Hot Tub Chemicals: How to Maintain Your Hot Tub

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Having a hot tub is one of the best investments you can make when it comes to your leisurely needs. It’s a great way to unwind and relax, whatever the season or time of year. But as important as the need to unwind and relax is in such a commodity, it’s just as important to maintain it.

How to Maintain Your Hot Tub

Maintaining and cleaning your hot tub is a necessity to keep it working and in stable condition. Neglect is never a good habit in whatever scenario, and your jacuzzi is no exception to the fact. Despite the necessity, you may be thinking or even doubting that such a task is beyond your knowledge or capabilities. Well, you would be wrong, because in this article we’ll be going over how to not only clean but maintain it and keep it in that same pristine condition that you got it from on your first day of purchasing.

Maintaining Your Hot Tub

Step 1: The Materials and the State of the Water

The first step to maintaining your hot tub is to keep the water inside it clean. Using it over time will build up excess toxins and grime inside it, and the longer you go without cleaning it, the more dirty and murkier the waters inside will become. To ensure that they’re properly cleaned, it’s important to have the materials on hand to do so. In this case, they are a list of chemicals, each one usually used in the purpose of cleaning your hot tub. They include:

Chlorine – one of the most common chemicals in hot tubs and swimming pools. It is a cleaning sanitizer that neutralizes bacteria and other microorganisms inside the water. To understand how much Chlorine we need to add and put in the hot tub, click this link:

Bromine – an alternative sanitizing solution should you not have access to chlorine. It’s a stronger sanitizer than chlorine and its effects last longer as well; even its smell is less strong for those with sensitive noses. However, it tends to be more expensive.

pH Increaser and pH Decreaser – pH (potential of hydrogen) is a measurement system used to determine how acidic or how basic a liquid solution is. Having one too high or too low is no good for any liquid, and the water inside your hot tub is no exception to the rule. Keeping your pH levels in good measurements, which is between 7.2 or 7.8, is ideal and should be within your range when maintaining it.

Alkalinity Increaser and Alkalinity Decreaser – the amount of alkaline in the water is also important to keep track of. That’s where the alkalinity increaser and decreaser come in. They help measure and maintain pH levels as well, preventing drastic changes in them. When maintaining alkaline levels, you will want to keep them in between 80-120 ppm (parts per million).

Calcium Hardness Increaser – calcium hardness is another term for defining the amount of dissolved calcium in water solutions. The calcium hardness in the waters should fall between 150-250ppm so as to prevent corrosion of components inside.

Salt – this is dependent upon whether you own a spa or hot tub that uses saltwater. Salt is an alternative to both chlorine and bromine and is much gentler and soother to the skin than the other two chemicals.

These are the main chemicals needed for hot tub cleaning. It’s important to have these chemicals on hand to ensure proper maintenance and upkeep of your hot tub.

Step 2: Adding the Chemicals to Water

⦁ Test the water – make sure the water inside is up to necessary levels before adding chemicals. Only do so if the water falls below or above expected levels.
⦁ Adjust pH and alkaline levels – use the increasers and decreasers to help shift and level pH and alkaline levels within waters.
⦁ Add sanitizer – add the required amount of sanitizer solution, do not go above recommended levels.
⦁ Wait and then retest – wait for at least 30 minutes before testing the water again.
⦁ Enjoy the waters – if the water falls within chemical parameters, all that’s left is to take a dip and relax.

Maintain Your Hot Tub
Maintain Your Hot Tub

Tip: It is important that you add the chemicals in the necessary order so as not to compromise your hot tub’s water. The order in which the chemicals should be added are as follows:

  • Alkalinity increaser and reduction agent
  • pH increaser and reduction agent
  • Calcium hardness increaser
  • Sanitizing solution

Doing these chemicals in any other order could compromise your pH and alkaline levels, making the process less effective. For more information about hot tub chemicals, click here.


Proper maintenance and upkeep of your hot tub is a process that is often overlooked; make sure you’re not one of the people that does. Following these steps, from chemicals to maintenance levels, will help ensure that your hot tub is in a pristine condition to use every time you make use of it.

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