Calcium Hardness as CaCO3

To use the Calcium Hardness (as CaCO3) calculator, simply enter your concentration of Ca2+ in the box below and then click on the “Calculate Now” button. Ca2+ (mg/L): Calcium Hardness (mg/L as...

Total Hardness as CaCO3

To use the Total Hardness (as CaCO3) calculator, simply enter your concentrations of Ca2+ and Mg2+ in the boxes below and then click on the “Calculate Now” button. Ca2+ (mg/L): Mg2+ (mg/L): The Total Hardness (mg/L as...

Langelier Index Calculator

To use the Langelier Index calculator, simply enter values for pH, Temperature (in °C), TDS (mg/L), Ca, and Alkalinity (as CaCO3) in the boxes below and then click on the “Calculate Now” button. SIcalcite corresponds to the traditional Langelier Index...

% Un-ionized Ammonia Calculator

To use the un-ionized ammonia calculator, simply enter your values for Temperature (in °C) and pH in the boxes below and then click on the "Calculate Now" button. The program will display the percentage of total ammonia that is un-ionized. If you include an ammonia...