Will Hot Tub Water Kill Grass?


Hot tub water can most certainly kill the grass – especially if the water is very hot or saltwater hot tub.

The high temperatures can damage and/or kill the blades of grass, causing them to turn brown or yellow.

In addition, the chemicals in hot tub water (such as chlorine) drain hot tub water can also cause problems for grass, making it more difficult for it to grow properly.

If you’re worried about your hot tub harming your lawn, try covering the area around the tub with a tarp or mat to protect the grass.

Will hot tub water hurt plants?

The short answer is, it depends.

Hot tub water typically contains chlorine or bromine, which can be harmful to plants.

However, the amount of chemicals in most hot tubs water is usually low enough that it will not cause significant damage to most plants.

If you are concerned about the chemicals in your hot tub water, you can always add a small amount of bleach to the water to help break down the chemicals.

You should also avoid using the hot tubs water on plants that are sensitive to chemicals, such as ferns and impatiens.

In general, though, hot tub water is not likely to harm most plants.

Where should I drain my hot tub water?

Where you drain your hot tub water depends on a few different factors.

If you have a septic system, you’ll need to be careful about how much water you add to it and you’ll want to avoid just draining hot tub water from the hot tub directly into it.

The best bet is to drain remaining water drops from the tub onto your lawn or other landscaping. This will give the water a chance to filter into the ground slowly and won’t overload your septic system.

If you’re not on a septic system, you can still drain the tub onto your lawn, or you can even let the garden hose run into a drainage ditch.

Wherever you decide to safely drain your hot tub water, just make sure that you’re not causing any environmental damage or creating an eyesore for your neighbors.

Will chlorine water kill grass?

The simple answer is yes – chlorine will kill grass.

However, the amount of chlorine needed to kill grass will vary depending on the type of grass and the concentration of chlorine in the water.

For example, Bermuda grass is more resistant to chlorine than Kentucky bluegrass.

In addition, lower concentrations of chlorine will kill grass more slowly than higher concentrations remaining chlorine.

As a result, it is important to be careful when using chlorine around grassy areas.

If you are concerned about damaging your lawn, you can always test a small area first to see how it reacts.


  • 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.