
- Kills bacteria. Chlorine-based spa shock wipes out any bacteria calling your hot tub home.
- Removes organic compounds from the water. Every time you use your hot tub you leave the likes of body oils, hair, dead skin cells, suntan lotion, and makeup behind.
- Removes chloramines and bromamines. Chloramines are left behind when chlorine reacts with water. They’re what gives off that distinctive swimming pool smell.
- Reactivates your sanitiser. Over time, your sanitiser becomes less effective. Shocking your hot tub will reactivate the chlorine or bromine in its water, giving it a bacteria-killing boost without having ...
What is the best shock for a hot tub?
When to Shock a Hot Tub
- Chloramines and Bromamines. Chloramines and bromamines are the residuals left behind after chlorine and bromine have attached to an invasive molecule in your water.
- Organic Contaminents. The term organic contaminants is a nice way of referring to sweat, urine, dead skin and anything else that a person brings with them into the water.
- Bacteria. ...
How do you shock a hot tub?
Your Lay‑Z‑Spa hot tub water should be shocked when:
- You first fill up your Lay-Z-Spa
- At the first signs of algae or slime
- After periods of heavy usage
- After a loss of water clarity or quality
- After refilling with fresh water
How often should you shock a hot tub?
- Barely-used hot tubs should be shocked once every two weeks. ...
- Most home hot tubs are well maintained if they get a shock once a week. ...
- Hot tubs that get an unusually high amount of traffic should be shocked twice a week. ...
- Hot tubs that are used as a part of a public spa or sauna should be shocked daily, possibly with a smaller quantity of chlorine. ...
Do I really need to shock my hot tub?
Yes, shocking a hot tub once a week is critical for keeping the water quality safe. You can use chlorine or non-chlorine shock with either chlorine or bromine sanitizer. Chlorine shock does a better job of cleaning the water. But bromine sanitizer holds up better in hot water & together gives you great water quality.

What do you put in a hot tub to shock it?
Most products require 17g of non-chlorine shock per 1500 litres of water or 35g of chlorine shock per 1500 litres. Carefully pour the treatment into your spa near the water inlets. This will allow it to circulate evenly. Wait for at least 20 minutes before using your spa.
What is the difference between spa shock and chlorine?
Is Spa Shock the same as Chlorine? Sodium dichlor shock is a form of chlorine and can act as both sanitiser and shock treatment. If you're using a chlorine-free shock product like MPS (potassium peroxy-monosulphate), then this will not have any chlorine in it.
Is bromine the same as shock?
To kill bacteria. Remember that non-chlorine shock is not classified as a disinfectant like chlorine or bromine, but is useful only as an oxidizer. Use chlorine spa shock to kill bacteria or algae.
Is spa shock the same as oxidizer?
Oxidizers are the same thing as shock. There are chlorine-based & non-chlorine products. While sanitizers remove bacteria and viruses from the water, oxidizers remove non-bacterial contaminants & organic matter. They also turn bromamines or chloramine back to their original state helping with the sanitizing process.
Is hot tub shock necessary?
It is essential to shock the hot tub frequently – at least once every week. It is important to use Chlorine shocks as well as non-Chlorine shocks. The use of either bromine or Chlorine depends on your personal choice. Shocking the hot tub for cleanliness is not the only reason why you need frequent shocks.
What happens if you put too much shock in a hot tub?
You only need a small amount of chlorine to successfully sanitize your spa, so it's possible to overdo it if you're not careful. Too much chlorine can damage your hot tub and irritate your skin, eyes and lungs. Thankfully, reducing the chlorine levels in your hot tub is very easy to do.
Can I use chlorine instead of bromine in my hot tub?
If you have a spa, bromine has a lot of advantages over using chlorine. It may cost a little bit more, but it lasts longer and does a much better job than chlorine at killing bacteria, especially at high temperatures and high pH levels.
Which is better bromine or chlorine?
Chlorine reacts faster than bromine. It also means that it will dissipate quicker. Bromine, on the other hand, has a more stable pH and makes it easier to maintain the proper chemical balance in your water. That said, it also reacts to UV which means UV light will destroy the bromine in the water faster than chlorine.
Is it OK to mix chlorine and bromine?
Whether you choose chlorine or bromine, DO NOT: mix them together in the water. This can also cause a dangerous chemical reaction. If you're going to switch from one to the other, you'll need to drain and clean your hot tub, and do a line flush.
What chemical is spa shock?
Spa Shock is commonly available in two different forms. There is chlorine based shock (Sodium Dichlor), which increases your sanitizer levels as well as shocking the water, and non-chlorine shock (potassium monopersulfate or MPS) which is purely for oxidizing the water.
Is sanitizer the same as shock?
SKIMMER NOTES: No. Chlorine and shock are not the same thing. Shock has a more intense chemical strength than the traditional chlorine sanitizers, and it also differs in how you should apply it to your swimming pool. Short answer: No. Chlorine sanitizers and shock are similar but different in strength.
Is water clarifier the same as shock?
It's not a good idea to use pool shock at the same time as clarifier. Some clarifiers are polymer based and the shock can act to break up the polymer causing the clarifier to be ineffective. It's best to shock your pool before and wait a day or two before adding clarifier.
Why Do I Need To Shock My Hot Tub?
Now before tossing in your corded toaster to try and shock your hot tub, know that the process of shocking has to do with chemicals. There are plenty of reasons why you should shock your hot tub water, including:
Hot Tub Shock Treatment
There are many types of shock out there, including calcium hypochlorite, dichlor, lithium hypochlorite, and non-chlorine shock.
How Often To Shock Hot Tub
You can use spa shock at least once every week. Many hot tub owners use it on a regular basis as part of their spa maintenance routines.
What does shocking a spa mean?
Shocking a spa means applying an ample dose of chlorine (sodium dichlor) or non-chlorine shock (potassium monopersulfate or MPS). One purpose of this treatment is to break-down organic waste contaminants which cause odor and cloudy water. After treatment, water quality and clarity is often completely restored.
What is non chlorine shock?
Non-Chlorine Shock - regular use for maintenance. Non-chlorine shock is monopersulfate compound, often called MPS for short. It is an oxygen-based shock, preferred by many because it has little or no odor. Our OxySpa non-chlorine shock is 100% compatible with chlorine, bromine, Cleanwater Blue, Nature2, Frog products, and dichlor shock.
What is the best way to get rid of chlorine?
Many people have switched to alternative purification systems such as Cleanwater Blue or Nature2 to get away from chlorine. It is still a good idea to start these systems with a dose of dichlor.
Is shocking a good sanitizer?
It then becomes hypobromous acid in water, a good sanitizer. Both of these shocking products are 100% compatible with the alternative sanitizer systems that we offer. Regardless of which sanitizer system you use, periodic shocking is essential for clear, clean hot tub water. It will also allow your sanitizer to perform at peak efficiency.
Is chlorine a sanitizer?
Dichlor Shock - occasional use to clear up problems. Dichlor shock is a form of chlorine often called sodium dichlor. Technically it's both a sanitizer and a shock , although we do not recommend chlorine as a primary sanitizer in spas. Dichlor is 100% compatible with bromine, Cleanwater Blue, Nature2 and Frog products, as well as non-chlorine shock.
Does shocking with dichlor clear up musty odor?
Shocking with dichlor is a fast, easy way to clear up many problems like musty odor , cloudiness, and slimy water. Note: always pre-dissolve dichlor in water before adding it to the spa to avoid damage to acrylic or vinyl surfaces.
Does shocking turn chlorine back to chlorine?
If irritating chloramines are present, shocking also converts them back to active chlorine. If bromine is being used, shocking activates the bromide ion, which by itself has no disinfecting capability. It then becomes hypobromous acid in water, a good sanitizer.
Types of Shock for Hot Tub Treatment
There are various types of available hot tub shock. However, only apply specified hot tub chemicals. It’s a small water body and heats up faster than pools, which implies that you might get a reaction different from an application in the pool. Avoid destroying your manufacturer warranty by using only labeled spa chemicals.
How long do you have to wait after shocking a hot tub to get in?
You can use your hot tub almost immediately if you are applying a non-chlorine or natural shock. However, you still need to wait for about 30 minutes for the chemical to dilute with the water. This guide is also applicable to you if you are using a chlorine or chemical shock.
The best way to shock your hot tub
If you have ever attempted to study how to shock a hot tub, you will know it’s a pretty simple process. However, you need to follow show specified steps and safety precautions to get the best result from the hot tub shock.
Caring For Your Hot Tub
Apart from shocking your hot tub occasionally, we recommend that you learn some good hot tub maintenance habits such as changing the hot tub water and cleaning the filters. This can help stall the build-up of contaminants in the water.
How to clean the filters
The easiest way to clean them is by using a cleaner. To go about this, spray the filter with a filter cleaner evenly, then wash away after 15 minutes using a hose. As a second option, you can try soaking your filter overnight with a filter cleaner. This would give the filter an in-depth clean by breaking pleats and oils in it.
FAQ on Hot tub Shocking treatment
Now that you understand how hot tub shock treatment works, you might still have some questions. Beneath are some answers.
Conclusion
Shocking your hot tub is recommended for the safety of your bathers and keeping clean water. The chemicals eliminate contaminants and enhance your sanitizers in doing a good job. It can also save you the stress of having to drain out and refill your hot tub with water. Ensure always to use the shock carefully while paying attention to the package.
