What is Reverse Osmosis and Why Do You Need One?

What is Reverse Osmosis and Why Do You Need One?

If you want to know what a reverse osmosis (RO) water filter system is and how it works, you’ve come to the right place.

A high-quality reverse osmosis system can remove up to 99.99% of the harmful contaminants commonly found in tap water.

Some under the sink RO units even add essential trace minerals back into the water.

When it’s all said and done, your family can enjoy toxin-free, purified, perfectly alkalized water every time.

In this comprehensive guide, we dive deep into the science behind reverse osmosis systems, exploring how they can contribute to your overall health.

By the time you finish reading, you'll graduate with honors in hydrology.

Let’s dive right in!

What Is Reverse Osmosis?

Reverse osmosis is a process that purifies water by using a special filter. This filter has really, really small holes that only allow water molecules to pass through. Anything else in the water that's too big can't get through these holes. It effectively eliminates unwanted ions, molecules, and various contaminants that we don't want in our drinking water.

How Does it Work?

Reverse Osmosis works by using pressure to overcome a natural process called osmotic pressure. In osmosis, water molecules tend to become more concentrated as it flows through a membrane to balance out both sides. Reverse osmosis, however, prevents impurities from entering the less concentrated side.


When water goes through, all the nasty chemicals and bacteria gets trapped on one side, and clean water comes out on the other side, making it safe and pure to drink.

For a more in-depth explanation, click here to learn more.

Benefits of Reverse Osmosis Water

If we take a closer look, benefits of a reverse osmosis become increasingly clear.

Here are some of the best reasons to drink RO water:

  • Enhances taste & improves odor
  • Removes chemical disinfectants, like chlorine
  • Eliminates contaminants like heavy metals, lead, arsenic, pesticides and nuclear waste
  • Remineralizes your water with magnesium, calcium and other electrolytes
  • Makes perfectly alkalized, balanced pH water every time with an alkaline filter.
  • Reduces plastic water bottle consumption, contributing to a smaller carbon footprint
  • Offers long-term cost savings
  • Provides peace of mind regarding the quality and safety of your drinking water

The most significant advantage is the reassurance that comes from knowing your family is safe and healthy. Even in areas with strict public water source regulations, harmful heavy metals and PFAs can sometimes find their way into drinking water.
Thankfully, RO systems eliminate these contaminants before they can pose any health risks.  What's even better is that some RO systems also remineralize your water by adding essential minerals. While filtration may remove beneficial nutrients, remineralization restores them, ensuring your water remains both safe and healthy.

Additionally, it works to make your water more alkaline while maintaining a balanced pH. Ideally, your water should have a slightly basic pH (8-9) rather than an acidic one. Although more evidence is needed, preliminary studies suggest that drinking alkaline water may have benefits for diabetes, high cholesterol, and high blood pressure. A separate study found that alkaline water with a pH of 8.8 may help reduce acid reflux.


Is Reverse Osmosis Water Right for You?

Consider this, who wouldn't benefit from an RO system?

If you live in a rural area, it protects your family from pesticides, herbicides, and the runoff of agricultural activities. Even for city residents, as we learned from the Flint Water Crisis, the risks are real. In 2016, an estimated 6,000 to 12,000 children had been exposed to lead poisoning due to corroded pipes contaminating the water supply. It's safe to say that these children would have fared much better with RO filters in their homes.

The U.S. military relies on RO technology to transform saltwater into potable drinking water, and in various parts of the world, RO systems become vital during floods and other natural disasters.

Regardless of your background or location, RO water stands as the pinnacle of hydration.

At Aquasure, our RO systems provide Confidence with Every Drop™.

Shop our RO systems today!

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