In general, yes it should be ...
Published by Vitor Vieira, MSc.
In general, yes it should be required to test total hardness, and also magnesium and calcium separated. But ultimately the regulations in each country/region defines that.
In Brazil, my country, we have to test for total hardness, Calcium and Magnesium for drinking water of any source, despite being connected to the public system or pumping groundwater or rivers and private reservoirs.
In Brazil, my country, we have to test for total hardness, Calcium and Magnesium for drinking water of any source, despite being connected to the public system or pumping groundwater or rivers and private reservoirs.