What Causes Excessive Foam in a Spa Pool?

  1. Detergent in the water. …
  2. Oil build-up in the water. …
  3. Using cheap chemicals. …
  4. Introduction of hair products, lotions & make-up. …
  5. Total Dissolved Solids (TDS) Build-up. …
  6. Incorrect pH and alkalinity. …
  7. Your filter is dirty. …
  8. You are using low calcium water.

Why is my spa pool foaming?

The main offenders include makeup, shampoos, hair styling gels and mousses, hairsprays, sunscreens, moisturisers, conditioners and deodorants. These products will cause your spa’s chemicals to react, causing foamy and cloudy byproducts.

Why does my hot tub foam up?





Foam will appear if the pH balance of your hot tub water is off. This is caused by using cheap chemicals or inaccurately mixing them. Water with low calcium or too much pH or alkaline can lead to cloudy water. If you use your hot tub frequently, you yourself could be causing foam to appear.

Does high pH cause hot tub foam?

Water with a pH level that is greater than 7.8 is too high.



Either of these issues, high alkalinity or high pH, can cause cloudy water. High pH can also be the cause behind hot tub foam.

Why is my lazy spa foaming?

The foam and/or bubbles are caused by the water being thick or ‘saturated’ with particles. Then you come along, ready for your therapeutic water massage, turn all the jets on and up to full. The jets cause tiny bubbles to form which these particles then stick to, causing foam to appear.

How do you get rid of spa foam?

Quote from the video:
Quote from Youtube video: Second use a hot tub de-foamer. You can pick one up at your local hot tub store and all you do is you squirt it in and the foam disappears. Quickly i mean almost instantly.

How do you fix a foamy hot tub?





This can be done by simply adding an oil-absorbing sponge to the water. This sponge will slowly absorb any oils, soaps, and lotions on the surface of the water. Over the course of a few days, you should notice the foam recede and finally stop.

Is foam in a hot tub harmful?

Generally the foam is not harmful and just a build-up of products and TDS (Total Dissolved Solids) in the water. Hot Tub foam is caused by the water being “full” or “old” and turning the jets of your hot tub on when the water is like this will cause foam to appear on the waters surface.

What gets rid of soap bubbles?

Quote from the video:
Quote from Youtube video: All you need is alcohol that's it.

Does bromine cause foam?

If you’re using traditional water care products (chlorine or bromine), your hardness level needs to be in the recommended range. If no hardness has been added, soft water will naturally create larger bubbles. If it’s been a while since you’ve checked your pH level, this is another culprit that will cause foam.

How do you get rid of foam in a hot tub naturally?



Vinegar works as a powerful de-foaming agent. If you have only a thin layer of foam in the hot tub, you can pour vinegar straight into the water. This should be done at a ratio of 10 to 1. For example, if the hot tub holds 100 gallons of water, use 1 gallon of vinegar.

Is foam normal in a hot tub?

A hot tub can produce a lot of foam on occasion. While this seems fun when you’re in the bathtub, it’s not ideal in a hot tub. Hot tub foam is caused by the water being “thick.” The air jets activate these tiny bubbles, causing the foam.