This isn't your generic RO purchased within a components retail store, Whilst some significant chains have it. Enter TDS = ~225 ppm, output TDS = ~fifteen-20ppm. Does the job. Haven't examined PH still. Water tastes excellent since it does with my initial system. Change your pre filters the moment http://watersystems00098.isblog.net/not-known-facts-about-water-filter-for-home-12512994