Do you really need a whole house reverse osmosis system?

Recently, some people asked me if a whole house reverse osmosis system is effective. My short answer is “yes”. However, this doesn’t mean it is great for anyone. In this post, we will discuss the advantages and disadvantages of whole house RO systems and I hope this can help you make a wise decision on whether to buy it or not. What is reverse osmosis?


First, you should know your water quality, because it varies largely from municipal water to surface water to well water. A whole house RO filter is capable of removing sulfur, iron, tannin, manganese and other contaminates which are normally found in the well water. Reverse osmosis process can remove the largest spectrum of contaminants in the most economical way. Up to 98% of most contaminants can be removed. These contaminants include TDS, chloride, nitrate, arsenic, sodium, tannin, sulfur, manganese and other nuisance elements.

Generally, such a system uses several stages water filters to do the job. And before RO process, oxidation of these contaminants is removed. If your water is so hard, first you should use an anti-scalant to soft the hard water, which can extend the life of the membranes by preventing hard water build-up on the membranes. Anti-scalant systems are economical and effective, because no water is wasted and no salt is needed to add.

Well, who really need such a whole house system?

More and more people nowadays have realized the importance of the water quality. And the water quality, in fact, is very poor. Even the tap water which has been purified by water supply companies is polluted again and always contains many pollutants, which are real threats to your health if you keep on drinking the contaminated water every day. For people who concern their health and people who are sensitive to chemicals in the water, such a whole house RO filtration system is needed.

The USEPA recommends that water below 500 PPM is suitable for drinking. However, we often see water which has TDS levels over 2,000 PPM. If you need water to flush your toilet, the quality is not so important. On the other hand, if you need to wash clothes and dishes, drink, cook, bath, shaving and shampooing, the water should be super clean. A RO system can do the work for you.

In the old days, the water quality was good, people used to drink well water, bathe in rainwater. However, with the development of industry and population expansion, the water source has been polluted. You cannot stand underneath like old days to enjoy a good shower, because even the rain water also contains various chemicals which are harmful to your skin.

If you want to drink healthy water, take a clean shower and cook with clean water, you really need a whole house reverse osmosis system to help you remove contaminants. In fact, it is not ecumenical to install separate water filters for any of your faucet or shower head.

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