RO water filter should be avoided where not needed
First, try to avoid using RO filter if water quality not needs it।for canal and deep bore supply generally not needed। You can safely drink water upto 600 tds if not have harmful content If water tds is just 300 range, it is unlikely any contamination has gone into its source।water has salts of many minerals necessary for health like sodium calcium magnesium zinc etc required daily। 300 tds means you get enough minerals if you use 2 ltrs in drinking and cooking daily। RO output is not healthy having 20 to 50 tds range only। you should drink 150 to 500 range। Ro water with 15 to 30 tds is called hungry water it same as battery water. Not only it may absorb oxygen from tissues it lacks daily needs of minerals . Hence honble NGT has banned selling ro to those having upto 500 tds supply. Dm water which has 5 ppm tds can eat into steel pipes. Well RO has several filters starting with first paper or filament filter to check suspended dirt। Then comes main filter RO Membrane ...