Your pool must be protected from germs, bacteria, algae and a variety of other organics. Without reservation, chlorine is simply the best sanitizer for your outdoor pool. There are other sanitizers available but, in one way or another, they all fall short of chlorine. Adding chlorine to your pool can be done by using household bleach in your pool, liquid pool shock, or many other forms. Let’s take a few minutes to learn more about adding chlorine to your pool.
Okay, you’re convinced. Now, let’s get some chlorine in your pool. It is important to understand that chlorine is a consumable item that is constantly being consumed and must constantly be replenished. Usually you must add about 2-3 ppm daily to keep the pool properly sanitized. Here are the various ways you can do that:
Household bleach and liquid pool chlorine are the two common sources. They are identical in every aspect except strength, household bleach is typically 6%. Pool chlorine typically sold at pool stores is usually around 12%. Avoid bleach that states splashless, scented, or any type of fabric enhancers (i.e. polymers). These byproducts can cause cloudiness or foaming in a pool. Basic, plain unscented, non-thickened bleach is ideal.
The huge advantage of liquid chlorine is that it introduces nothing into your pool except chlorine and a small amount of salt. It’s almost the perfect chlorinator except for one thing…it’s very bulky and, as a result, the handling of it is a nuisance compared to other forms.
Commonly sold as tablets or pucks that you simply put into an automatic container that passes pool water over them and they slowly dissolve – putting chlorine and Cyanuric Acid
Cyanuric acid, often called stabilizer or conditioner, is an organic chemical compound added to pool water. CYA does not naturally occur in water and will only be in water if added.
Cyanuric acid interacts with chlorine in two distinct and very important ways:
- Protects chlorine from degradation by UV light
- Buffers the harshness of chlorine.
pH indicates how acidic or basic the water is. In a simple sense, pH is a measure of the hydrogen ion concentration ( [H+] ) in your pool water. The pH scale is logarithmic and reversed, which means it measures things in orders of magnitude and smaller numbers are a representative of larger hydrogen ion concentrations. For example, a pH of 7 means there’s ten times as many hydrogen ions in solution as compared to a pH of 8.
The pH scale runs from 0 (highly acidic) to 14 (extremely alkaline).
A convenient, usually powdered, form of chlorine. It’s big advantage, like trichlor pucks, is it’s convenience. Long term, that convenience makes you pay a price. Roughly 1/3 of Cal-hypo is Calcium that, again, goes into your pool water and you can’t get it out. Constant use of cal-hypo usually results in the calcium level getting way too high in your pool which can cause scaling or cloudiness.
A stabilized, granular, fast-dissolving form of chlorine. Because it dissolves so easily, it is often sold as “shock”. Like trichlor, dichlor adds chlorine and CYA to your water and lowers the pH. Use of dichlor can raise your CYA level very quickly.
A convenient powdered form of chlorine. Like liquid chlorine it doesn’t add anything that will cause problems to the water. However, it is generally far more expensive than any other form of chlorine.
Salt Water Generators (SWG)
SWGs (salt water chlorine generators) – Installed in your circulatory system and electrically powered, SWGs produce chlorine from the salt that you have added to your pool. A different article, Salt Water Chlorine Generators, covers them more thoroughly. Briefly, ease of use is by far their single best feature. The large initial investment to purchase the system is their big drawback.
Synopsis: Liquid chlorine (bleach) or an Saltwater Chlorine Generator
A Saltwater Chlorine Generator uses the salt in your pool water to create chlorine for your pool. The electrolytic cell generates chlorine gas and hydrogen gas. The chlorine gas rapidly dissolves into the water as Free Chlorine. The hydrogen gas bubbles out of the return (hydrogen is not soluble in water). How much Free Chlorine ppm is added depends on your pool volume, the rating of the generator, the runtime, and the % generation setting.
- Water Chemistry
- Just Getting Started
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How to Chlorinate Your Pool – Trouble Free Pool
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Post a picture of your pool equipment pad. If you want a SWCG, I am confident our members can work out a plan.
Or just add liquid chlorine EVERY DAY the pool is open.
- Jul 25, 2021
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@Selenap you must understand that people don’t write a post just to rave about their SWG. Those with problems are a very small minority, many who don’t understand how the device works. Those of us who love our SWGs have no need to start a thread and write a post saying so. My SWG for example worked flawlessly for 9 years, then it was time to replace the cell and so far its working flawlessly again.
Do give the SWGs another think.
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Last year, I was in your situation, I replaced the liner and all my water, so I was starting with a clean slate. For 16 years, I struggled to keep the CYA under control with Tri-Chlor tablets.
When the liner was installed, I used bleach to get me up to the proper chlorine levels during the fill process. Then once the pump was in operation, I used tri-chlor tablets until the CYA reached 50ppm, then I switched over the 10% bleach. My pool looked better than it ever did. The water was crystal clear and had a sparkle.
I saw the reports on the chlorine plant fire in Louisiana last year and I realized that with the expected tri-chlor shortage, more people would be using bleach and I expected a bleach shortage. Due the expectation of the chlorine shortage, I purchased a SWCG last fall, and installed it this spring.
My experience with the SWCG this year has been fantastic, I brought the chlorine levels up to the proper level with bleach in the spring, and turned on the SWCG, and it has been maintaining between 4.5 & 7ppm chlorine for the season. I have added some di-chlor (just to use up my old stock & boost my CYA a little). We went on vacation for a week, and during that week we got 10″ of rain, most of my chemistry levels were effected by the addition of almost 5000 gallons of water, but when I returned, my first chlorine reading was 5 ppm, exactly at my target level.
If and when this SWCG fails, I will immediately replace it. SWCGs are not perfect, but neither is manually dosing with bleach.
Bleach is one of the ways some swimming pool owners choose to maintain there swimming pool chlorine levels throughout the swimming season. I have used this method in the past as well and if you follow the proper steps, it is one of the easiest ways to keep your pool sparkling clean.
When you are using bleach as your swimming pools chlorine, you will need to test your swimming pools water chlorine levels daily. Once you determine the current chlorine level, you will need to add the appropriate amount of bleach required to bring the chlorine level to about 3 to 5 ppm. You will need to repeat this step daily to replenish the chlorine that burnt off the previous day.
When using bleach as your primary source of chlorination for your pool, testing the chlorine levels daily is very important. The active ingredient in bleach is sodium hypochlorite. This is the same ingredient found in swimming pool chlorine, tablets and what salt chlorinates generate when using the salt method.
When you add bleach to your swimming pool the sodium hypochlorite is raised in your swimming pools water which raises the chlorine levels.
When I was using this method I always tried to maintain a minimum chlorine level of 3 ppm. The amount of chlorine you will lose over the next 24 hours will be based on the current temperature, possible rain showers, and the CYA levels in your pool.
During the hottest of the summer, I would add enough bleach to bring the chlorine levels to about 5 ppm. This is because I would expect to lose about 2 ppm of chlorine before the next days test.
If it was cooler or I was only losing about 1 ppm of chlorine per day, I would try to only add enough bleach to bring my current levels to about 4 ppm.
There are some experimenting required and over a few days, weeks and weather events you will become an expert when using this method.
DPD POWDER CHLORINE TEST
There are a number of ways to test your water chlorine levels including test strips and dropper bottles, however the more accurate and the way I recommend testing it is with a DPD powder test kit.
When you use this testing method, you will be able to get your chlorine level accuracy within .5 or .2 ppm depending on the amount of water used during the test. It is much more difficult to get that accurate of a reading when trying to depend on the human eye to match colors in determining the levels.
STEPS WHEN USING DPD POWDER
- Fill water tube to the 10 ml or 25 ml mark.
- Add 1 scoop of DPD powder to the tube after you have added the water and swirl the water around. The color of water will turn pink if chlorine is present.
- Next using the bottle of DPD Titrating Reagent that was provided with your test kit, add 1 drop to the pink water and then swirl. Repeat this process until the water turns from pink to completely clear while counting how many drops you have added.
- If you added 10 ml of water to your tube, you will multiply the number of drops you added before the water turned clear by .5. This will give you the amount of chlorine that was in your pool. For example, if you added 5 drops to make the pink turn clear the amount of chlorine in your pool is 2.5 ppm. (5 x .5 = 2.5). If you added 25 ml of water to the tube the steps are the same however you would multiply the number of drops added by .2. This will give you an even more accurate reading, however will use more drops. I recommend using the 10 ml method most of the time. This will get you to within .5 ppm of your chlorine levels.
ADD BLEACH TO YOUR POOL
Now that you have determined how much chlorine is in your swimming pool, you can add the bleach needed to bring your levels back to optimum levels.
There are a lot of variables that goes into determining how much bleach you need to add to your swimming pool. You can use this pool calculator website that will ask a few questions and help you determine the amount of bleach needed.
I have also added a table below for the most common pool sizes based on water volume to help you determine the amount of bleach you may need to add.
|Pools Water Volume||Amount Of 6% Bleach Needed To Raise 1 PPM|
|5,000 Gallons||10 Ounces|
|7,500 Gallons||16 Ounces|
|10,000 Gallons||21 Ounces|
|15,000 Gallons||31 Ounces|
|20,000 Gallons||41 Ounces|
|25,000 Gallons||52 Ounces|
For example, if you tested your swimming pools chlorine levels and determined that there was 2 ppm of active chlorine in 15,000 gallon pool and would like to raise it to 4 ppm you can use the chart above. It would take 62 ounces of bleach to raise the level by 2 ppm.
KNOW YOUR CYA LEVELS
When you are using the bleach method in keeping your swimming pool sanitized, knowing your CYA levels are very important as well. The lower you CYA or Cyanuric acid is in your pools water, the faster your chlorine will dissipate.
If you have no CYA in your swimming pool, you may lose all your chlorine fast especially on a warm and sunny day. This will result in your pool becoming less clear and require a lot more bleach and cost you more money.
PERFORM A CYA TEST MONTHLY
A CYA test is very easy to do if you have the proper testing kit which including Cyanuric Acid Reagent. You will also need a tube that has a black dot on the bottom that you can see when water is added to the tube.
- Fill the tube provided with water to the 7 ml line.
- In the same tube add the cyanuric reagant until it reaches the 14 ml line.
- Close the lid and shake the tube well for about 1 minute.
- After shaken, pour the mixed tube into the other tube provided that contains the black dot little by little looking through the top of the tube. Once you can no longer see the black dot stop filling the tube. The current water level will have a number on the side and that is your CYA levels.
Monitoring your CYA levels monthly and your chlorine levels daily is key to maintaining a healthy and clear swimming pool when using bleach as your primary chlorinating method.
What is the Best Way to Put Chlorine into My Pool?
November 4, 2019, by Executive Blue Pools Team
A key part of proper swimming pool maintenance is adding the appropriate chlorine to your swimming pool. People ask us all the time, what is best? Should I add chlorine to my skimmer baskets? Should I add a floater to my swimming pool? Is it best to use an in-line chlorinator? Here are the basic facts about each option.
The best way to put chlorine into a swimming pool is by using an in-line chlorinator. At Executive Blue Pools, we usually install the Pentair Rainbow 320 chlorinator. An in-line chlorinator is exactly what it says it is. An in-line chlorinator allows water to flow into it. The water flow causes a very small bit of chlorine tablet to mix with the water flowing through the chlorinator.
Then the freshly chlorinated water flows out of the chlorinator and into the pool. So the chlorinator is “in-line” with the water flowing through it. An in-line chlorinator is best because it introduces very small amounts of diluted chlorine into the pool.
A pool should have 3-5 parts per million of chlorine in it. This is a very little amount of chlorine. If a swimming pool has higher than 5 parts per million of chlorine in the swimming pool, it can do damage. We can help with all these questions. Call us today at Executive Blue Pools at 469-340-2757 or visit us at https://executivebluepools.com.
How Should I Chlorinate My Pool If I Don’t Have an In-Line Chlorinator?
If a swimming pool does not have an in-line chlorinator, then the second-best way to chlorinate a swimming pool is with a floater. A floater is a small container that bobs around the pool and is filled with chlorine tablets. The key here is that we want diluted chlorine mixed throughout the entire pool as far away from the swimming pool equipment as possible.
While a floater does not distribute chlorine as evenly as an in-line chlorinator, it is still a great form of swimming pool chlorination. Never put chlorine tablets into the skimmer baskets of your pool. Some pool companies will put chlorine tablets directly into the skimmer baskets of the pool. Never allow anyone to put chlorine tablets in these skimmer baskets. Why not you may ask.
Chlorine tablets in the skimmer baskets introduce too much-concentrated chlorine into the swimming pool in too close proximity to the swimming pool equipment. High levels of chlorine close to the pool pump, pool filter, and pool heater can damage the equipment. The pool heater is especially susceptible to having the copper in the heater get into the pool and ruin the pool plaster.
Your questions about pool water chemistry or proper swimming pool chlorination can be answered by Executive Blue Pools. We would love to serve you as your premier all in one swimming pool company. Call Executive Blue Pools at 469-340-2757 or email at [email protected]
Published by Executive Blue Pools Team
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By Ironman Pool Care
As long as you have a swimming pool, you’re going to need chlorine to maintain it. That’s because chlorine is the one effective chemical that works against harmful microorganisms, and thus, keeping the pool sanitized. But how do you apply it? Surely, you must have realized that there must be more to it than simply throwing some powdery substance into the pool and hoping it dissipates well enough before your next dive. What quantity do you apply based on your pool size and how do you do it? This article will show you how to add liquid chlorine to the pool so that you can ensure your water is clean before the next dive.
How to Add Liquid Chlorine to Pool
All the questions mentioned above are all valid questions you need answered prior to adding liquid chlorine to your pool.
Before you get to the actual application though, know that some of the easiest chlorine products to apply in your pool are of the liquid chlorine variety. They usually come in measured quantities, so it’s easier to pick the gallon in accordance to your pool size.
Besides, liquid chlorine can easily be connected to your mechanical chlorinators – meaning you may not need to monitor the whole chlorine maintenance process, because it will be done automatically.
Chlorine Application – Frequently Asked Questions
How Should I Apply Chlorine To My Pool?
You can either feed the liquid chlorine through your pool’s mechanical chlorinator, or pour the solution directly into the pool – preferably while the pool’s filter is running.
When Is The Best Time To Apply Chlorine?
The first thing you should take note of, in regard to chlorine application is sunlight. Before any application, make sure there’s no sunlight, which leaves early mornings and evening as the best time to apply chlorine in your pool.
How Much Chlorine Should I Add To My Pool?
That depends on a few things. If you add chlorine to the pool while the filter is running (which is always encouraged), you may get a slightly different concentrate than if the filter isn’t running. The most important factor though is the size of the pool. You’ll need about 52-104 oz of liquid chlorine per 10,000 gallons of water. This amount should get the chlorine level to between 5 and 10 ppm.
What’s the Active Ingredient In Chlorine?
What’s the pH Level?
Between 12.3 and 12.9
What’s The Right Quantity Of Chlorine To Add When Winterizing?
If the water is clean and clear, then add about 3 oz of liquid chlorine per 1000 gallons of water – while the pool filter is running. This should give you a chlorine level of about 3 ppm .
Liquid chlorine is one of the safest means of sanitizing your swimming pool , without worrying about putting excess (since each gallon contains a measured quantity) in your pool. It’s a non-inflammable liquid, thus extremely safe to use. Keep in mind that you can always attach the liquid chlorine to the mechanical chlorinator of the pool – if you’re worried about how to apply liquid chlorinator to the pool manually. You can use it both during bikini season, to keep the pool sanitized, and during winterization and openings.
So, are you looking for ways on how to add liquid chlorine to pool? You can either feed the liquid chlorine through your pool’s mechanical chlorinator, or pour the solution directly into the pool. This is preferably done when the sun isn’t out so that you achieve the best results. For additional help or pro-tips, contact the pool professional at Iron Man Pool Care .
With the summer months just around the corner, there is nothing more refreshing than going for a dip in the pool on a hot day. Your pool becomes the hub of your home when it’s warm out and keeping it clean is very important to you. The question that many pool owners face around this time of year is how often should they add chemicals to (shock) their pool. This is very important to know because if you shock your pool too often, you won’t be able to use it as much. On the other hand, if you don’t shock your pool enough, you run the risk of inviting algae to settle on the pool floor and walls. We have provided a few things for you to keep in mind when adding chemicals to your pool.
When to Shock Your Pool
You may be adding chemicals to your pool a little too often and don’t even realize it. If you regularly clean your pool, there isn’t much need to shock your pool at all, but there are certain times of the year when people don’t pay much attention to their pools. This time includes the winter and fall seasons when the climate generally doesn’t permit pool use. In the ensuing spring season is when you should focus on shocking your pool to get rid of whatever bacteria that has settled during that idle period.
Types of Pool Shock
The two most common types of pool shock are chlorine and non-chlorine. As they are similar in function, they have certain specifications that you should be aware of when applying them to your pool.
Probably the most common pool shock is chlorine. This method increases your pool’s chlorine level to 10 ppm. This intense amount of chlorine destroys any contaminants that may be in your pool. The only drawback is that you must wait a while for the chlorine level to drop back to 3-4 ppm until safe to swim in. We suggest that you use this method if you haven’t cleaned your pool in a while.
Non-chlorine pool shock will oxidize contaminants but does not have the ability to kill bacteria. After applying the non-chlorine shock to your pool, you only need to wait approximately 15 minutes before swimming in it. We suggest the use of non-chlorine if the pool is regularly maintained and you are just looking to do a quick clean.
You may not have the time to monitor your pool or you just rather have a professional manage it. Look no further than Blue Chip Pool Service to keep your pool swim-ready year round. We have serviced pools in the Boca Raton area for 10 plus years and look forward to you being the next benefactor from our 5-star pool cleaning service. Visit us online or give us call at (561) 907-4862 to get your first pool cleaning free!
A Swimming Pool Chemical Calculator
Adjust sliders to calculate the amount of bleach or chlorine to raise free chlorine levels in the pool. Calculate PLEASE FILL IN ALL FIELDS!
Chlorine is the most popular disinfectant for swimming pools. There are three main measurements for chlorine, Free Chlorine (FC), Combined Chlorine (CC), and Total Chlorine (TC). Free Chlorine is most commonly tested because it represents the amount of chlorine free in the water for disinfecting. Chlorine is very effective at eliminating most microorganisms in the water that cause disease, bacteria, and algae. Some parasites such as Cryptosporidium and Giardia are resistant to chlorine and need to be treated with UV or Ozone.
RESULTS SHOWN HERE
More About Pool Chlorine
Swimming pool chlorine levels should be tested daily or every other day if a chlorine generator is used. Chlorine is constantly being consumed by sunlight and contaminates. It is important not to let the Free Chlorine levels reach zero. Once Free Chlorine is zero, there is nothing to protect the pool water from microorganisms and other contaminants.
Chemical Formula: HOCl
Hypochlorous acid (HOCl) plus Hypochlorite Ion(OCl-) is what’s referred to as “Free Chlorine.” HOCl is the active agent responsible for the oxidation of both organic and inorganic materials in chlorinated water. HOCl is formed when chlorine is dissolved in the water.
The formula is as follows:
FC = HOCl + OCl-
LOW FREE CHLORINE EFFECTS 4ppm:
Chlorine between 2-4 ppm Free Chlorine is recommended for residential pools and 3-5 parts per million for commercial. Shocking the pool requires raising the free chlorine over 10ppm. Negative effects from high chlorine greatly depend on the amount of Cyanuric Acid (CYA or Stabilizer) present in the water. Swimmer discomfort comes mostly from high levels of Combined Chlorine(CC) and unbalanced pH. Free Chlorine(FC) levels >10ppm should be avoided until it drops. To reduce chlorine levels either wait and Free Chlorine levels will naturally fall or use a chlorine neutralizer.
Chemical Formula: NH2Cl
Also called Chloramines, are one of the main sources of discomfort and irritation in a chlorine pool. chloramines cause red itchy eyes, irritated skin and irritated mucous membranes. The bleachy smell around chlorine pools comes from the chloramines or Combined Chlorine in the water. Pools with extremely strong chlorine smells have high levels of combined chlorine and are more likely to lead to swimmer discomfort.
Tips About Pool Chlorine
STORE BLEACH IS CHLORINE TOO
Bleach you purchase in the store is nothing more than liquid chlorine and can be used in the swimming pool to raise the pool chlorine levels. Bleach can come in different concentrations. Avoid scented bleach and bleach with additives.
DOES pH EFFECT CHLORINE?
Yes. At a ph of 8.0 the chlorine is only 3% effective and at a pH of 6.0 the chlorine is 97% effective. This is a drastic swing in effectiveness and is why monitoring the pH is so important. The ideal range for swimming pool pH is between 7.4-7.6 leaving the effective pool chlorine around 50%.
HOW MUCH CHLORINE TO SHOCK THE POOL?
To reduce the amount of combined chlorine it is necessary to shock the swimming pool water to reach the chlorine break point. An easy why to factor the necessary amount of chlorine to shock to hit break point is to increase chlorine ppm ten times the total combined chlorine. To ensure chlorine break point was reached after shocking, total chlorine should equal free chlorine and both should raise in tandem when more chlorine is added.
HOW LONG AFTER PUTTING CHLORINE IN THE POOL CAN YOU SWIM?
As long as the chlorine levels are less than 5ppm, the recommended safe zone, it is fine to enter the pool immediately. Although, most pool operators run the pump and filter for 2-4 hours before allowing swimmers. Use chemical reagents or test strips to find the current chlorine ppm.
ELIMINATE THE NEED FOR CHLORINE:
Unlike chlorine, Oxygen Pools water treatment eliminates microorganisms, parasites and bacteria for pools up to 20,000 gallons. One less chemical to buy, measure and balance. The Oxygen Pools Program uses two components: A Dynamic Oxygen Generator and a weekly dose of the nontoxic, non-chlorine additive.
Want A Chlorine Free Pool?
Oxygen Pools is the first true chlorine free solution for above ground pools. Say good bye to chlorine.
POOL CHEMICAL CALCULATOR APP
Track and chart chemical test history for multiple pools. Save pool equipment configuration. Save operating notes, warranty details and manufacturer support info for each piece of equipment.
Every pool owner must be familiar with the term ‘chlorine’ since it’s one of the most important chemicals that you have to add to the water. The main job of chlorine is to kill the harmful contaminants so you can swim around the pool with hygiene water safely.
There are actually three types of chlorine in your pool water which are; free chlorine, combined chlorine, and total chlorine. Each one of them has to be maintained properly (in other words, should be in an ideal range) in order to keep the water safe to use for everyone.
So, what is the difference between each type of chlorine of your pool water? Well, here’s the short explanation:
- Free Chlorine – This is actually the one that works in sanitizing the pool. The word ‘free’ refers to the purity of the chlorine itself which hasn’t been combined with the contaminants. It’s the active chlorine that kills bacteria, algae, and other harmful things around the pool.
- Combined Chlorine – As the name suggests, this type of chlorine has been combined with other contaminants. It’s still there in your pool water but has less ability to kill the contaminants.
- Total Chlorine – It’s not really a ‘type of chlorine’ but it’s the term to refer to the accumulation of free chlorine and combined chlorine.
From the short explanation above, free chlorine is actually the one that you have to keep in the water. When it’s below the ideal range, you have to raise it as soon as possible or you may have an unsafe swimming pool.
The tutorial on how to raise free chlorine in pool will guide you to solve the problem quickly.
How to Raise Free Chlorine in Pool Tutorial
The effort that we’re going to do to raise the free chlorine in your swimming pool is shocking. Some of you may have known this kind of maintenance process which simply means super-chlorinating the pool or adding chlorine in a more ‘extreme’ way safely.
Prepare these supplies:
- Pool chlorine shock
- Pool tester kit
- Ugly clothes
- Rubber gloves
- Eye goggles
Those are the supplies that you have to prepare once you know that the free chlorine of your pool water is below the ideal range.
Get the Shock Ready
When you prepare the chemicals, you have to wear all the protective gear since it may harm your skin and eyes. Also, you may need to wear ugly clothes since the chemical can also damage linens.
- Pool shocks are available in granular and liquid form, you can choose the one that suits your needs.
- For the granular shock, commonly, you need to dilute it while the liquid shock can be added to the pool water directly.
- Just follow the manufacturer’s instructions to find out how to use the shock and the amount that you need for your swimming pool capacity.
Start Shocking the Pool
After you get the chemicals ready, you can start shocking the pool.
- Again, you just need to follow the manufacturer’s directions on how to add the shock to the pool water.
- You may need to evenly add the shock around the edge of your swimming pool or pour it on the area which is close to the circulation jet to spread the chemical to the water.
- Leave the pool for about 12 hours to let the shock work.
Test the Water
Retest the water after you have let the shock in the water overnight. Instead of the tester strip, water tester kit is more recommended since it can test the amount of free chlorine and give a more accurate result.
- Use the tester kit to check the amount of free chlorine of your pool water.
- Balance all the chemical levels if they are not in an ideal range, dig some research for it.
- When you are sure that the level is ideal, you can enjoy the water back.
Run the Filter
After the shocking process (which kills the harmful contaminants), you need to run the filter to remove them from the pool water. Run the filter of your pool for about 24 hours to finish the step.
Well, that is the tutorial on How to Raise Free Chlorine that you can follow! Have a nice try then!