Many people like me are coming to the conclusion that this type of water dispenser is more costly and less effective than other water filtration systems.
Based on the information I found, here are 7 things I think anyone should consider before buying a reverse osmosis water purification system.
1. Many synthetic chemicals like pesticides and herbicides cannot be removed from water when reverse osmosis water filtering systems are used. In order to understand why this happens, let me quickly explain how reverse osmosis works. Water is exposed to a semi-permeable membrane with a fine porous structure under pressure. Inorganic contaminants have a larger molecular size than water so the membrane rejects them.
The problem is that the synthetic chemicals mentioned above have a smaller molecular size than water thus they can’t be removed effectively by reverse osmosis.
2. When water passes through the membrane of a reverse osmosis water dispenser, inorganic compounds and trace minerals with a larger molecular size don’t make it through. That means that water treated by reverse osmosis is stripped of its natural mineral content.
3. Reverse osmosis water filtering systems require a lot of maintenance. They also require very good water pressure.
4. Reverse Osmosis systems are painfully slow. A reverse osmosis water dispenser will produce less than a gallon per hour and in order to use one you need a diaphragmed storage tank.
5. Reverse osmosis water filtering systems are wasteful and environmentally unfriendly. They waste around two to three gallons of water for every gallon they produce.
6. Investing in a reverse osmosis water filtering system is more expensive than other methods of water purification. It costs 18 to 24 cents per gallon whereas carbon block filters cost a little less than 10 cents per gallon.
Your goal? Take some time to think about whether a reverse osmosis water dispenser is right for you. Countless scientific studies and testimonials will point out that the cons outweigh the pros.
To get the most bang for your buck, carbon block filters are recommended but ultimately the decision is yours. Take what you have learned and go out and compare water filters. If you do so, you will find that some water filtration systems simply don’t cut it while others offer you more results for less money.
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