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pH is a measure of the hydrogen ion activity in a solution. Pure water that contains an equal balance of positive hydrogen ions (H+) and negative hydroxide ions (OH-) has a neutral pH.
Simple and affordable pH measurement for home, school, and hobbyist use. Hach's pH testers deliver quick and easy measurements with accurate and reliable results. We also offer pH buffer solutions for our testers.
Accurate and precise pH measurement for laboratory and industrial applications. Hach's benchtop pH meters offer advanced features and user-friendly interfaces.
Select the right sensor or probe for precise pH/ORP measurement. Explore and shop our wide range of solutions that suit your application now.
Ensure consistent pH control with Hach's reliable suite of controllers and transmitters. Choose from our range of automated solutions for various applications.
Simple and affordable pH measurement for home, school, and hobbyist use. Hach's pH testers deliver quick and easy measurements with accurate and reliable results. We also offer pH buffer solutions for our testers.
Take the guesswork out of pH testing with Hach's pH test strips. Our high-quality strips provide quick and dependable readings for a variety of applications.
pH of drinking water is measured at multiple stages in a drinking water plant. Normal pH range for tap water is 6.5-8.5 throughout both treatment process and distribution. Drinking water pH level must be monitored to minimize corrosion, contamination and adverse effects on taste, odor, color and appearance.
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