What chemicals do you use in a hot tub?

The basic chemicals for hot tub maintenance include a pH increaser, pH decreased, and sodium dichlor chlorine granules.

What chemicals should I put in my hot tub for the first time?

The chemicals you will need to start your hot tub include a pH increaser, pH decreaser, calcium hardness, a metal removal (if using water from rainwater tanks or bore) and a sanitiser.

Do I need to put chemicals in my hot tub?

YES. Chemicals are always necessary for your hot tub. There is no way around it to keep the water safe and comfortable. So if you don’t fancy using chemicals then a hot tub may not be the right choice for you.

Should I Shock hot tub after filling?

It is a good practice to shock with dichlor when you refill your spa. After that, regular maintenance can normally be accomplished with non-chlorine shock. Other times for shock treatment include before or after heavy use and when the spa has been neglected.

How soon can you go in hot tub after adding chemicals?

Chemicals in your hot tub water can be a delicate balance. So it’s crucial to maintain the levels of pH, Alkalinity, and Chlorine or Bromine, also known as sanitizers. You should wait 12 hours before entering the hot tub when you’ve added either chlorine or bromine to allow it to take effect properly.

How do I keep my hot tub water clean?

How can I prevent getting cloudy water in my hot tub?

  1. Shower before using hot tub (don’t use any soap, just rinse off in the water)
  2. Don’t wash swimming costumes in detergent. Just rinse them in warm water after use.
  3. Clean filters regularly.
  4. Make sure your water chemistry is correct.


Can you go in a hot tub without chlorine?

It is important to remember that hot tub chemicals, like chlorine, help maintain the cleanliness and safety of the water for yourself and others. Using your hot tub without chemicals could turn the water green within a matter of hours, posing a huge safety risk to users.

What chemicals do I add to my hot tub after filling?

There are two primary types of sanitizers chlorine, which we have here, and bromine. Sodium-dichlor, chlorine granules are what we, at Master Spas specifically recommend for sanitation. They offer the best results with the features of your hot tub; such as the EcoPur and the ozone systems.

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Which is better bromine or chlorine?

Chlorine works faster to kill contaminants but for a shorter period of time, as it dissipates faster. Bromine kills contaminants more slowly but for a longer period of time; plus, it can help keep water chemistry more balanced due to its low pH, meaning less chemical adjusting is needed.

How often do you add chlorine to a hot tub?

once a week

You should put chlorine in your hot tub at least once a week. However, some people prefer to add a small amount after each use. Finding the best water care routine will depend on how often and how many people use it. Chlorine levels should be between 1.5 and 3.0 ppm.

Why is hot tub water cloudy?

Causes of cloudy hot tub water. When it comes to cloudy water, it’s likely one of a few culprits — high pH, high alkalinity, and low sanitizer. Dirty filters, body care products, and old water can also be responsible for cloudy water.

How often should you change the water in your hot tub?

once every three months

It’s a straightforward question, and the answer is just as straightforward. We recommend you completely change the water in your hot tub at least once every three months.

How do I keep my hot tub water crystal clear?

How to Keep Hot Tub Water Crystal Clear

  1. Get A Good Cover. Covering your hot tub when it isn’t in use is one of the best ways to keep dirt and other detritus out of the water. …
  2. Shower Before Entering. …
  3. Use A Skimmer. …
  4. Keep Up with Your Water Testing. …
  5. Add the Proper Chemicals. …
  6. Empty, Clean and Refill. …
  7. Clean and Change Filters.
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How do I make my hot tub water crystal clear?

Shock the spa.



Using a non-clorine shock, you can usually clear the water fast without having to raise your sanitiser level too high. Working with your clean filter, the shock will clear the particles and in most cases will solve the issue.

Can you use chlorine tablets in hot tub?

Chlorine tablets are very cost effective and arguably the cheapest way to kill bacteria in a hot tub. Tablets offer a good solution for those who don’t use a hot tub for period as they ensure chlorine is dispensed slowly over time.

Why is my hot tub cloudy but chemicals are good?

The most likely cause for your cloudy water is either due to high usage, an inadequate amount sanitizer, or both. Luckily, the fix is simple. Whether you use bromine or chlorine, add the recommended dosage and allow it to filter.

What does baking soda do to hot tub water?

As many homeowners know, the ideal pH for a hot tub or pool should be between 7.2 and 7.8. If the water is too acidic, it’s going to quickly to wear out the heater element. Baking soda can raise the alkalinity of the water and bring your pH back up to an appropriate level.

Can I put vinegar in my hot tub?

Vinegar is safe to use on a hot tub or spa. White vinegar is an acetic acid solution made from grain and water, and is used for both cooking and cleaning. Using vinegar to clean a hot tub or spa is a safe and effective method.

What causes pH to drop in a hot tub?

Why is my hot tub’s pH low? Many things can lower the pH in your hot tub: You might have added too much pH reducer in an attempt to lower the pH of your hot tub. Your local water source may have a low pH, this may be the culprit if you are continually having to add pH increasing chemicals.

What makes the pH go up in a hot tub?

Hot tubs in particular generate a lot of bubbles and tend to have higher temperatures. This combination creates a gas called carbon dioxide very quickly. Carbon dioxide builds up and makes the pH go up. This is why hot tub owners, on a regular basis, need to add something to lower their pH and alkalinity.

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Do you adjust pH or alkalinity first?

Check Total Alkalinity (TA) first, then adjust for proper pH range. Proper TA will buffer pH, that is, it will help to prevent pH fluctuations. Use fresh, high quality test strips. Excessively high bromine or chlorine levels can result in false pH and TA readings.

Does spa shock lower pH?

Natural contaminants on your body will lower the pH and make it harder for the chlorine to work. Adding too much shock, especially if the pH is already low, will make it harder to get your water in the proper range. When you add chemicals to your hot tub water, the goal is to keep it clean and clear.

Does chlorine raise pH in hot tub?

Hot tubs are often at a pH level of 7.2 – 7.8. Adding chlorine will increase this number slightly, but because the chemical also reacts to form hypochlorous acid, which reduces acids and makes your hot water less acidic, there’s no change unless large amounts of chlorine are added.

What happens if you put too much chlorine in a hot tub?

If theres too much chlorine it will vaporise and form gas that floats just above the surface of the water. If this vapor is inhaled it can inflame airways and exacerbate certain breathing conditions. Read more What Temperature Should My Spa Pool be at and Why?

How do I add chemicals to my hot tub?

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And then add them one at a time to the surface of your hot tub water wait at least 20 minutes or until the chemical is completely dissolved before adding the next chemical.