H2O + 0.6172 mM   MgCl2
+ 27.68 mM   CaCl2
+ 2.15 mM   KOH
+ atmospheric CO2   (pCO2 = 3.408)

pH = 8.3

  (at 25 °C)
Electrical conductivity:   6171.8 µS/cm   (info)
Ionic strength:   86.034 mmol/L   (info)
Alkalinity:   2.15 meq/L   (info)
Total hardness:   56.594 meq/L   (info)
Carbonate hardness:   2.15 meq/L   (info)
Redox potential (Eh):   -147 mV  



Elements   (in mM)

C(4) DIC 1.93e+00
Ca Ca 2.77e+01
Mg Mg 6.17e-01
K K 2.15e+00
Cl Cl 5.66e+01

Aqueous Species   (in mM)

H+ 6.04e-06
OH- 2.57e-03
CO2 1.30e-02
HCO3- 1.47e+00
CO3-2 2.71e-02
Ca+2 2.73e+01
CaCO3 2.00e-01
CaHCO3+ 2.07e-01
CaOH+ 4.56e-04
Mg+2 6.10e-01
MgOH+ 2.30e-04
MgCO3 2.65e-03
MgHCO3+ 4.55e-03
KOH 1.15e-06
K+ 2.15e+00
Cl- 5.66e+01
H2 1.61e-12

Minerals   (Ksp values)

Mineral Formula SI Saturation state
Calcite CaCO3 1.57 super-saturated
Portlandite Ca(OH)2 -8.16 under-saturated
Brucite Mg(OH)2 -3.83 under-saturated
Aragonite CaCO3 1.42 super-saturated
Vaterite CaCO3 1.00 super-saturated
CaCO3(a) CaCO3 -0.51 under-saturated
Ikaite CaCO3:6H2O -0.30 under-saturated
Dolomite CaMg(CO3)2 1.63 super-saturated
Magnesite MgCO3 -0.52 under-saturated
Sylvite KCl -4.96 under-saturated
Hydrophilite CaCl2 -16.42 under-saturated
Bischofite MgCl2:6H2O -10.70 under-saturated
Antarcticite CaCl2:6H2O -8.77 under-saturated
K2CO3:1.5H2O K2CO3:1.5H2O -13.57 under-saturated
MgMetal Mg -78.11 under-saturated
KMetal K -49.75 under-saturated

Disclaimer:   The pH calculator has been tested with great care. Nevertheless, the results are provided without warranty.