Hydrochemistry & Water Analysis

aqion is a free hydrochemistry software that

aqion uses the well-known U.S.G.S. software PhreeqC as an internal numerical solver.

aqion is free for all (private users, education, companies, …). In addition, there is the extended version aqion PRO. Both programs run on Windows.


aqion 8.1.2
(released Jul 30, 2022)