How High Should The Water Level Be In A Hot Tub?


There isn’t really a definitive answer to this question since it can vary based on the claimers or what you are using the hot tub for.

Generally speaking, most people fill their hot tubs so that the water level is about midway up the jets.

This gives you enough water to cover the jets and allows for adequate water circulation.

If you are using your hot tub for hydrotherapy, you may want to fill it a bit higher so that the water level is near your shoulders.

This will allow you to maximize the therapeutic benefits of the jets.

Ultimately, it’s up to you how high to fill your hot tub, but following these general guidelines should help you get started.

Can You Put Too Much Water In A Hot Tub?

Yes, you can put too much water in a hot tub. If the level of water gets too high, it can overflow and flood the area around the hot tub.

In addition, if the level of water is too high, it can dilute the chemicals used to sanitize the hot tub water, which could create a breeding ground for bacteria.

Where Should The Water Level Be In My Hot Tub?

There are a few things to consider when it comes to the water level in your hot tub.

First, the water level should be high enough so that the jets are submerged and can operate properly, but not too high that it causes water to spill over the side of the tub.

Second, you’ll want to make sure that the water level is consistent on all sides of the tub so that it’s evenly heated.

Finally, you’ll also want to make sure that there’s enough water in the tub to cover your body completely when you’re sitting in it.

So depending on how high your hot tub is and how deep you like your water, somewhere between 12″ and 24″ of water should be sufficient.

What Happens If The Water Level Is Too Low In A Hot Tub?

If the water level is too low in a hot tub, the heater will not be able to bring the water up to the desired temperature, and people will not be able to enjoy a relaxing soak.

Additionally, low water levels can create a vacuum effect that can suck items (or people!) into the plumbing system.

So it’s important to always keep the water level at or above the minimum line indicated on your hot tub’s control panel.

Does A Hot Tub Have To Be Full To Turn On?

No. A hot tub doesn’t have to be full to turn on, but it should be at least 2/3 full for the jets to work properly.

The reason is that if the hot tub isn’t full, the water won’t circulate and the pump won’t be able to push water through the jets.

And if the pump can’t circulate the water, then it won’t get heated and you’ll end up with a cold soak!

Why is my hot tub water level dropping?

If you’ve noticed that the water level in your hot tub is gradually getting lower, there are a few possible explanations.

One is evaporation: If the hot tub isn’t covered when not in use, water will evaporate into the air.

Another possibility is that some of the plumbing fittings may be slightly loose, which can cause a small amount of water to leak out over time.

Finally, it’s also possible that your hot tub’s Jets are set too low.

If the water level gets too low, the Jets will begin to suck air, which can cause them to become noisy or even damage the pump.

If you’re not sure what’s causing the water level to drop, it’s best to consult a hot tub technician for an inspection.

With a little troubleshooting, you should be able to identify and fix the problem in no time.


  • 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.