How to Fix Foamy Hot Tub Water( Steps)

How to Fix Foamy Hot Tub Water( Steps)

How to Fix Foamy Hot Tub Water( Steps)

Playing with foam is an interesting experience until it gets into your tub. Foamy waters are not interesting in a hot tub.

In fact, the reverse is true; you want clear water in your hot tub, and this is why you invest in chemicals to ensure that your hot tub stays clear.

Foamy water sounds fun until it’s in your hot tub. You are constantly striving to maintain cleanliness in your hot tub so that you get the clear water effect in your hot tub.

However, it is not always the case, and there are times you may find foam in your hot tub.

It is normal for your hot tub to get foamy once in a while. When your hot tub is filling up with foam, do not be afraid!

When you get foam in your hot tub, you may wonder what causes this and what to do with it.

Read on to know how to fix foamy hot tub water but first, what causes foamy water in a hot tub?

How Much Foam Is Normal?

In a hot tub, all foam is not necessarily bad. Although foam may not be classified as a serious problem by some people, a form that is more than an inch forms a ghastly sight when you soak.

Indeed, all hot tubs will have some form of foam all the time. Mostly, this foam is at the edges, and it can be avoidable.

How to Fix Foamy Hot Tub Water( Steps)

However, when foam takes beyond an inch or so in your hot tub, then you will most certainly want to address it. Indeed, the foam may be annoying as it is sticky.

It is a sign that something is wrong with your system. A timely redress will prevent any potential problems.

The potential problems will range from health problems to inflated maintenance costs.

At this point, it can be a source of health problems. But you may wonder, how do I stop the foam from forming? Read on to know.

How do I stop my hot tub from foaming?

You will need to fix the problem with your hot tub if you have a foam problem. This is not hard to address. There are certain things that you need to do to fix this problem.

When you have a foam problem in your hot tub, you will need to first look at the chemical levels in your hot tub water.

If your pH levels are outside the recommended range of 7.2-7.8, there is a problem.

If you come to the conclusion that your pH is low or high, you will need to address it immediately.

You can make use of an increaser to raise the pH levels or use a decreaser to lower the pH levels.

To do this effectively, you will have to refer to the instructions in the package. This is a process that needs to be repeated until the desired levels are achieved.

After testing, you may discover that your sanitizer levels are low. In this instance, you will need to continue adding until the recommenced levels are arrived at.

Unfortunately, if your tests show that your calcium is high, you will have to drain all the water and refill the hot tub.

Check Your Filter

When you have a problem with water quality in your hot tub, never leave the filters from the equation.

Indeed, everything related to quality in your hot tub system will be related in some way to the filters.

It acts as the red flag for water quality in your system. This is even truer if the clarity is an issue as well.

Filters as supposed to pick up and trap small particles, preventing them from causing problems in the water.

If they fail in this function, there is a real problem with your hot tub system. When you find that your filters are failing, you have two options. You can either replace them or clean them.

To clean filters, soak them overnight and rinse them thoroughly.

Is Draining The Hot Tub A Solution In Eliminating Foam?

Draining your hot tub due to some foam in it may be rather drastic. Small amounts of foam do not require such measures.

You can use a skimmer to scoop off the excess foam that is on the surface of the water.

After this, you will only need to rinse your hot tub filters. When you rinse your hot tub filters, it will be time to hyper-chlorinate your water.

You will need to be continually adjusting the water chemistry in your hot tub. This means that you will have to conduct regular tests in your hot tub. The jets need to be run as well.

Additionally, you can make use of a defoamer to get rid of the foam from your hot tub.

When the foam fails to stop after balancing the water chemistry, pouring extra chlorine shock into the water acts as a breaker.

After this, try to run your jets for an hour or so. Switch your jets off and give them some time, then switch them on. You will be sure of your success if the foam doesn’t foam again.

If the foam persists, you have no option but to drain the water and start over. Before you fill your hot tub with water again, ensure that you clean it fast.

Cleaning it will also need to encompass a change of the filters. Therefore, draining your hot tub is necessary as a last resort.

This happens when all else has failed to eliminate the foam. But how do I clean my hot tub before refilling? Read on to know.

What Is The Best Way To Clean My Hot Tub Before Refilling?

The cleaning of a hot tub can never be easy for many. Indeed, many will keep postponing the task until it gets dangerous to bathe in the hot tub.

However, things should not be that hard.

When you purpose to clean your hot tub, you will need to have some prior planning and preparation. Get adequate preparation and get up to the task.

First, put chlorine shock in the hot tub for 24 hours before you clean your hot tub. After 24 hours, have the jets run for approximately 27 minutes.

How to Fix Foamy Hot Tub Water( Steps)

This ensures that all deposits and debris in the pipes are eliminated. Now, drain all the water using the drainpipe or even a hose pipe.

Do not reuse this water for any purpose at all since it contains chemicals.

After a few hours, all the water will have drained, and it will be time to use a hand towel to ensure that you wipe the hot tub from the inside walls.

Make use of a sponge to avoid damaging the acrylic.

Now, you can start to clean your hot tub. Go for recommended products for washing hot tubs. Avoid detergents since they foam.

You might want to use Windex or vinegar as these are good products for cleaning a hot tub.

Again, remember that you cannot use abrasive brushes of steel. The best thing to use is a sponge or hand towel.

Imbalance In Your Hot Tub

Having an imbalance in your water is not a good idea. Due to imbalance, your hot tub water can turn green and have a bad smell.

It may also cause foam. Hot tub water requires proper management.

Failure to properly maintain your hot water will result in problems like the foaming. Sometimes, hot tub owners innocently cause their water to foam in their spas.

For instance, although a seemingly harmless act, adding soft water to your hot tub is gravely wrong.

This is a sure way to cause an imbalance in your hot tub water. When this happens, you might as well prepare for foamy waters. Believe me; you do not want foam anywhere near your hot tub.

It may at first appear normal in your hot tub to have foam. But foamy waters are a real problem in your hot tub.

But problematic foams in your water are large and sticky. It is usually evidence of dangerous underlying conditions.

Can I Fix The Problem Before It Starts?

The best way to address an issue is to stop it from its origin. When dealing with hot tub foaming, it is best to ask if you are using the correct approach.

For instance, the cause of the foam needs to be addressed instead of the symptoms. You will succeed in this if you fix the problem from its origin.

Since foaming results from dirt and mineral deposit, you might consider being bathing first before you soak in your hot tub.

When you do this, non-organic materials will be prevented from entering your spa.

Avoid using detergents when washing your bathing costumes. This is the surest way to prevent detergents from entering your hot tub.

You will only need to rinse your costumes in plain water and hang them without any soap or detergent.

Again, you will need to be using anti-foam products. When using anti-foam products like “No Foam,” it is best to use them sparingly.

Although this product is meant to fix the problem instantly, it provides a reprieve from foam, and the problem should be addressed comprehensively.

Indeed, even after using the product, there will still be foaming as it can’t prevent foaming. You cannot rely on these products in the long run.

How To Maintain Cleanliness In Your Hot Tub

It is essential to clean hot tubs every other time. When you address the sources of dirt you’re your hot tub; perhaps, you will need to clean the hot tub less.

When dirt and other mineral deposits accumulate in the hot tub, you prepare for foaming and other problems.

Apart from foaming, other health-related problems come due to your negligence.

When you get a disease from your hot tub, it may be transmitted to all members of your family. This will mean that the medical bills may triple.

Think of a disease like fatal Legionnaires’ disease that can be prevented by the proper maintenance of your hot tub.

By default, people will want to bathe in a clean tub that has clean water.

However, just how many will travel the extra mile in seeking to keep the hot tub clean in a proactive manner? So, how do you maintain your hot tub?

To keep your hot tub clean and deal a death blow to foaming, change your water regularly.

Ensure that the water doesn’t overstay in the hot tub since it will be more costly to practice water balancing chemistry.

Change your water based on how frequently you use your hot tub. More frequency means that more debris is released at a shorter time span.


As a concussion, it is normal to have some foam in your hot tub, to a certain degree. However, the foam may be a problem, and it can be prevented.

Although it is harmless, it is a good idea to keep it under control. Failure to do this when time abides, you will be preparing for costly maintenance and other cleaning problems.

To ensure that you have your hands on foam in your hot tub, provide regular testing of the pH levels in your hot tub.

Get rid of any debris that may form in your hot tub. Any chemical deposits should be addressed on time.

There are many ways of fixing foam from your hot tub, and there are times you will try everything, and then the foam may not stop.

In this instance, you will have to drain your hot tub using the drain tap or a hose pipe.

After draining the water, flush the system to get rid of any unwanted chemical remainder in the system.

However, before you do this, you need to try all other methods since this is time-consuming.

But if you must drain your hot tub, take the opportunity to clean your hot tub before you refill. Only replenish the tank after you have cleaned the system pretty well.


Hi! I' am Tom. I was a manager in one of the biggest stores for over 10 Years, am also an SEO by night. I don't like to call myself a blogger; they are very analytical, do email marketing, and know all SEO stuff. I faced many questions from customers about different products, and there was hardly any help on the internet. After learning all the things about these products as a manager the hard way, I decided to start a blog and help other people.

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