It is but an irony that though the earth has 326 million cubic miles of water yet it is not deemed safe for drinking without purification. Only about three tenths of a percent of this water are used by humans. Not all water available is usable water except found in freshwater lakes, groundwater aquifers, and rivers. Use of water purifiers is a must to get completely pure and safe water. Many a drinking water purification system introduced in the market today comes equipped with advanced technology not to mention the innovative features and technical specifications it comes incorporated with. Again not all water purifiers assure superlative quality being utilized.
Taking an informed decision also matters otherwise you will end up buying the wrong system that won't prove effective in purifying the water. Look for companies that offer value for money products. Generally, those companies that have established a brand reputation for several years, say decades, will never leave any scope for grievance because they know that grievances may tarnish their rapport. Also consider buying a drinking water purification system from a company that offers excellent after sales service. You will obviously not compromise on your and your family members' health for the little technical problem that remains unattended for days together even though you have placed a complaint at the customer care number.
If you are geared up to buy a reverse osmosis filter system, which one should you opt for one that comes with TFC/TFM or CTA membrane? The mechanisms of both the reverse osmosis membranes are different in two aspects otherwise the purification process is the same. TFC/TFM (Thin Film Composite) membrane rejects 98% of standard contaminants on an average and is less prone to organic fouling. CTA (Cellulose Triacetate) membrane rejects 93% of standard contaminants and is more susceptible to fouling from micro organisms. So, buy a reverse osmosis filter system with TFC/TFM membrane. This is one of the most widely used RO components in the world. Consider the multistage water purifiers rather than the single stage; purification effectiveness also depends on this factor. When you buy a reverse osmosis filter system, you should take into account certain considerations. Go for the one that comes with multi-stage purification mechanism.