Thinking of Getting a Hot Tub? These are the Things you Need to Know

Thinking of Getting a Hot Tub? Here's the Things you Need to Know

With the weather finally beginning to warm up, it seems that everyone is thinking about what they can add to the garden to make it that bit better, as searches for ‘cheap hot tubs’ have increased by 250%* in the last month alone. And with the increased interest comes an avalanche of questions.

Experts at have therefore set out to answer the most asked hot tub questions, according to, to help keep hot tubs clean and running efficiently this summer.

How often should I change my hot tub water?
There are many misconceptions about how often hot tub water needs to be changed. Some recommend doing it every 3-4 months due to the added chlorine not always dissolving completely. However, others have argued that you should only clean it when it looks dirty. Clean water is clear water; therefore, if it does not look dirty, you should not change it.

How do you clean a hot tub without draining it?
Experts state short-term ways of cleaning a hot tub without draining it, but unfortunately, this only delays the issue of dirty water and eventually, you will have to drain it. says that the most important thing is regularly checking the pH levels of your hot tub daily. Ideally, your hot tub should be between 7.2 and 7.8 on the pH scale. If the PH levels are not balanced, adding the correct chemicals and leaving for a few hours is the best way of ensuring it is safe and clean without draining.

However, adding more and more chemicals should only be a short-term solution, as this will amount to a bigger clean later on. Ultimately, when the water looks like it needs emptying, then you should do so.

Are saltwater hot tubs better? found there are 17,900 monthly global searches** for saltwater hot tubs. The hot tubs are known as being easier to maintain, and the high popularity of saltwater hot tubs can perhaps be put down to the relaxing experience they provide and the fact that they require less frequent use of chemicals such as chlorine.

However, saltwater hot tubs do come with drawbacks. They are not suitable for those with sensitive skin due to the harshness of the salts, and when draining them, the salts can also cause harm to the environment. recommends those that are interested in buying a saltwater hot tub to read all the benefits and drawbacks before purchasing.

What temperature should you keep your hot tub at? suggest that the safest hot tub temperature should be at 40 degrees Celsius. Anything above 40 degrees can be potentially harmful as it can increase blood pressure and heart rate. Generally, it all comes down to one’s personal preference, and each individual should think about any underlying health conditions before choosing a temperature.

Some prunes on a spoon shows you how long you should spend in one!

How long should I stay in the hot tub?
Again, this all comes down to personal preference of temperature and any underlying health conditions. However, ideally, you should stay in the hot tub between 15 and 30 minutes, no longer if the temperature is 40 degrees or over. You can always come back to relax again later, but it is good to give your body a bit of a break.

​Should I leave my hot tub filter on all the time?
Most hot tub companies recommend leaving your filter on for a minimum of eight hours per day, with some requiring 12-24 hours per day. Keeping it on also makes the pump more efficient. As a general rule of thumb, keep it on for a minimum of eight hours but more if you can.

Does a hot tub need to be plugged in all the time?
Yes. Although this might lead to concerns about electric bills, it costs less to keep it on all the time than it does to turn it off and reheat.


  • 1) used to find the most commonly asked questions about hot tubs. This was done by typing in ‘hot tubs’ and using the top seven questions that came up.
  • 2) Google trends was utilised to find the statistics. This was done by typing’ cheap hot tubs’ into the search bar and looking at the trends over the past week to find the percentage increase. Ahrefs was also used to find the searches for ‘saltwater hot tubs’. This was looked at globally and over the past year to find the average monthly searches.
  • 3) Data was collected on 21/4/21.

Thinking of Getting a Hot Tub? These are the Things you Need to Know 2


Editorial Team

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