Another cosmetic issue: Under the "Acid Additions" section, the conversion of the acid amount to teaspoons is not updated when the amount is entered as a weight (it keeps the tsp-equivalent of the last value entered as a volume). If the conversion from grams to teaspoons is not supported, maybe...

Thanks for this great tool. I think there is something strange with the range check feature. The Ion concentrations are displayed correctly, but the range symbols sometimes do not make sense. For instance, using the record from link below I can change the Chloride range status from low to...