DATABASE C:\Program Files\USGS\Phreeqc Interactive 2.7\phreeqc.dat
SOLUTION 1
SOLUTION 2
EQUILIBRIUM_PHASES 2
    Kaolinite 0 
EQUILIBRIUM_PHASES 1
    Gibbsite  0 
REACTION 3
REACTION 2
END
SOLUTION 3
USE solution 2
USE equilibrium_phases 1
USE reaction 3
END
USE solution 1
END