How long does liquid chlorine last in pool?

Author: Janick Rau  |  Last update: Wednesday, May 18, 2022

Liquid Chlorine has the shortest shelf life of all your pool chemicals, losing up to 50% or half of its potency six months from when it was first opened and up to 90% after a year.

How often should I add liquid chlorine to my pool?

As long as you test and actually KNOW what you have and what you need in the pool, you can manage it any which way that works to keep the levels up. Around here we usually suggest that you keep your chemicals "separate", that is, add exactly as much CYA as you need, then add exactly as much chlorine as you need.

How long is liquid pool shock good for?

Properly stored, pool shock has a shelf life of over 5 years.

Is liquid chlorine better than tablets?

Liquid chlorine is preferred over chlorine tablets by pool professionals however home swimming pools will benefit too. Liquid chlorine quickly raises or maintains chlorine levels without raising stabilizer. Chlorine tablets maintain chlorine levels and add stabilizer to the pool water.

Which is better liquid chlorine or powder?

Powdered chlorine is the most typical form of chlorine used in a domestic pool environment. It is typically only slightly more expensive than liquid chlorine but it is much easier to use and has a lower pH, therefore has less impact on your pool's balance when used.

Liquid Chlorine or Granular Chlorine Compared - Shock Your Pool

Should I put chlorine in my pool every day?

Daily as needed and indicated by measurement. One caveat, however: if your total alkalinity and pH are not where they should be, you will find it difficult to keep enough free chlorine in your pool water. Adjust your alkalinity first, then correct your chlorine.

Can you put too much liquid chlorine in a pool?

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. Instructions for safely chlorinating a pool usually call for a maximum of four parts per million when people are in the pool.

Is liquid chlorine the same as shock?

Liquid chlorine and granular shock have the same active chemical that sanitizes your pool, what changes is the strength and the way you use it. Liquid chlorine is less costly, unstabilized and comes in liquid form. Granular shock is stabilized and comes in a solid form that dissolves in your pool.

Will liquid chlorine clear a green pool?

This is the main event in clearing a green pool—killing the algae. Pool shock contains a high level of chlorine that will kill the algae and sanitize the pool. For the best results, use a shock that contains at least 70% available chlorine, and shock the pool twice.

Can you shock your pool with liquid chlorine?

Shocking a pool with liquid chlorine or a granular pool shock kills or inactivates pathogens and algae. Shocking will also oxidize other unwanted materials inhabiting the pool water.

How often should I shock my pool?

How Often Should I Shock My Pool? Shocking your pool regularly will help to keep the water clean and free of contaminants. You should aim to shock your pool about once a week, with the additional shock after heavy use. Some tell-tale signs that your pool needs to be shocked are cloudy, foamy, green, or odourous water.

Can I add liquid chlorine during the day?

Liquid chlorine is not stabilized and will burn off quickly in sunlight. Therefore, it should be administered in the evening, after the sun has set. Hold jug of liquid chlorine as far away from your body and as far into the pool as is comfortable and safe.

Does liquid chlorine raise pH?

Liquid chlorine does not raise pH. When added to water, liquid chlorine (which has a pH of 13) makes HOCl (hypochlorous acid – the killing form of chlorine) and NaOH (sodium hydroxide), which raises pH.

What happens if there is not enough chlorine in a pool?

Statistically, a pool without chlorine is more likely to make you sick because of the possibility of being exposed to the things not contained or killed by chlorine. Remember, your skin is porous, so microscopic impurities can pass through. A pool sans chlorine is akin to a big puddle of murky water.

Can I just throw chlorine tablets in my pool?

NEVER just throw them into your pool water. This will cause them to dissolve on the floor and it can damage and create a permanent bleach stain to your liner or concrete.

Should I shock pool after rain?

Shocking your pool isn't necessary, although, it's not a bad idea either. If you get an extremely heavy rain fall, you could shock your pool for good measure. This will help fight off any contaminants that the rain may have brought to your pool.

Should I cover my pool every night?

You should cover your pool every night for several reasons. First off, a pool cover saves energy and conserves water by decreasing the amount of make-up water. Also, it reduces the consumption of chemicals, and finally, it saves a lot of cleaning time since it keeps the debris out of the pool.

Is it OK to swim in pool with high pH?

A pH level of 7 means that water is neutral; above 7 means the water is alkaline, while below 7 indicates acidity. Aim for a pH level of between 7 and 7.6. If the water pH is higher than 8, anyone who swims in the pool is at risk of skin rashes, while a pH of lower than 7 can sting swimmers' eyes.

How do I know if I have too much chlorine in my pool?

You Notice Signs of Eye or Skin Irritation

If you or your family members start experiencing signs of irritation during or after you swim in the pool, there may be too much chlorine present. You could notice that your eyes are itchy, red and watery, or you might notice that your skin is very dry, very itchy or very red.

Will liquid chlorine raise alkalinity?

Liquid chlorine and bleach (sodium hypochlorite) have a pH of 11.0 to nearly 13.0 so it is logical to think that they will raise the pH of the pool water. The fact is that initially or upon addition liquid chlorine raises pH because sodium hydroxide (lye) is made.

What time of day should you add liquid chlorine to pool?

Since liquid chlorine will burn off quickly in direct sunlight, it's best to add it to your pool in the evening. Wait until the sun begins to or has set.

What is the best time to put chlorine in a pool?

The best time of day to shock pool is when the sun is down. So, experts recommend shocking your pool in the evening or at night, to make sure it does its job. Shocking during the day can be ineffective as UV rays from direct sunlight significantly reduce free chlorine levels.

How much liquid chlorine should I put in my pool per gallon?

The basic balance of chlorine to water is between 1 and 3 ppm, or 0.00013 ounces of chlorine per gallon of water.

Should you run your pool pump all the time?

As long as it runs for at least 8 hours in every 24-hour period, you're good to go. Overall, the lessons learned today is you should run your pool pump an average 8 hours a day to properly circulate and clean your water. The pump should push your entire pool in gallons in this 8 hour period of time.

Do you run the filter when you shock a pool?

A pool filter should be run for a minimum of 6 hours after shocking a swimming pool. This is to allow the filter to clean the water and give the shock enough time to fully mix with the pool water. Running the filter after shocking for 24 hours to 7 days is necessary if the pool has a large amount of algae.

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