Heavy shocking with granular chlorine will generally require 24-48 hours before the chlorine level has dropped to safe swimming levels (below 5 ppm).

Besides, What is the difference between shock and chlorine?

1) What is the difference between chlorine and shock? … Chlorine is a sanitizer, and (unless you use Baquacil products) is necessary for maintaining a clear and healthy pool. Shock is chlorine, in a high dose, meant to shock your pool and raise the chlorine level quickly.

Keeping this in mind, How can I lower the chlorine level in my pool fast?
Tips to Lower the Chlorine Level in Your Pool

  1. Use the Sunshine. A quick and easy way to dissipate chlorine in your pool is to take advantage of a warm, sunny day. …
  2. Heat the Pool Water. …
  3. Dilute the Pool. …
  4. Use Hydrogen Peroxide. …
  5. Use a Chlorine Neutralizing Product. …
  6. Try Sodium Thiosulfate.

Should I shock pool if chlorine is high?

If your total chlorine level is high, you will use a non-chlorine shock; if it is low, you will use a chlorinated shock. As a rule, you will need to raise free chlorine to 10 times your combined chlorine to hit what is known as ā€œbreak point.ā€ Therefore, it is good to deal with combined chlorine while it is still small.

Which is better chlorine or shock?

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 shock stronger than chlorine?

Using Liquid shock or liquid bleach regularly will increase your pH so make sure you keep an eye on your pH and alkalinity levels. … This type of shock is much stronger than liquid shock typically has 65 to 75 percent available chlorine.

Do I add chlorine or shock first?

This is because when you mix chlorine and algaecide together, it renders both of them useless. Hence, you should first shock the pool and wait for the chlorine levels to fall below 5 PPM.

How high is too high for chlorine in a pool?

What chlorine level too high to swim in? Don’t swim in water with chlorine levels above 10 ppm. Otherwise, you run the risk of serious skin irritation and lots of discomfort. Levels of around 5 ppm are still high but are generally safe for swimming.

How do you know if your pool has too much chlorine?


Chlorine toxicity in pools: causes, symptoms and solutions

  1. Nausea and vomiting.
  2. Coughing and wheezing.
  3. Burning sensation in eyes, nose and throat.
  4. Rash or burning skin.
  5. Shortness of breath.
  6. Dizziness.
  7. Watery eyes.

Does baking soda neutralize chlorine?

For instance, if you have used oxalic acid as the bleaching agent to remove the stains off your wooden article or furniture then you can use baking soda to neutralize it. But with chlorine bleach, it’s not a good idea to use baking soda.

What happens if chlorine levels are too high?

Having too much chlorine in your pool water can be dangerous. Exposure to high levels of chlorine can cause lung irritation, skin and eye damage, and provoke asthma. … High chlorine levels decrease the pH of your pool’s water, making it more acidic. The more acidic the water, the higher the likelihood of corrosion.

How do you know when to shock your pool?


In general, you should shock your pool when:

  1. Algae begins to grow in your pool.
  2. The free chlorine level of your pool measures zero.
  3. The chloramines or combined chlorine level rises above 0.5 parts per million (ppm).

What chlorine level is too high to swim?

At chlorine levels over 10 ppm, swimsuits can begin to fade, and pool covers become damaged, and it may be unhealthy for swimmers. Generally speaking, for overall swimmer comfort and safety, close the pool and keep solar covers removed, until chlorine levels are below 5 ppm.

Should I use chlorine or non-chlorine shock?

Conclusion. Non-chlorine shock is a good option if you want to get rid of organic debris and murky water and go right back to swimming. It is also effective to reduce combined chlorine. If you have an algae bloom or are worried about extra bacteria from a heavy load of swimmers, only chlorinated shock will do the trick …

Can I add chlorine and shock at the same time?

Adding chlorine besides the shock can increase the chlorine content in the water which can make the entire shocking process useless. Hence, it is better if you don’t use the shock and chlorine at the same time. The best time to add chlorine to the pool water is after you have shocked the pool.

Is chlorine stabilizer the same as shock?

Pool stabilizer is also known as pool conditioner, chlorine pool stabilizer, chlorine stabilizer, or Cyanuric Acid. … It’s also included in chlorine tablets or sticks (called trichlor) or shock (called dichlor). When they’re mixed together in shock or tablets, the resulting product is called stabilized chlorine.

Will Shock raise chlorine level pool?

Free chlorine is just that, free. Free to interact with other chemicals, algae, bacteria or the like. … Shocking then releases the combined chlorine and off-gasses the contaminants, increasing the amount of free chlorine in your pool or spa.

How many Litres of chlorine do you need to shock a pool?

You also need to shock your pool with chlorine. Add 2 cups (400 grams) of granulated chlorine (not stabilised) or 3 tubs of 15L chlorine (as it’s actually only 20% chlorine and the rest is water).

Can I add chlorine stabilizer and shock at the same time?

There is no ironclad rule, but you should never shock the pool immediately after you add stabilizer. The cyanuric acid in pool stabilizer can lock and waste the chlorine. Add too much shock and chlorine to the pool and you risk rendering your chlorine useless.

What happens if you over chlorinate a pool?

Chlorine, either solid or liquid, is a pesticide used in pools to destroy germs, including those from feces, urine, saliva and other substances. But excessive exposure to chlorine can cause sickness and injuries, including rashes, coughing, nose or throat pain, eye irritation and bouts of asthma, health experts warn.

What level of chlorine is unsafe?

Safe chlorine levels range between 1 and 3 parts per million. At concentrations above 6 ppm, the pool is unsafe.

Can too much chlorine in pool make it cloudy?

Excessive levels of pool chemicals can cause your water to become cloudy. High pH, high alkalinity, high chlorine or other sanitisers, and high calcium hardness are all common culprits.

What happens if a pool has too much chlorine?

Having too much chlorine in your pool water can be dangerous. Exposure to high levels of chlorine can cause lung irritation, skin and eye damage, and provoke asthma. … High chlorine levels decrease the pH of your pool’s water, making it more acidic. The more acidic the water, the higher the likelihood of corrosion.

Can you swim if chlorine is high?

Too much of a good thing, when it comes to your swimming pool’s chlorine levels, is simply dangerous. While most pool owners worry about keeping enough chlorine in their pool water to prevent disease and bacteria from taking control, occasionally the opposite happens: chlorine levels rise too high to swim safely.

Can your pool turn green if it has too much chlorine in it?

When the levels are properly balanced, chlorine will keep the algae at bay, but the water will slowly begin to turn green as the algae take over if there’s not enough. But be carefulā€”adding too much chlorine in pool water can cause those metals to oxidize and turn the pool a different shade of green.