Treatment FAQ

how much shock treatment is needed for 9,000 gallons

by Fausto Bogisich Published 3 years ago Updated 2 years ago

Typically for granular shock, you'll need one pound for every 10,000 to 13,500 gallons of pool water.

How much shock do I need for a 10000 gallon pool?

 · You’ll also need to know your pool size in gallons, and do some math to multiply these amounts (based on 10,000 gallons) for the size of your pool. Oh, and in case you have forgotten, there are 16 ounces to a 1 pound bag of shock, and 128 ounces in a gallon of bleach. ... how much shock treatment should i put in? (it does need it after having ...

What is shock dosing and when should I do it?

This tool will tell you what you need to do in order to correctly shock your pool. Please select the type of pool shock and your preferred sanitizer, and enter your pool's current free chlorine (FC) and cyanuric acid (CYA) / stabilizer levels below. After providing these details, click the 'Calculate!' button. You are currently using U.S. units.

How much does a gallon of liquid shock weigh?

SKIMMER NOTES: Calculate your total pool volume first, then check the package of shock for dosing recommendations by volume. Typically for granular shock, you’ll need one pound for every 10,000 to 13,500 gallons of pool water. With over 8 million residential swimming pools across the US ranging from 5 thousand gallons to over 30 thousand gallons, the amount of shock you …

How many ounces of shock are in a gallon of bleach?

 · The amount of chlorine per gallon of pool water varies depending on the water chlorination you want for your pool. However, for every 10,000 gallons of pool water, 50 to 100 …

How much shock do I need for a 10000 gallon pool?

One poundOne pound of shock treats up to 10,000 gallons of pool water. Also, keep the pool filter and pump running for at least 10 hours during and after you shock.

How much shock do I need for a 7500 gallon pool?

It takes 1 ounce of chlorine in 7,500 gallons of water to equal 1 ppm. We will divide 30,000 gallons by 7,500 to get 4. It requires 4 ounces of chlorine to raise the parts per million of this example pool by 1. The pool already has a level of 2, so we will need to raise the level by 18 to reach our goal of 20.

How much shock do I need for a 7000 gallon pool?

How much shock do I need to shock my pool? A simple ratio and a standard rule of thumb to follow when you shock your pool is to dissolve one pound of either calcium hypochlorite or sodium dichlor for every 10,000 gallons of pool water.

How much shock do I need for 5000 gallons?

NOTE: Be sure to remove your cover before shocking and leave it off at least 8 hours. Use Algicide weekly by adding BioGuard® Backup Algicide. 6 ounces initially per 5,000 gallons and a a maintenance dose of . 75 ounces per 3,000 gallons every week.

How much chlorine do I put in a 8000 gallon pool?

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.

Can you over shock a pool?

Can you put too much shock in a pool? SKIMMER NOTES: It's unlikely but it could happen. It would take a lot of shock to really make the water unsafe for swimming. The best way to make sure you're safe to swim is to test your pool water and make sure free chlorine levels are between 1-4ppm for healthy swimming.

How much shock do you put in a 1000 gallon pool?

For example, HTH Super Shock! asks for one pound per 13,500 gallons. So for a 21-thousand gallon pool, you'd want to round up to two pounds of shock. Always round up to make sure your pool gets enough chlorine.

How much shock do I put in my pool?

Generally speaking, the dosage amount of pool shock is 1 lb. per 10,000 gallons, but consult the shock package label.

How much chlorine do I need to shock a 10000 Litre pool?

The general recommendation is to use 1 pound of cal hypo shock for every 10,000 gallons of pool water, and 10 ounces of sodium hypo with around 12.5% chlorine to sanitize your pool.

Why did my pool turn brown after I shocked it?

Brown pool water is often caused by metals (iron) becoming oxidized in the pool water. If you shocked your pool water and it turned brown you probably have metals. Oxidized iron usually turns a brown or rusty color in the water.

Can too much shock make a pool cloudy?

1) After shock - Sometimes pool water looks cloudy right after you apply shock granules such as cal-hypo, or liquid shock, but rest assured it's only temporary. This could be due to change in water balance – meaning your pool water temporarily goes off balance when adding these products.

How much algaecide do I need for a 5000 gallon pool?

12 ouncesAdd pool algaecide at a rate of 12 ounces per 5,000 gallons of pool water.

How to figure out how much shock to put in pool?

You can get this in 3 different ways: 1) Call the pool company that built your pool. They should have your dimensions and volume on hand. 2) Use a pool volume calculator online.

When to add shock to pool?

Once your pool water is balanced and good to go, it’s time to add shock. Ideally, you want to wait until sundown to add shock to your swimming pool because the UV rays burn off the very chlorine you’re putting into your pool. You should leave the pool uncovered overnight to allow the shock to work, and to avoid damaging the pool cover.

How to add granules to pool?

1) Put on your safety goggles and rubber gloves. 2) Check the package for application instructions. Some Pods and granules tell us to save a step and add them directly to the pool. Remember, this is not a job for the internet. The only instructions you should follow are those you find on the package.

Can you add too much shock to a pool?

Can I add too much shock to a swimming pool? It’s tough to add too much shock to your swimming pool. When you’re measuring the amount of shock to put in your pool, it’s okay to round up. In fact – it’s recommended. You’d have to put an excessive amount of shock in your pool to truly cause dangerous swimming conditions.

What is the ideal pool water balance?

The general and ideal measure of the pool water balance against chlorine is always expected to be between the range of 1 to 3 Parts Per Million (PPM).

Can you shock a pool with liquid chlorine?

Definitely, the liquid chlorine can clear a green pool, but the amount of shock needed to do that depends on the pool’s level of dirtiness. The process will be done for several days before the water is clean enough. However, have it at the back of your mind that you cannot over shock a pool.

Can you shock a pool with bleach?

Note that it is not just the liquid chlorine or the bleach that can be used to shock or sanitize your pool. They are just two ways among others you can consider in shocking the pool. You can also use salt and chlorine tablets to sanitize and clean your pool to give it a refreshing look and a healthy touch on your body or that of any of your family members or guests.

What order do you put chemicals in a pool?

Total Alkalinity helps stabilize, and prevent fluctuations in pH. Adjusting TA first, makes adjusting pH easier later

SANITIZERS

When it comes to sanitizing your pool water, you have a few different options:

WATER BALANCERS

One pound of sodium bicarbonate increases Total Alkalinity by 10 ppm, per every 10,000 gallons. And the ideal range for Total Alkalinity is 80 – 120 ppm.

Closing thoughts: Which pool chemicals do you need, and how much

Here’s a quick recap of which pool chemicals you need to run your pool, and how much:

Why do you shock dosing a pool?

It will ensure a clean, healthy swimming pool by preventing and eradicating issues such as bacteria and algae growth.

When shock dosing chlorine granules should be dissolved in warm water before dispersed around the

When shock dosing the chlorine granules should be dissolved in warm water before dispersed around the pool. Ensure the pump is circulating so the chlorine is evenly distributed around the pool . Concentrated quantities of chlorine will cause the liner to bleach.

What is the recommended chlorine level for an outdoor pool?

Chlorine or Bromine Chemical Levels. Outdoor pools require a reading of 3-5ppm. If a swimming pools chlorine or bromine levels are not maintained and tested regularly this can entail insufficient sanitisation, leading to bacteria and algae growth. A solution to this particular issue is to shock dose the pool.

What does a chlorine shock do to a pool?

The short term raise in chlorine will help break down any organic waste such as bacteria and other contaminants such as algae, slime and loss of water clarity or quality. For a guide on how to shock dose your pool, you can refer to the guide at the end of this article where you will find information appropriate to the size ...

How long should I run a pool filter?

coli and Legionella. - Deep clean or replace the filter your pool and run for at least eight hours.

Does a filtration system help with sanitizer?

A working filtration and circulatory system will help support your sanitiser chemicals break down any bacteria in the pool.

What to do if you put too much shock in your pool?

If you put too much shock in the pool, simply wait it out. If you have a cover on your pool, take it off. The more sun that hits your water, the faster it will dissipate. Technically, if your free chlorine levels are holding up swimming UP TO your shock level, depending on your CYA, is safe.

Why do you need to hit the breaking point when you shock a pool?

You want to reach this breaking point every time you shock your pool to prevent algae from building up. Failing to hit the breaking point can potentially cause more chloramines. There are several different kinds of pool shock. They have different chemical compositions and purposes.

Why do you shock a pool?

The point of shocking your pool is to get rid of all of the dirt, chloramines, and bacteria in your pool by introducing a large amount of concentrated chlorine to your water at once. When shocking your pool, you are adding so much Free Chlorine that it breaks the molecular bonds of the chloramines. You want to reach this breaking point every time ...

Can you over shock a pool?

There might come a time when you “over-shock” your pool. Adding more shock and more shock to your pool won’t speed up the process. In reality, it does the exact opposite. Another mistake that goes hand in hand is measuring your chlorine levels too soon after you have shocked the pool.

Do you need to test your pool before adding shock?

Still, before adding shock or chlorine, we recommend that you test your pool water first. If you are responsible for maintaining your own pool it’s a good idea to keep a good test kit on hand. This helps you to avoid having to run up to your local pool store for a test.

Can shocking your pool cloud your pool?

Normally, shocking your pool can temporarily cloud your pool. If you do not give your pool water enough time to breathe between treatments, you are compiling all of the cloudiness at once. At this rate, you won’t see any improvements.

What is the target chlorine level for a 50 CYA?

Step 2) Look at the Chlorine CYA Chart (link in a previous post). It says, for a CYA of 50, your target FC (free chlorine) level is between 4 and 6 ppm, and your shock level is 20 ppm

Does a pool need a CYA?

Your pool needs CYA - it slows chlorine loss, but it also makes chlorine less effective. 50 where you are is fine (a touch high IMO, but still OK). You do not want it to go higher, or else you will start having problems. CYA does not drop on it's own, the only way to lower it is too drain some water and add fresh.

How to shock a pool with bleach?

Shocking the Pool with Bleach 1 Test the water pH and add sodium bisulfate or muriatic acid to reduce it if it is too high – should be between 7.2 and 7.8. 2 Check the level of cyanuric acid in your pool – it should be between 20 and 50 ppm. 3 Compute the volume of water in your pool. 4 Add bleach to your swimming pool.

Why shock a pool?

The aim of shocking your pool is to increase the concentration of the available chlorine. You can do that with a commercial product that can free the chlorine that has formed compounds through contamination. Another way is to add chlorine or pour household bleach into your swimming pool.

What is the best chlorine level for a pool?

The aim is to hit a chlorine level of 1-3 ppm to ensure that your pool remains safe for the swimmers and free of contaminations.

How often should chlorine be tested in a pool?

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.

How to reduce combined chlorine in 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.

What is the chemical formula for HOCl?

Hypochlorous Acid. 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.

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