What to look for in water filter test results

Water filtration is a science – an exact, researched method for filtering out miniscule contaminants from drinking water.   The success of this research – and the credibility of Doulton Water Filters – is borne out by stringent, but importantly, lengthy tests that prove that the ceramic candles used in Doulton Water Filters continue to offer absolute filtration day after day, week after week, month after...