If CO2 gets in the water it interacts with the water and produces H+ (lower pH) and HCO3- (Carbonate -> higher KH). It depends on the pH in which forms the CO2 is present.
KH extremely high
If CO2 gets in the water it interacts with the water and produces H+ (lower pH) and HCO3- (Carbonate -> higher KH). It depends on the pH in which forms the CO2 is present.
