Category Archives: Latest News

Reverse osmosis and green living

(Compiled by Eugene Bezuidenhout) What is Reverse Osmosis? Reverse osmosis (RO) is a separation process which employs pressure to force water through a semi-permeable membrane (a membrane which will only allow water to pass) that retains the salts on one side and allows the pure water to pass to the other side. The water with […]

pH and Drinking Water

A question often asked is what is the effect of water, with a pH lower than 7, on human health? Under certain conditions a reverse osmosis purifier will lower the pH of the permeate or purified water slightly. (This depends on the equilibrium relationship between CO2, HCO3, and CO3). To understand the effect of pH […]

Fluoride

(Compiled by Eugene Bezuidenhout) What is fluoride? Fluoride (F-) is the anion, the reduced form of fluorine, one of the halogens (as chlorine) on the periodic table. Inorganic compounds, such as sodium fluoride (NaF) containing fluorine are referred to as fluorides. Where is fluoride found? Fluoride is a natural mineral occurring in most water sources […]