Calibrate log Ks & aqueous activity coefficients for the effect of confining pressure, when using thermo databases with the requisite data. GWB.com/gwb.php

Aqueous Solutions will be closed tomorrow, July 3, for the Fourth of July Holiday. We will reopen on Monday.

GWB 2026 is here! Pressure corrections, Unicode support, isotopic zoning, & more! GWB.com/gwb.php

Aqueous Solutions will be closed Friday, June 19th, for the Juneteenth holiday. We will reopen on Monday.

GWB 19.0.1 maintenance release features improved scrolling & trackpad performance, a fix to exporting thermo datasets in Visual Minteq format, user experience improvements for GSS & the plotting apps, & resolutions to all known issues. GWB.com/update.php

Aqueous Solutions will be closed on Monday, May 25 for Memorial Day. We will reopen on Tuesday.

Geothermometry, kinetics, & phase diagrams rounded out our Reaction Modeling Online Retreat. Join us next time! GWB.com/Workshops

3rd day of Geochemical Reaction Modeling retreat: mass transfer, buffers, & precipitation!

2nd day: spreadsheet for water data, activity diagrams, & surface complexation! GWB.com/Workshops

1st day of the Geochemical Reaction Modeling retreat featured speciation, redox reactions, & activity coefficients!

One week to go until online Geochemical Reaction Modeling workshop. Learn speciation, mass transfer, sorption, & more! GWB.com/Workshops

There's still time to register for the April 27-30 Geochemical Reaction Modeling workshop (half days). Learn buffering, sorption, kinetics, & more! GWB.com/Workshops

Calibrate log Ks & aqueous activity coefficients for the effect of confining pressure, when using thermo databases with the requisite data. GWB.com/gwb.php

Use Unicode (UTF-8) characters for naming entries in thermo datasets, labeling samples, denoting variables, etc. GWB.com/gwb.php

GWB 2026 is here! Pressure corrections, Unicode support, isotopic zoning, & more! GWB.com/gwb.php

Build your own reactive transport model! Use ChemPlugin to build a series of reaction modeling apps in Python. Feb 24-26 online workshop: GWB.com/workshop_CPI2026.php

TEdit dataset editor can import thermodynamic & surface databases from Visual MINTEQ, & export databases in MINTEQ format. GWB.com/gwb.php

Is learning geochemical modeling your new year's resolution? Work through free self-guided courseware at the GWB Online Academy! academy.GWB.com

Build your own reactive transport model! Use ChemPlugin to build a series of reaction modeling apps in Python. Feb 24-26 online workshop: GWB.com/workshop_CPI2026.php

Attn students, instructors, & professionals: GWB Community is free to all! community.GWB.com