probes Solutions Chemical Test Kits Reagents O 3 Ozone Benchtop Photometers Chemical Test Kits Reagents PO 4 3- Phosphate Checker HC Colorimeters Portable Photometers Benchtop Photometers Chemical Test Kits Solutions Reagents Na Sodium Testers Portable Meters Benchtop Meters Electrodes and Probes Solutions Ni Nickel Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents P Phosphorus Checker HC Colorimeters Portable Photometers Benchtop Photometers Solutions Reagents Accessories Pb Lead Portable Meters Benchtop Meters Electrodes and Probes Solutions Accessories Zn Zinc Portable Photometers Benchtop Photometers Solutions Reagents S 2- Sulfide Portable Meters Benchtop Meters Electrodes and Probes Solutions Accessories SiO 2 Silica Checker HC Colorimeters Portable Photometers Benchtop Photometers Chemical Test Kits Solutions Reagents SO 2 Sulfur Dioxide Titrators/ Autosampler Solutions SO 4 2- Sulfate Portable Meters Benchtop Meters Electrodes and Probes Solutions Chemical Test Kits Portable Photometers Benchtop Photometers Reagents SO 3 2- Sulfite Chemical Test Kits Reagents Legend Common Parameters Elements Ionized Elements Compounds Chemical Parameters Physical Parameters Acidity Portable Meters Benchto...