Reverse Osmosis Explained: All You Need to Know

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reverse osmosis explained Indy Soft Water

When people think of “filtered water,” it’s usually related to water that tastes clean and is contaminant-free. The catch, though, is that not all filtration systems work the same way. Some only remove sediment and grit from your water. Others are focused on getting rid of chlorine, but really nothing else. So even though you’re “filtering” your water, it can still have other dangerous contaminants that are odorless and tasteless.

To tackle all of the potential drinking water problems, you need reverse osmosis. The process is more powerful than other filtration methods, and can give you the safest, most refreshing drinking water around!

What Is Reverse Osmosis Water Filtration?

For truly pure filtered water, reverse osmosis—also known as RO—is the way to go. And it takes its inspiration right from nature, using a similar process in reverse.

When plant roots draw water through natural osmosis, the plant cells act as a semi-permeable membrane that allows water to pass through while blocking larger solutes. This process occurs passively and is driven by a concentration gradient. Reverse osmosis, on the other hand, involves applying external pressure.

In reverse osmosis, the membrane is a super fine filter, and external pressure is used to move water from a region of high solute concentration to a region of low solute concentration, against the natural osmotic gradient. This forces water through the membrane from one filtration stage to the next, leaving even the smallest microscopic contaminants behind.

Why Would I Want a Reverse Osmosis System?

Overall, reverse osmosis stands out as one of the most effective filtration methods. Even better, you can harness the power of reverse osmosis right at your own tap! These filtration systems can be installed under the kitchen sink, and even hooked up to refrigerator water dispensers. That way, you get clean, delicious-tasting water around the clock.

A good RO filter is capable of removing a wide array of contaminants. The result is exceptionally pure water. This is crucial for our health and safety, and even just for the enjoyment of drinking a nice glass of water.

The taste and smell of chlorine found in regular tap water can be a major deterrent from staying hydrated throughout the day. But with pure RO water, you won’t have those issues. This type of filtration process is able to remove chlorine, fluoride, nitrate/nitrate, heavy metals such as lead, and more from your drinking water. With the right systems installed, you can have true peace of mind that you’re only drinking safe, clean water. Plus, you’ll notice that your coffee and tea are tasting better too!

Does Reverse Osmosis Remove PFAS and PFOS?

People are understandably concerned about PFAS (per- and polyfluoroalkyl substances) and PFOS (perfluorooctanesulfonic acid) because PFAS and PFOS are known to be toxic. Studies have linked them to various health issues, including liver damage, thyroid disease, decreased fertility, high cholesterol, childhood obesity, hormone suppression, and cancer (such as kidney and testicular cancer). Even at low levels, these substances can be especially dangerous because they can accumulate in the body over time, leading to chronic exposure. For this reason, they’re often referred to as “forever chemicals.”

To make things more complicated, the use of PFAS and PFOS in common goods has led to widespread contamination in the environment. They have been detected in groundwater, surface water, air and soil, even far from the original source of contamination. What’s more, the conventional water treatment processes are ineffective against PFAS and PFOS. So we can also end up finding them in our drinking water. Just because your water has been “treated,” or even “filtered,” that doesn’t mean it’s safe.

Fortunately, some advanced reverse osmosis systems are specifically designed to target and remove a broader range of contaminants, including PFAS and PFOS, more effectively. So while not all RO water filters can remove these tricky contaminants, there’s still hope that you can avoid the risk of exposure.

For example, the FreshPoint GRO-575 is a five-stage reverse osmosis system that’s been tested and certified by NSF International under standard NSF/ANSI 53 and 58 for its ability to reduce PFAS levels. That means you’ll be in the clear with this RO filter! We’ve made it our go-to solution for providing the highest quality drinking water to our customers here at Indy Soft Water; so if you have any questions about this system or reverse osmosis in general, please don’t hesitate to reach out. You can always send us a message!

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