What Color Should Hot Tub Water Be?


It should be a light to medium blue color. This indicates that the water is clean and has been treated with enough chlorine to kill any bacteria or viruses.

What Color Should Your Hot Tub Water Be?

Your hot tub water should be a blue-green color. If your once white hot tub water, is cloudy or has a green tint, it may be due to algae growth.

You can prevent algae growth by shocking your water on a regular basis and keeping the pH level of green water in check.

Is Hot Tub Water Supposed To Be Clear?

It can be, but it doesn’t have to be.

There are a lot of factors that go into the quality of hot tub water, including the amount and kind of chlorine or bromine used, the pH level, and how often the hot tub filters water is circulated and filtered.

If you have a lot of body oils and other contaminants in your water, it will get cloudy over time.

Proper filtration and chemical treatment of hot tub chemicals can usually take care of this problem, but if your hot tub isn’t properly maintained, you may end up with cloudy water no matter what you do.

Why Is My Hot Tub Water Slightly Green?

Minerals in the water can sometimes create a green color in spa water.

The most common mineral to do this is copper, but other minerals such as iron, manganese, and aluminum can also cause a greenish hue.

If your hot tub is using well water, the minerals could be coming brown hot tub water or from the ground.

If your own green hot tub water well is using municipal water, the minerals could be coming from the pipes or treatment plant.

In either case, there’s not much you can do to get rid of the minerals except to replace the water on a regular basis.

What Does Healthy Hot Tub Water Look Like?

Healthy hot tub water will typically have a slight blueish tint to it.

This is due to the presence of chlorine, which is used to sanitize the water.

If the water is not adequately sanitized, it can become a breeding ground for bacteria, which can cause serious illness.

In order to maintain healthy hot tub water, it is important to test the pH and chlorine levels of colored hot tub water on a regular basis.

Keep in mind that hot tubs are typically maintained at higher temperatures than swimming pools, so the levels of chlorine and other chemicals need to be adjusted accordingly.


  • Jason

    Jason is an experienced writer, having contributed to many popular websites over the years. He currently writes for Big Hot Tub, a blog about everything hot tubs. When he's not writing or working on his blog, Jason enjoys spending time with his wife and two young children.