What is pH? pH measures the amount of acidity or alkalinity in a food or solution using a numerical scale between 1 and 14. A pH value of 1 is most acidic, a pH value of 7 is neutral, and values above 7 are referred to as basic or alkaline. Acidic and acidified foods have a pH value less than or equal to 4.6. What is equilibrium pH? Equilibrium pH is the pH of a food product after the added acid has reached throughout the food matrix; the pH of added acid and low-acid ingredients have equilibrated. To meet the legal requirements for cottage foods in MN, pH must be 4.6 or below. | Shopping for pH Meters There are many reliable models in the $50 to $100 range. Recommended features:
| Calibrating and Using a pH Meter This pH Meter Calibration and User Guide explains the basic processes for most pH meters. Coming Soon! |