6 Causes My Reverse Osmosis Water Has Bubbles? Is It OK?

The RO water machine is a great way to get safe and pure water for drinking, cooking, and other purposes.

But if you’ve ever noticed your Reverse Osmosis water has bubbles, you may be wondering why that is.

Don’t worry; you’re not the only one. Most people with a RO water softener installed in their homes will experience this issue at some point.

This blog post will explore the causes of those tiny bubbles and how to get rid of them. Stay tuned!

Why does my reverse osmosis water have bubbles?

There may be various reasons behind trapped air bubbles like:

1. How long is the system been used?

The longer you have your drinking water treatment system, the more time it has to collect minor contaminations in the membrane.

As a result, the bubbles will stick on the RO membrane surface and won’t go away even if you’re running hard water through it.

To solve this issue, replace your Reverse Osmosis membrane or clean it.

2. The more water contamination in the incoming water, the more bubbles you get.

water contamination in the incoming tap water

According to the business insider yellow water could signal the presence of chromium-6, the cancer-causing chemical.

The tiny air bubbles are the contaminants in the RO faucet water supply. Replace your RO membrane or clean your whole system with a cleaning solution to solve this issue.

3. Low-quality water inlet pipe and tubing.

Suppose your water inlet pipe is made of low-quality material. In that case, the contaminants will easily stick to the inside of your water tubing, which will cause bubbles and cloudy water.

Replace your whole RO with a high-quality water filter system to solve this issue.

4. The wrong way of installation.

The wrong installation of reverse osmosis cause Water Has Bubbles

If you have a complete RO system with a storage tank, your inlet water flow pipe should only send the filtered water back to the storage tank.

Otherwise, the bubbles will mix with filtered, clean water.

Ensure your RO cold water system is installed correctly to solve this issue.

5. Low water pressure.

The pump will not push the incoming cloudy water through a semipermeable membrane if the tap water pressure is too low.

As a result, your system will not filter as expected, and the bubbles will stay in your filtered drinking water.

To solve this issue, make sure you have a high-quality pressure pump.

6. The wrong way of pre-filtration

wrong installation of pre-filtration

Your water filter system may have the wrong types of pre-filters, which are not made for the contaminants in your incoming cold water supply.

As a result, the contaminants will be stuck in your pre-filter, which is not designed to filter them out.

Replace your whole pre-contaminant filter with the correct one to solve this issue.

How To Fix Reverse Osmosis Water Bubbles and cloudy?

1. Check if your RO unit is installed correctly and working:

– Make sure that the water outlet on your RO unit is plugged in correctly and that all pipes running smoothly.

– If you have a sediment reverse osmosis filter, ensure it’s clean or replaced.

2. Scale buildup:

Remove large impurities like scale buildups from the tap water supply using an approved water softener before using RO technology.

These can block small holes in membranes, resulting in reverse osmosis water cloudy/bubbled waters and eventually shut down the system altogether.

You can use a descaler such as CLR to break down any scale buildups.

3. Check your pH levels:

Check your water pH levels it cause Reverse Osmosis Water Has Bubbles

Reverse osmosis requires slightly alkaline water, which can be acidic if not maintained correctly.

– To check your pH levels, measure with a home testing kit or consult your local Water Department for more accurate readings.

– Correct any resulting acidity with sodium bicarbonate (baking soda) before using the system.

4. Poor drain line:

When installing your RO system, check for any poor drain line issues.

This may require additional work, such as re-plumbing or replacing old pipes.

5. Broken/defective water filters:

Suppose you are still experiencing reverse osmosis water cloudy or bubbly water after following steps 1-4. In that case, it may be necessary to replace your water filter.

6. Check faucets:

Be sure all the faucets in your home are properly closed off and not leaking before connecting your RO unit.

Leaks can cause poor drainage, leading to bacterial buildups over time.

7. Check your RO unit:

RO unit inspection

Ensure all connections are secure and in adequately working order before using the system.

-A blocked or faulty water line can also cause poor water flow and pressure.

– If you notice any water flow or pressure issues, contact your local Water Department for assistance.

If you continue to have problems with tiny air bubbles in your RO water. You might need to replace your filter or try running some vinegar through your system; it will help to remove any buildup from the system.

If you have tried the above tips and the problem is still present, it’s best to contact a professional.

How to properly maintain a reverse osmosis system for optimal performance?

  1. Don’t forget the semipermeable membrane of your drinking water treatment system. It’s a delicate piece of equipment, so you must handle it carefully.
  2. Ensure you’re not touching the RO membrane and wash your hands before touching it.
  3. If there’s any contamination on the membrane surface, clean it with a cleaning solution. You can use a brush to scrub the Reverse Osmosis membrane gently.
  4. Please do not use an abrasive material or other tools to damage the membrane.
  5. Also, don’t forget to wipe off all cleaning solutions before starting your system again.
  6. Do not try to use the membrane of your water purification system for too long.
  7. If you still think it’s not in good condition, replace it with a new one.

Is reverse osmosis water good for you?

Yes, reverse osmosis water is one of the best pure water you can drink.

It will remove 99% contaminants, dissolved minerals from your cloudy water, and even fluoride.

It will make your RO faucet water taste great and give you healthy minerals too!

So don’t worry about tiny bubbles or other water issues you may have in your Reverse Osmosis system; we’ve given you the best solutions.

Now it’s time for you to take action and enjoy your fresh, pure drinking water quality, like bottled water.

Tips on choosing the proper reverse osmosis system for your home or office

  1. Make sure you have enough clean water in your area
  2. Check the RO system’s warranty
  3. Ensure that the return policy is good
  4. Verify the quality of the filters used in RO water filtration
  5. Make sure that the system has a membrane that is made from solid material
  6. Whether the system purifies a wide range of contaminants or just a few
  7. Ensure that the system is certified by local authorities and industry associations

How to get the air out of the reverse osmosis system?

If you have any trapped air bubbles problems in your Reverse Osmosis water, don’t panic! We will explain how to solve each issue below.

  1. Replace your RO membrane;
  2. Clean your whole system with a cleaning solution;
  3. Replace your whole RO water filtration system;
  4. Make sure you have a high-quality pressure pump;
  5. Replace your whole pre-contaminant RO filter;
  6. Adjust the water pressure by adjusting your pressure pump.

You can also refer to this video for more details.

Why are black particles in reverse osmosis water?

The answer is that the reverse osmosis membrane filters out all of the particulates and then some. The particulate matter that remains behind differs from the original tap water because it contains dissolved minerals.

This is why you see black particles in your RO water.

These black particles can be removed by adding activated carbon to the system.

Activated carbon removes many contaminants from water, including heavy metals, pesticides, dissolved minerals, herbicides, pharmaceuticals, dissolved solids, and more.

The carbon filter removes chlorine taste and smell.

FAQs: Why Reverse Osmosis Water Has Bubbles

What kind of water should I get?

Not all RO water purification machines can remove fluoride. So make sure that the system you’re choosing can remove fluoride.
In general, TFM recommends that customers choose RO water systems that produce bottled water purified from more than 99% of all contaminants.

How much water can my system produce?

It depends on the capacity of your RO membrane, water flow rate, and system configuration.
As a general rule of thumb, a 5-Stage Reverse Osmosis System with 40 to 100 psi can produce up to 20- 80 gallons of purified drinking water per day.

How often do I have to change filters?

The RO filter has an average life of 3 to 4 months, depending on your hard water quality. Usually, the more contaminants are in your incoming tap water source, the more you will have to change filters.
Clean it once a month to make your RO system last as long as possible. You can use a cleaning solution to ensure that you have clean membranes.

How often do I have to change the membrane?

Usually, the membrane has a pretty good lifespan as long as it’s well-maintained. It can last up to one year or even longer.
You can use a cleaning solution to ensure that you have clean membranes.

How can I reduce the amount of space my RO system takes up?

Some Portable Reverse Osmosis Systems are available on the market. These systems are smaller and can fit under your sink.
So you have more space on top of your sink, and you can also take the system with you when you leave your house.


You must take care of your RO water softener to remove 99% of contaminants, dissolved solids from cloudy water, and even fluoride.

Please follow the instructions in your user manual to ensure that you have clean RO membranes.

If your Reverse Osmosis water has bubbles issues, take the actions shown in the article.

Thank you for taking the time to read this article. I hope that it has helped you with your Reverse Osmosis filter performance.

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