Hot Tub Too Much Chlorine: What You Need To Know

Hot tub help Why won't my chlorine level rise? Master Spas Blog


Having a hot tub can be a great way to relax and unwind after a long day. However, using too much chlorine can be dangerous and uncomfortable. In this article, we’ll discuss what you need to know about having too much chlorine in your hot tub.

The Dangers of Too Much Chlorine

Chlorine is a necessary chemical for hot tubs as it helps to sanitize the water and keep it clean. However, if you use too much chlorine, it can cause skin and eye irritation, as well as respiratory problems. It can also damage your hot tub’s equipment and accessories.

How Much Chlorine is Too Much?

The ideal level of chlorine in a hot tub is between 2-4 parts per million (ppm). If the level goes above 5 ppm, it’s considered too high. You can use a test kit to check the chlorine level in your hot tub and adjust it accordingly.

Causes of High Chlorine Levels

There are several reasons why your hot tub may have too much chlorine. It could be because you added too much, or you didn’t properly dilute it before adding it to the water. It could also be because you haven’t properly maintained your hot tub and the chlorine has built up over time.

How to Lower Chlorine Levels

If you’ve determined that your hot tub has too much chlorine, there are several ways to lower the levels. You can add a chlorine neutralizer, which will counteract the chlorine and reduce the level. You can also drain some of the water and replace it with fresh water to dilute the chlorine. Finally, you can turn off your hot tub’s circulation system and let it sit for a few hours to allow the chlorine to dissipate.

Preventing High Chlorine Levels

The best way to prevent high chlorine levels in your hot tub is to properly maintain it. This includes regularly checking the chlorine level, cleaning the hot tub’s filters, and adjusting the chemicals as needed. You should also make sure to properly dilute any chemicals before adding them to the water.


Having too much chlorine in your hot tub can be uncomfortable and even dangerous. By understanding the causes of high chlorine levels and how to prevent and lower them, you can ensure a safe and enjoyable hot tub experience.