
The most common reasons include the following possibilities:
- Evaporation
- Running the hot tub during the winter
- A leak in the hot tub
- High hot tub usage
Why is the water in my hot tub not moving?
Aside from not having heat in your hot tub, weak or low water flow is a huge bummer. If the water’s not moving, you may as well be sitting in your bathtub, right? Luckily, the causes are few, so you should be able to identify the problem pretty quickly. A dirty or worn out filter can prevent the water from flowing the way it should.
What are the most common problems with hot tubs?
But you can avoid some of the most common problems by taking proper care of your spa. Create and stick to a hot tub maintenance schedule, including balancing your water chemistry on a regular basis. Top off low water levels as soon as you notice them to prevent error codes, sputtering jets, and even dry fire.
Why does the high limit switch on my hot tub turn off?
If the high limit switch shut your heater off because your water got too hot or you have air trapped in your lines, resetting the heater will get it going again. If you’ve just refilled your hot tub, you may have an air lock, which is when air gets trapped in your plumbing lines, and impedes the flow of water,...
Why is my hot tub pump so loud?
When it sounds like bear cubs wrestling inside your spa cabinet, your pump is probably struggling for water. Clear any clogs from your circulation system. Top off your water. Make sure any valves near your pump are open. This loud, metallic whine is the telltale sign of bad bearings.

Why is my hot tub not holding temperature?
If your spa heater won't heat, remove and clean the filter(s) to rule out a pressure or flow rate problem. Low water level, a clogged pump impeller, closed valves, clogged pipes, or blocked spa drain covers can also cause flow issues.
Is it normal for hot tubs to drop water?
Yup, water loss is considered normal when it comes to evaporation. The standard rate for water loss is about 1 inch a week. This means that, hypothetically, you should add 1 inch a week to keep it at the same level constantly. Of course, you don't need to be that specific or attentive to it.
Does a hot tub deflate when empty?
Once your inflatable hot tub is empty and completely dry, use the Lay-Z-Spa deflation T Joint to quickly deflate your spa. Attach the T Joint to your pump on the AirJet™ outlet, connect the inflation hose to it and the deflation hose attachment to the other end.
Why does my hot tub jets keep turning off?
Thankfully, the most common cause of jets not working is an air lock. Unlike on a spaceship, an air lock in your hot tub simply means that there is air in your plumbing lines which is affecting the function of your jets.
Do hot tubs lose more water in the winter?
Remember that hot water in cold air turns to steam, so your water levels will drop much more rapidly in the cold than in warmer temperatures.
How often do you need to top up hot tub?
With average use, your hot tub should be drained and refilled about once every three or four months. But since everyone uses their hot tub differently, the answer can vary based on how many people use it and how often. Hot tub manufacturers like Jacuzzi offer some handy tips for figuring out when to drain and refill.
How do you fix a deflated hot tub?
To do this you will need to deflate the hot tub, then holding the rear of the valve from inside the unit, turn clockwise with a wrench until tight. Re-inflate the tub then repeat the soapy water process to ensure it is no longer leaking- Job done!
Why does my lazy spa lid keeps deflating?
If your inflatable lid is deflating please follow these steps to resolve the issue: Step 1 ‑ Check to see if the valve is misshapen: Inflate the air chamber and securely close the valve. Wipe around the valve with soapy water to determine whether there is an air leakage.
How long do inflatable hot tubs last?
around 5 -7 yearsWhen considering the lifespan of your new hot tub, you can expect to receive around 5 -7 years of use out of an inflatable hot tub compared to 20+ years of use from a hardshell hot tub.
How do I reset my hot tub pump?
1:112:01How to RESET your HOT TUB - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd don't just turn it right back on you got to give it 30 seconds. Give the software give the logicMoreAnd don't just turn it right back on you got to give it 30 seconds. Give the software give the logic. Some time to actually reset. Wait 30 seconds flip your breakers.
How do I reset the high limit switch on my hot tub?
The High Limit Switch Needs to Be Reset or Replaced Simply reset by pressing the big red button on your spa pack. The high limit switch may be housed in a thermowell. If the water temperature in the thermowell is the same as the water temperature in the rest of the spa, the switch is damaged and needs to be replaced.
Should hot tub jets always be on?
One of the most common questions our team gets asked is "should I leave my hot tub on all the time?" Quite simply, the answer is yes... your hot tub is designed to be left switched on constantly and works best when it is left on all the time. Your hot tub is at it's most efficient if left to run 24/7.
How long can you leave water in a hot tub?
As a rule you should change your water every 3 to 4 months. Sometimes if the spa has had a lot of use it may be a good idea to change the water more often than this. The problem is TDS Total dissolved solids, just like a cup of tea if you keep putting in sugar there will come a time that it just does not dissolve.
Can you inflate a hot tub with water in it?
You certainly can. As long as your air hose connects with both the pump and the air valve and you follow our step-by-step guide, you'll have no issues filling hot tubs.
How do you completely drain a hot tub?
1:472:46How to drain (empty) a spa by gravity if you do not have a submersible ...YouTubeStart of suggested clipEnd of suggested clipJust insert the screwdriver. Behind the rubber gasket. And help push it kind of in a twisting motionMoreJust insert the screwdriver. Behind the rubber gasket. And help push it kind of in a twisting motion. So that opens up and now the water straining out and how long does it take to empty out your spa.
When should I take my inflatable hot tub down?
Although most of the time, it is not recommended to use inflatable hot tubs in air temperatures below 40 degrees F, it has become common for most people to use mobile hot tubs in the wintertime. It turns out that the experience is relaxing.
Why is my jacuzzi leaking air?
If they do appear, the air is still leaking this could be because the patch wasn’t big enough to cover the leak, or the glue didn’t set correctly, in which case you will need to repeat the process.
How to tell if a hot tub repair has worked?
Unfortunately, the only way to tell if the repair has worked is by inflating the hot tub. Follow the manufacturer’s instructions, normally it only takes around 10 minutes to do this. Spray the soapy water onto the patch and look for the bubbles again. Hopefully, there will be none and you can refill your Jacuzzi.
How long does a hot tub leak last?
When a leak has been repaired correctly, with proper cleaning and maintenance it can last just as long as the hot tub itself.
Why does my inflatable spa leak?
Even the best inflatable spas will develop a leak or two over their lifespan, they can happen for several reasons, including frequent usage, age of the unit, lack of maintenance, or being punctured by a sharp object such as a stone. (top-tip – use a hot tub mat underneath)
What happens if you see bubbles forming?
If you see bubbles forming, you found the rupture
How long does it take for a spa to dry after a puncture?
Stick the patch firmly and leave to dry for a couple of hours. We advise waiting for 24 to 36 hours before re-inflating the spa, that way you will guarantee the patch is properly fixed.
Can a tub puncture be repaired?
Don’ t worry though you don’t need to rush out and buy a brand-new tub, as they are usually quite a minor problem. Eventually though, if not addressed, they can develop into a bigger issue. A puncture can be repaired at home or these kits will repair punctures.
Why does my hot tub keep losing water?
When a hot tub suddenly starts losing water, it may be caused by a leak. Leaks can occur in a wide range of places, including the pump, the jets, the heater, and even the hot tub shell. Because it may be difficult to determine where your hot tub is leaking, it is important to check all of these areas.
Can you soak in a hot tub in the winter?
Because most hot tubs are designed to run year-round, many homeowners enjoy taking a soak in their hot tub during the colder months of winter. While running your hot tub during the winter may be an enjoyable experience, it can quickly become a nightmare when the hot tub begins losing water.
Can a hot tub pump leak?
The hot tub pump is one of the most common places for leakage to occur. Before examining the pump for a leak, make sure to turn off the pump’s power. Because much of the hot tub’s equipment is connected to the pump, you may want to turn the entire hot tub off as well.
Can you replace a hot tub heater?
As these components become older or damaged, they may develop cracks, which in turn will cause leaks. While some of these parts can be replaced or repaired, it may be best to replace the entire heater once it begins leaking. Depending on what is causing the leak, you may be able to repair the heater rather than replacing it.
Why is my hot tub not working?
However, if the hot tub is not working at this point, it is most likely due to a faulty heater element which will need to be replaced in order to fix the hot tub.
Why is my hot tub getting hot?
Why Is My Hot Tub Getting Too Hot? The most common cause attributed to hot tubs overheating is a result of the pump running for extended periods of time. This is often due to either extended filtration cycle settings or a malfunction within the control system itself.
How do I reset my hot tub heater?
A hot tub heater can be reset in 4 easy steps. Resetting a hot tub’s heater is a fairly common practice as they tend to trip from time to time and stop working.
How do I cool down my hot tub?
The first step to take when attempting to cool down a hot tub is to reduce the temperature setting to be as low as possible. This usually results in a temperature setting around 80 degrees Fahrenheit.
What temperature is too hot for a hot tub?
Hot tubs should never exceed a temperature of one 104 degrees Fahrenheit. This is the maximum temperature that any hot tub can be set to reach, but it is often still too hot for individuals.
Why do hot tub owners get creative?
Therefore, hot tub owners often get creative in order to find ways to efficiently cool down their hot tub’s water.
Why do hot tubs have filters?
Lastly, increasing the frequency at which the hot tub’s filters are run in order to keep the water circulating to dispel the heat, and some cooling systems that sit on the outside of a hot tub can be purchased to keep it cool.
What to do if your hot tub is too hot?
Start by cleaning your filter, checking for circulation blockages, and topping off your water if necessary.
What happens if you refilled a hot tub?
If you’ve just refilled your hot tub, you may have an airlock, which is when air gets trapped in your plumbing lines, and impedes the flow of water, which will keep it from heating up. Luckily, fixing an air lock is a fairly easy task.
What to do if hot tub breaker is tripping?
If your hot tub is tripping the breaker, you could spend quite a lot of time on hot tub troubleshooting, and less time soaking. A breaker trip is common and usually easy to fix, but any troubleshooting and repairs require you to work with electricity. If you’ll be working on it yourself, remember to turn off the breaker before you begin, and be sure you’re not touching anything wet.
How to tell if your hot tub pump is bad?
This loud, metallic whine is the telltale sign of bad bearings. You may continue using your pump safely, but the noise will only get worse. First, try lubricating the bearings, but eventually, you’ll probably have to replace the circulation pump. Or start using your hot tub with earplugs.
What happens when you turn on your jets?
Or maybe your water is fine, but when you turn on your jets, nothing happens. Or maybe when you turn on your hot tub, the breaker trips. Or maybe your pump kicks on and produces an ear-splitting screech.
What is the best way to soak in a hot tub?
If you wanted to lie around in warm, unmoving water, you’d just take a bath. One of the best parts of soaking in a hot tub is using the jets. But if you’ve got nothing coming out of your jets, don’t fret.
Can you fill a hot tub with gunk?
Don't let your hot tub fill with hard-to-remove gunk. Clear out the gunk and keep your hot tub water fresh. It removes gunk in your pipes caused by lotions, sunscreens, cosmetics, etc.
Why does my hot tub temperature bounce?
The temperature probe should be pushed down securely into the thermowell, and the capillary should not have any kinks. A faulty thermostat is one of the most common reasons for hot tub temperatures to bounce around.
How to tell if hot tub is faulty?
First things first - make sure that your control panel is showing the correct water temperature. Stick a thermometer in the water to see if there’s a discrepancy in the temperature reading , which could indicate a faulty temperature sensor or thermostat. On most hot tubs, this sensor is located just inside of the filter housing. The temperature probe should be pushed down securely into the thermowell, and the capillary should not have any kinks. A faulty thermostat is one of the most common reasons for hot tub temperatures to bounce around.
Is Leslie's Hot Tub Works a partner?
This content was previously featured on the Hot Tub Works website. Leslie's is proud to partner with Hot Tub Works to bring you this helpful content on lesliespool.com.
Why is my hot tub pH low?
If the pH in your hot tub is always low, it could be a natural contaminant affecting the levels in your spa. You might be walking through grass or mulch to get into the spa (or those little kiddos are in and out, in and out!). Maybe you are hopping in the spa immediately after a hard workout.
Why add chemicals to hot tub water?
When you add chemicals to your hot tub water, the goal is to keep it clean and clear. If your pH is always low, it’s important to slowly add a pH increaser.
How does bather load affect water quality?
An increased bather load will affect the levels of your water. Natural contaminants on your body will lower the pH and make it harder for the chlorine to work.
What does it mean to test hot tub water?
Testing the pH of your hot tub water is more than just a measure of how acidic it is. It’s also indicative of whether there are bacteria or other contaminants in the water.
Why is my pH low?
Another common reason your pH is always low might be the water. Yes, it should be neutral. However, local municipalities treat their water so that it is safe for drinking. The EPA recommends that the pH be between 6.5 and 8.5, which is different from the suggested range for spa water. People who do not have city water or use well water might have acidic water as the soil and bedrock affects the pH.
How to increase pH in hot tub?
The best way to increase the pH in your hot tub is to use a product designed to boost the level. Your Master Spas retailer will have professional chemicals designed specifically for spas.
How long does it take to test a hot tub?
Standing next to your hot tub, you are waiting to see where your chemical levels are at. Testing the water takes less than 30 seconds but it can feel longer — especially if you have been struggling with balancing chemicals.
