Can You Use Rainwater For Hot Tub?


Yes, you can use rainwater for your hot tub. However, there are a few things you need to keep in mind in order to ensure that your hot tub stays clean and safe. 

First of all, you’ll need to collect the rainwater in a clean container. This could be a large bucket or even a rain barrel.

Once you have your rainfall collected, it’s important to then filter the water.

This step is crucial in removing any debris or organic matter that could be present in the rainwater. 

Once you have filtered rainwater, you can then begin to fill up your hot tub. You’ll want to fill it up slowly so that the water has time to adjust to the correct

Is Rainwater Bad For Hot Tub?

No, rainwater is not bad for your hot tub.

In fact, rainwater can be a great way to naturally replenish the water in your hot tub.

However, it’s important to make sure that the rainwater you use is clean and free of any contaminants before adding it to your hot tub.

One way to do this is to collect the rainwater in a clean container and then let it sit for 24 hours before using it.

This will allow any impurities in the water time to settle out so they don’t end up in your hot tub.

What Is The Best Water To Put In A Hot Tub?

The best water to put in a hot tub is clean, freshwater. If the hot tub is located outdoors, be sure to use a garden hose to fill it with cold water.

Once the hot tub has reached its desired temperature, switch the incoming water to recirculate mode. This will keep the water clean and free of debris.

Is It Safe To Use A Lazy Spa In Rain?

It is not safe to use a lazy spa in rain.

The water in a lazy spa is meant to be hot, and when it rains, the temperature of the water will drop significantly.

This can cause the person using the spa to become ill.

Additionally, if the spa is used outdoors and it begins to rain while someone is using it, the electrical components could become wet and could create a safety hazard.

For these reasons, it is not safe to use a lazy spa in rain.


  • 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.