Source water refers to where the mains water that supplies your swimming pool comes from. The water companies collect water from a variety of sources. Some of it is collected from ground waters such as wells and boreholes etc., and some of it is collected from surface waters such as lakes, rivers, streams etc. The ground waters have a higher content of calcium carbonate and are known as 'hard' water. The surface waters don't have such a high calcium carbonate content because they haven't perm... Continue reading ...
