Quick Answer: Why Is There No Free Chlorine In My Pool?

What should the free chlorine level be in my pool?

The Association of Pool and Spa Professionals recommends free chlorine levels be kept between 2.0 and 4.0 ppm.

The Center for Disease Control recommends free chlorine stay above 1 ppm in pools and 3 ppm in hot tubs.

The easiest way to check your chlorine levels is with test strips..

What is the difference between chlorine and free chlorine?

Total chlorine is the total amount of chlorine in the water. When chlorine binds up with contaminants it forms a compound called “chloramines” that are still part of the total but no longer effective. The chlorine that is still active to remove contaminants is known as free.

Why is my total chlorine higher than my free chlorine?

If the total chlorine level is higher than the free chlorine level, the difference of the two is the combined chlorine level. In order for your pool to be properly sanitized, the free chlorine level must remain higher than the combined chlorine level. This is why it’s so important to test your pool water regularly.

Why is my chlorine level so low?

If you test your pool water and can’t get a chlorine level reading at all it may be due to a very high chlorine demand. … Contamination, low pH or low chlorine stabiliser levels could cause this situation. The water might appear cloudy, the pool walls be slimy or the pool may look relatively OK.

Why does my pool have no free chlorine?

If you test your pool water and can’t get a chlorine reading, it may be due to your pool’s high demand for chlorine. A high chlorine demand (sometimes referred as chlorine lock), simply means that although your water may appear clear and balanced, the chlorine in your pool is ineffective.

Is it safe to swim in a pool with no free chlorine?

Swimming in a pool without chlorine will probably not kill you. You will probably not develop a bacteria that attacks your brain, and you will probably not develop flesh eating bacteria that results in death or major loss of limbs. … Chlorine is the lesser of the two evils when it comes to keeping swimming water safe.

What happens if free chlorine is low?

When the chlorine level is too low, microorganisms like bacteria are able to multiply faster. With harmful bacteria like e-coli, this will quickly cause your pool to be unhealthy, risking any swimmers potentially getting sick. Algae growth. Algae will also grow quickly.

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 “break point.” Therefore, it is good to deal with combined chlorine while it is still small.

How long can pool water sit without chlorine?

24-48 hoursIf you are not adding chlorine to kill bacteria, the pool should be drained every other day. Stagnant water without chlorine, can become unhealthy water in just 24-48 hours.

How often should I add chlorine to my pool?

Ideally, this should be added after swimming or in the evening to ensure that the product can spread well throughout the pool. Also make sure the water is filtered after you have added the chlorine.

How do I break the chlorine lock in my pool?

Another way to break chlorine lock is to shock the pool with a non-chlorine shock. The non-chlorine shock will oxidize the chlorine in the swimming pool. Non-chlorine shock oxidizes the water, restoring the balance and making it cleaner. To break chlorine lock with shock, breakpoint chlorination is being done.

Will bleach raise free chlorine?

To raise the free chlorine by 1 ppm, I add about 40 ounces of an 8.3 percent bleach solution, which is about a third of a jug of bleach. You can scale up and down accordingly; if you need to raise the free chlorine by 2 ppm you would add about 80 ounces. … You should add the chlorine just after the sun sets.

Can I add shock and chlorine at the same time?

Yes, you can add both shock and chlorine to a pool. However, you should not add them at the same time. The best thing to do is to shock your pool first. Then, once the chlorine levels go down to a certain threshold, you can add more chlorine.

What can I use in my pool instead of chlorine?

Here are nine alternatives you may want to consider:Bromine: Bromine is used as an alternative to chlorine. … Ozonation: You can easily install an ozone generator. … Reduction in Water Temperature: … PHMB: … U/V Light: … Ultrafiltration: … Mineral Water Pool Systems: … Pristine Blue:More items…

How do I raise the free chlorine in my pool?

Raise the Level of Pool Chlorine Raising pool chlorine can be much easier than trying to lower chlorine levels. Simply adding chlorine in the form of chlorine tablets, granular chlorine, liquid shock or powder shock will increase the total amount of chlorine within the pool.

Can total chlorine be less than free chlorine?

If the Total Chlorine in your pool is higher than the Free Chlorine reading, then the difference between the two represents the level of Combined Chlorine in the water. If the readings are the same, then no Combined Chlorine is present. The Total Chlorine level cannot be less than the Free Chlorine level.

What happens if you put too much chlorine in your pool?

Excess chlorine can alter the pH level of the water in the pool, making it more acidic. The acid levels can cause any of the following symptoms: Irritant dermatitis which is a red skin rash characterized by raised itchy red bumps. Eye irritation and over-dilated blood vessels in the eyes.

What is non chlorine pool shock?

Non-chlorine shock, such as Leslie’s Fresh ‘n Clear, is an oxidizer. It uses the power of “active oxygen” to destroy contaminants in pool and spa water. This eases the load of your regular FAC residual, allowing that chlorine to stay effective longer.