You are welcome. If you want to use a free, quick and simple model to calculate concentrations of 'mineralized solutions', you may like to download 'Chemical Equilibrium Diagrams' of the Royal Technical University of Sweden (KTU).  https://www.kth.se/che/medusa/chemeq-1.369367

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You are welcome. If you want to use a free, quick and simple model to calculate concentrations of 'mineralized solutions', you may like to download 'Chemical Equilibrium Diagrams' of the Royal Technical University of Sweden (KTU). 

https://www.kth.se/che/medusa/chemeq-1.369367