PHREEQC for Windows



This page is the main resource of PHREEQC for Windows, a graphical user interface for PHREEQC-2, the popular aqueous geochemical modelling code by David Parkhurst and Tony Appelo. It was developped to add an easy-to-learn, intuitive graphical user interface (GUI) to PHREEQC. Since it was originally released in 1999 it has become widely-used for both teaching and research. In 2008 over 6000 people visited the download page!

PHREEQC for Windows is a 32 bit Windows version of the geochemical model PHREEQC-2, which is one of the most powerful tools in geochemical modelling available today. PHREEQC for Windows extends these capabilities and was developed to facilitate the creation of PHREEQC input files and the interpretation of the calculation results.

PHREEQC for Windows is completely free!


PHREEQC for Windows can do everything the normal version of PHREEQC version 2 can do. The input files for the program are backward compatible with the normal version of PHREEQC. This means that you can use any file created with the normal version in PHREEQC for Windows. However, some options that are available in PHREEQC for Windows are not available in the normal version. The extended capabilities include:

PHREEQC for Windows has been tested on machine that run under Windows95, Windows98, Windows NT, Windows Me, Windows 2000 and Windows XP. It requires 5.1 MB of free hard disk space.