Foam in a Hot Tub: How to Get Rid of It
15.05.2023

Foam in a Hot Tub: How to Get Rid of It

Whether you recently installed a hot tub or have owned a spa for some time, you have probably encountered some water-related issues that you are not sure how to fix. Hot tub ownership involves more than simply daily or weekly care; occasionally, you just need to call in the experts to handle certain cleaning concerns.

A foamy hot tub isn't what anyone wants, I know what you're thinking! But before you jump out and get chemicals that you are not really sure what for. First, you might want to determine why your bathtub is so frothy. Where are they coming from? Water, air and surfactants are the ingredients of hot tub foam creation!

Surfactants can cause skin irritation and dryness. Testing your tub water for total dissolved solids and other contaminants can help you make sure your bath is safe and comfortable. It then captures part of the air that is introduced to the tub's water by the nozzles and creates a bubble. There will be more bubbles and they will linger longer in the hot tub if there have a greater surfactant and air circulating. The bubbles will ultimately begin to cluster, leading to the formation of foam.

Soft water or poor calcium hardness in your water supply may be the likely cause of excessive foaming. Additionally, algaecides or even excessive total dissolved solids brought on by shampoos, body lotions, or moisturizers may be the source of the problem. So next time you have guest or friends coming over, you might ask them to take a quick shower before getting in your tub, it can reduce the risk of foamy water from occurring.

Nevertheless, you have nothing to worry about. There are many ways to eliminate foam in your hot tub. All these options sound interesting, so let's explore them.

Water Testing

Prior to taking corrective action, you must first test your water to determine its pH, alkalinity, sanitizer, and calcium levels. These surfactants can be harmful to your skin and can also interfere with your tub's cleaning and filtration systems. It is important to check the TDS levels in your tub water and take measures to keep them low if necessary.

Additionally, there is a significant probability that your problem is caused, at least in part, by unbalanced water, so that needs to be tested. After testing your water, you determined that it is balanced and maintaining an excellent sanitizer residue. Therefore, the problem could be an accumulation of oils and lotions.

Having said that, anti-foaming chemicals can be used because they immediately cause foam to evaporate. The foam in your hot tub will be eliminated practically instantly by them. This may be the best option for someone who is pressed for time and wants just a little bit more time to handle foam properly.

This is a simple and inexpensive solution if you are expecting guests. You can even collect the foam with a cup or hand to see the water and start working to achieve the correct PH level. However. You should think about using a different approach if it doesn't work.

Water testing Water cleaning

Hot tub draining and refilling

The water condition will be completely restored if you drain and fill the tub with fresh water. This is the best time to change the filter, clean the plumbing and thoroughly clean the tub from the inside out. Ensure to remove all the traces of dirt and impurities otherwise you will have a foamy water again.

To make sure the pH and chlorine levels in the water stay balanced, check them every day

Make the necessary adjustments if the pH is too low or high. For the chemicals to properly circulate, run the filter for at least a day. Test the water again when the cycle is complete to make sure it is ready for using. The cycle can be scheduled every four to six months.

Final thoughts

Although it may seem a little nightmare-inducing to wake up to a frothy spa, a hot tub can easily be corrected. A clean, freshwater hot tub will help you prevent foaming in the future. The proverb "prevention is better than cure" is true. Keeping up a regular hot tub cleaning is so essential. Showering also helps to keep the hot tub clean and free of chemicals or bacteria that can be harmful to other users.

Furthermore, it is important to rinse off any sunscreens, lotions, or perfumes that may be present on the skin to prevent any adverse reactions. You don't need to take a whole shower. Rinse your mouth out quickly. If you or a guest has long hair, keep it out of the water by wearing a baseball cap or bunting it. The same is true of beards. Keep a regular maintenance routine in mind and avoid adding anything that will make your sanitizing chemicals work harder. Taking these simple steps will let you spend more time relaxing in your foam-free hot tub.