Does Reverse Osmosis Remove Electrolytes From Drinking Water

Does Reverse Osmosis Remove Electrolytes From Drinking Water

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Charlie W. Palmer
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You may be wondering if an RO filter helps to remove electrolytes from your home’s water supply. Well, that’s exactly what we’re going to be discussing in this article.
For those who are unfamiliar, reverse osmosis (RO) is a process that uses a semipermeable membrane to remove contaminants, viruses, and bacteria from water.
While it is true that it is very effective at removing harmful contaminants from water, let us investigate whether it also removes or reduces levels of electrolytes.

What Exactly Are Electrolytes & How Are They Beneficial

Electrolytes are minerals in your body that have an electric charge. They are in your blood, urine, and body fluids.

Electrolytes are crucial in helping keep your body working properly by doing the following functions:

• Maintain the right balance of fluids in your body

• Maintain the proper acid-base (pH) balance in your blood

• Conduct electrical impulses throughout your body

If you do not have enough electrolytes in your body, you can become dehydrated or your blood pH can become too low or too high.

Are there side effects of consuming too many electrolytes?

Yes, there are potential side effects of consuming too many electrolytes. These can include nausea, vomiting, diarrhea, headache, and dizziness. In severe cases, electrolyte imbalances can lead to seizures and coma. Therefore, it is important to consume electrolytes in moderation and to speak with a healthcare professional if you are unsure about how many to consume.

Does RO Remove Electrolytes from Drinking Water?

Reverse osmosis does not remove electrolytes from drinking water. In fact, it is often used to improve the taste of water by removing dissolved minerals that can cause a bitter or metallic taste. While some people believe that reverse osmosis removes all impurities from water, including beneficial minerals, this is not the case.

How to test your water supply for electrolytes

To test your water supply for electrolytes, you will need to use a water testing kit. These kits are readily available online. Once you have your kit, follow the instructions carefully to ensure accurate results. Generally, you will need to fill a vial with water and add a few drops of reagent. Then, compare the color of the solution to the chart included in the kit to determine the level of electrolytes in your water.

If you are concerned with the level of electrolytes in your water supply, please contact your healthcare professional.

What else does reverse osmosis remove from water?

RO also removes a range of contaminants from water, including chloride, fluoridechloraminearsenicheavy metalsvirusesbacteriapesticides, and pharmaceuticals.
Unfortunately, RO removes beneficial minerals from water such as magnesiumsodiumpotassium, and calcium.
While the Environmental Protection Agency (EPA) requires that most municipal water supplies in the United States meet strict safety standards, trace amounts of these and other contaminants can still end up in tap water. As a result, many people use reverse osmosis systems to purify their drinking water even further.

Alternative Methods Of Reducing Copper In Your Water Supply

According to American Chemical Society and Division of Chemical Education, Inc, Ion Exchange is an effective method to remove electrolytes from water.


In summary, Reverse Osmosis is not an effective way to remove electrolytes from water. However, it’s been proven that Ion Exchange (Water Softening) is effective.
It’s better to use a point-of-entry (POE) filtration system as this will take care of your entire home’s water supply. This differs from a point-of-use (POU) system that only treats water at the faucet.

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