Shocking the pool means adding extra chlorine to the water to eliminate excess bacteria, algae and other microorganisms from your pool. If you miscalculate and add more tablets or granules than necessary during the shocking process, or during routine maintenance, this can cause a high chlorine level.

What happens if chlorine levels are too high?

Exposure to high levels of chlorine can cause lung irritation, skin and eye damage, and provoke asthma. Not only is it bad for your health, but it can be bad for your pool due to the increase in chlorine. High chlorine levels decrease the pH of your pool's water, making it more acidic.

How long does it take for high chlorine levels to go down?

Sunlight might take at least 24 hours to decrease the chlorine levels, depending on how high they were to start with. But if you drain some of your pool water, you can check it as soon as it's refilled. Sometimes that's all it takes to do the trick.

Can you swim if chlorine is high?

Pools will naturally gas-off chlorine from the surface, and very high levels can irritate airways and lungs. This is especially true for indoor pools. At chlorine levels over 10 ppm, swimsuits can begin to fade. Pool covers become damaged, and the water is generally uncomfortable and unsafe for swimmers.

Why is my pool chlorine level staying high?

Excess Chlorination

In many cases, the simplest reason for high chlorine levels in a pool is because too much chlorine is being added. Chlorine works by binding with microorganisms in a pool's water, thereby dissipating itself.

Pool Chlorine Too High - How To Easily Reduce Your Chlorine Levels

Why is my chlorine not going down?

The most common cause of chlorine lock is an overabundance of cyanuric acid (CYA). Cyanuric acid is commonly referred to as a "stabilizer" and is vital to maintaining healthy chlorine levels in your pool.

How do you free up chlorine in a pool?

Take out about ¼ of your pool water and then refill your pool water with fresh water. After this, allow the water to circulate for at least 8 hours before checking your chemical levels again. The cyanuric acid levels should have dropped and your chlorine levels should have dropped significantly as well.

How long does it take for chlorine to evaporate from pool?

Direct sunlight breaks down chlorine. Without a stabilizer (cyanuric acid) in the water, as much as 90% of free available chlorine could be destroyed within just two or three hours.

What happens if you put too much shock in a pool?

Although, if you overdo the shock treatment, you risk getting green hair from chlorine due to the excess chlorine oxidizing the copper in the water. You can execute a shock treatment with a few different types of pool shock, just be mindful of how much you're using.

What is the highest level of chlorine you can swim in?

The ideal level of free chlorine in the swimming pool is 2 to 4 ppm. 1 to 5 ppm is acceptable and 9 ppm is on the high side. 9 ppm would likely be safe to swim, but could be more of an irritant. Ideally, the level would be alllowed to come down to 5 ppm before swimmers are allowed to swim.

How can I lower my chlorine level quickly?

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.

How do I bring my free chlorine level down?

5 Ways To Lower The Chlorine Levels In Your Pool

1. Stop adding more chlorine. First, if you have a saltwater chlorine generator or chlorine feeder, turn it off. ...
2. Let the sun burn off some of the chlorine. ...
3. Use Hydrogen Peroxide. ...
4. Add A Chlorine Neutralizer, like Sodium Thiosulfate (THIGH-A SULFATE). ...
5. Dilute your pool water.

How do you fix high chlorine demand?

The only way to cure chlorine demand is to give your pool the chlorine that it needs through consistently shock treatments. A general rule to follow is to use 3 pounds of calcium hypochlorite pool shock for every 10,000 gallons of pool water. This may vary depending on the degree of chlorine demand that your pool has.

Will baking soda lower chlorine?

How Does Baking Soda Work With Chlorine To Clean A Pool? Due to the versatile nature of chlorine, it can also be used to clean an acidic pool with a low PH level. But, to get the best out of chlorine in cleaning your pool, your pool water needs to be slightly alkaline.

What neutralizes chlorine?

Vitamin C is a newer chemical method for neutralizing chlorine. Two forms of vitamin C, ascorbic acid and sodium ascorbate, will neutralize chlorine. Neither is considered a hazardous chemical.

Will Shock raise free chlorine?

"Shocking” refers to the process of adding chlorine or non-chlorine pool chemicals to the water in order to raise the "free chlorine” level. The goal is to raise this level to a point where contaminants such as algae, chloramines and bacteria are destroyed.

Can I swim in a shocked pool?

And how long do you have to wait before you can swim? You should wait one hour per pound of shock product added, and then test the water to confirm the pH and chlorine are in the proper range before letting anyone enter the pool.

Why did my pool get cloudy after I shocked it?

High doses of chlorine, like pool shock, can cause temporary cloudiness as it kills contaminants. High levels of pH, alkalinity, and calcium hardness are more likely to cause cloudy water.

Is pool shock the same as chlorine?

Shock is chlorine, in a high dose, meant to shock your pool and raise the chlorine level quickly. Chlorine tabs (placed in a chlorinator, floater, or skimmer basket) maintain a chlorine residual in the water. You do need to use both tabs and shock.

What eats chlorine in a pool?

Although you're adding chlorine to your water, bacteria or algae are overpowering the chemicals causing it not to show up on tests strips or in water kits. Keep in mind, organic materials like algae, leaves, sunscreen, lotions, pee, poop, etc., consume chlorine.

How long does it take for chlorine levels to drop naturally?

Lowering High Chlorine Levels. Wait for the chlorine levels to lower on their own if you're not in a rush. Chlorine levels naturally break down over time. Try waiting 24-48 hours, and then test your hot tub water again.

Does sunlight deplete chlorine?

That gorgeous sunlight you like to enjoy near the pool also affects the chlorine. The sun's ultraviolet rays can cut down the chlorine concentration by 90% in as little as two hours. And on very hot days, the chlorine will deplete faster, becoming a cesspool for bacteria.

How much shock do you need to break a chlorine lock?

The fastest way to do this is by shocking your pool. But not the way you normally do. Your best bet is to triple shock it with calcium hypochlorite. To triple shock, add 3 pounds of shock per 10,000 gallons of water.

How do you tell if there is too much chlorine in a pool?

If the chlorine smell is very strong, however, you may soon spot “red-eyed” swimmers emerging from the pool. That's when the pool water is assumed to have “too much chlorine” in it. Ironically, a strong chemical smell around the pool and “swimmer red eye” may be signs that there is not enough chlorine in the water.

Can too much chlorine make your pool green?

The free chlorine levels might be low.

But be careful—adding too much chlorine in pool water can cause those metals to oxidize and turn the pool a different shade of green. If you're struggling with balancing chlorine, you can consult a pool professional to discuss other options for sanitizing your pool.