When Should You Add Salt to Your Reverse Osmosis Filter?

July 16, 2021 1:49 pm Published by Leave your thoughts

When it comes to filtering water for your home, reverse osmosis systems are hard to beat. Not only do they make sure the water is free of harmful contaminants, but they can also improve the taste of water for drinking or cooking and reduce skin irritations caused by the presence of a variety of minerals and contaminants in your water supply.

But this powerful water filtration system can, at times, be a little too powerful. When it comes to taste, we tend to prefer a little bit of minerals in the water. Reverse osmosis systems can actually remove more minerals than we would like it to as far as taste is concerned, so there are times when you may want to add some back in.

Here is some more information about reverse osmosis systems and when it may be desirable to add a little salt.

How a reverse osmosis system works

Reverse osmosis systems use between three and five filters to do their job. The first stage is a sediment filter, which removes the larger particles. The second stage is a carbon filter, which removes finer particles left behind from the first step. The third stage is the semipermeable membrane. This is the most important step, as it removes up to 98 percent of total dissolved solids in the water. From there, the water goes to a storage tank to be ready when you turn on the tap.

The semipermeable membrane also filters out most of the minerals that naturally exist in our water supply. While this can be helpful for many reasons, it also can cause some issues when it comes to water taste and cooking.

Why minerals are important in water

Minerals play an important role in water for many reasons. For one, our body needs those minerals to function. Minerals like calcium, magnesium, fluoride, iron, zinc and others are important to maintain healthy body function.

Another reason why minerals are important in water is for cooking. Water that is demineralized by reverse osmosis will actually pull minerals out of our food when used for cooking. Especially when vegetables are boiled or steamed in demineralized water, the minerals in the vegetables are leached out into the water to compensate for the absence.

Using salt to remineralize water

There is a way to add some mineralization back in to water that has gone through a reverse osmosis process. One way is to add a little bit of mineral-rich salt to your drinking or cooking water. Regular table salt won’t do here, because it’s not rich in minerals. Instead, use something like Himalayan pink sea salt, which is very dense in minerals and is not much more expensive than regular table salt.

If you have questions about reverse osmosis systems for your home, contact the experienced professionals at Fogt Water Conditioning today. With our more than 50 years of experience in providing water treatment systems to residential clients, we’ve seen it all and will always get the job done right the first time.

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