You are more than likely to have never heard of reverse osmosis water units, and I was none the wiser to begin with. What are they, what do they do and how? This article will look at and briefly explain the main features.
Essentially it's a way of filtering water by using a membrane filter which is relatively new in terms of using it to do just that, but it has been used on a larger, industrial scale for much longer.
It's job or purpose is to decrease the dissolved minerals that are found in water. The list of these is quite lengthy but includes magnesium, nitrate, calcium and fluoride.
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It can also lower the salt content and something else I found of interest is it's also effective against those chemicals, some pesticides and contaminants that produce smells and odors. My research also found that some reverse osmosis water units could develop slight pinhole tears therefore allowing bacteria to penetrate.
One also has to think of capacity, how much water you are going to need treated as home systems will usually treat a few gallons a day while others much more. This fact will no doubt be reflected in the cost.
Going back to what I said about it using a membrane, the other parts of the system include a container to store the treated water and what's known as a flow regulator for the reject water. If you live in a hard water area then a water softener may be employed before it reaches the reverse osmosis system.
Lastly I should also mention that some have a couple of pre-filters fitted. One to take out the silt, sediments and sand, and another carbon filter that works on removing any dissolved gases and organic materials that the membrane did not treat.
Quite a science lesson then, but hopefully easy to follow and understand without getting too technical. So next time someone tries to sell you one you won't look totally bewildered.
Reverse Osmosis Water Units Explained Simply WATER SOFTENER
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