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How Much Bleach For 1000 Gallon Pool

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How Much Chlorine For 1000 Gallon Pool

Using Bleach To Chlorinate Swimming Pool

To know the amount of chlorine to add to your pool volume, you need to always round up the pool volume to the nearest 5000 gallons of water. But a thousand gallons of water since its not up to 5000, will consume 3 oz. of chlorine. Add this quantity to your pool while the filter is running. This quantity of water will raise your pools chlorine level to 3 ppm.

Use Strong Chlorine Solution

If possible, scrub interior surfaces of storage or reservoir if applicable with a strong chlorine solution containing ½ gallon household bleach, or ¼ gallon of pool chlorine to every 5 gallons of water.

Make sure there is adequate ventilation. Enclosed spaces are dangerous and can cause illness or death.

How To Use Bleach To Sanitize And Disinfect Your Pool

Bleach, like any other kind of pool treatment, is best used in specific concentrations — that is, youll want to be able to detect a certain amount of chlorine in your pool water. Too little, and you wont effectively sanitize your pool water and surfaces. Too much, and your pool water might become too harsh to use.

The ideal range for added chlorine is between one and three parts per million — thats between 1-3 ppm in more scientific parlance. If you aim for 2 ppm, you should give yourself enough wiggle room in either direction.

Clorox itself recommends using between 100 and 200 ounces of regular-strength bleach per 10,000 gallons of pool water — one gallon is 128 ounces, and many bottles of bleach are available in one-gallon or half-gallon sizes.

Pool professionals tend to recommend more conservative amounts of bleach. Ive seen recommendations ranging from one quarter of a gallon per 10,000 gallons of pool water, which supposedly raises chlorine levels to 2.5 ppm, to one gallon per 30,000 gallons of pool water, for about 2 ppm of chlorine.

Most recommendations assume youll be using standard bleach, which is about 5% to 6% chlorine. If youre using concentrated or extra-strength bleach, or any other formulation above the typical 5% to 6% ratio, youll need to use different amounts.

Remember when I told you to store your bleach indoors?

The most common chemical stabilizer for chlorine is cyanuric acid.

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Why Pool Stores Dont Recommend Bleach

If you go to a pool store, you will find out that they do not suggest that you use normal chlorine as a bleaching agent. They will recommend you to use their products. Most pool stores are selling chlorine tablets that are combined with other chemicals, and they are released slower, which makes them last longer. While this is certainly an easier solution, stabilizing the bleach reduces the effectiveness of killing the microbes in the pool.

On the other hand, Clorox bleach is considered to be one of the most common bleach products for pools. Therefore, bleach can also be used in the pool and it is a very safe product. Clorox bleach consists of a 5.7% concentration. Keep in mind that when you add liquid bleach to a pool, it is still needed to add a little amount of stabilizer with it. This is because the sunlight can eliminate the bleach molecules in the pool if it is not added.

How To Clean A Green Pool With Bleach

How Much Bleach for 1000 Gallon Pool

Some of you may wonder, is bleach good enough to solve the green pool problem? The answer is yes. Bleach contains 50% of chlorine which is contained in liquid chlorine for the swimming pool. It has 3 powers that can kill the algae, which are:

  • Sanitizing keep the hygiene of the water by killing microorganisms
  • Disinfecting help to kill living contaminants that may carry diseases.
  • Oxidizing eradicate waste and ammonia excreted by the swimmers.

Using bleach is only effective for green algae, the least severe case of the problem. If you experience much worse kinds of algae like the ones with black and yellow appearance, you may need a more complicated solution.

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Is Liquid Chlorine Higher Than Tablets

As well as to being cost-effective, the tablets require minimal labor and have a much higher shelf-life. Nonetheless, since liquid chlorine requires extra frequent readjustments, has a restricted shelf-life, and is required in giant volumes, utilizing the pill chlorine could also be a extra perfect possibility for many pool house owners.

How To Disinfect A Childs Wading Pool

Many of us want to cool off in a backyard pool, but we also want to make sure there are no dangerous bacteria lurking in these pools that do not have any filtration system in place.

You can use Clorox® Regular Bleach2 to treat the water in a childs wading pool. Below is information about this that should help you determine how much bleach to add for your specific situation. You will need to know the diameter of the kiddie pool in feet, and the depth of water you fill it with in inches.


Clorox® Regular Bleach2 a 6.0% sodium hypochlorite solution containing approximately 5.7% available chlorine by weight is a convenient, economical source of chlorine for water treatment in swimming and wading pools. Also, because this product is a liquid with no insoluble particles, it is especially suitable for this use.

When chlorinating wading pools, use 1/8 cup per 100 gallons of new water. Mix required amount of Clorox® Regular Bleach2 with 2 gallons of water and scatter over surface of pool. Mix uniformly with pool water. Empty small pools daily.

Do not reenter pool until the chlorine residual is between 1 to 3 ppm.

The chart below is a guide to the amount of this product to add to various sized round pools.

Pool diameter

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How Much Bleach For 1000 Gallon Pool

Typically, the amount of chlorine to add to your pool water, especially if it rounds up to 5000 gallons, is 3 ounces. Are you wondering how much bleach for 5000 gallon pool? For a pool holding 5000 gallons of water, use 20 ounces of bleach.

However, for a 1000 gallon pool of water, you wont need as much bleach as we already calculated for a 10,000 and 5,000-gallon pool.

Shocking your 1000 gallon pool will require a 1/20 gallon of bleach to get your pools chlorine level to 5ppm. Youll need a fraction of that amount which is 1/25 gallons of bleach, to raise the chlorine level to 2.5ppm.

How To Add Liquid Chlorine To Pool

Clear Water Maintenance for Small Pools up to 5,000 Gallons: Clorox Pool& Spa
  • Post author

As long as you have a swimming pool, youre going to need chlorine to maintain it. Thats 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.

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A Swimming Pool Chemical Calculator

Adjust sliders to calculate the amount of bleach or chlorine to raise free chlorine levels in the pool.

Chlorine is the most popular disinfectant for swimming pools. There are three main measurements for chlorine, Free Chlorine , Combined Chlorine , and Total Chlorine . 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.


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.

Hypochlorous Acid

Chemical Formula: HOCl

Hypochlorous acid plus Hypochlorite Ion 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-


Chemical Formula: NH2Cl

Tips About Pool Chlorine

How Much Chlorine Should You Add To The 1000 Gallon Pool

Are you tried to make the water clean in the pool? Then you have to add the 3 oz of liquid chlorine for 1000 gallons of water. It gives you a chlorine level of about 3ppm.

Also, know how much chlorine you need for a pool? First, use one tablet in the pool feeder. Now, floater or skimmer for 10,000 gallons of water you use in every week. Otherwise, you have to maintain chlorine residual for 1-4 ppm.

Also, how much shock do you have to need for a 1000 gallon pool?

If you want to shock your 1000 gallons pool, you need 0.05 gallons of bleach for the chlorine level to 5 PPM.

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What Time Of Day Is Best To Shock A Pool

The ideal time to shock your pool is in the evening after all swimming is complete. In the evening because the sun will not be boiling the chlorine out of your pool, and after everyone is done swimming because shocking is going to bring the chlorine level up to a level that may be irritating to skin and eyes.

Ought To I Shock My Pool When I First Fill It Up

How Much Bleach for 1000 Gallon Pool

At first youll add chlorine in whats referred to as shock ranges an additional heavy dose to start your pool off. A shock dose coupled with additional circulation will be certain that all of the water will get handled correctly at first. Now its time to maintain the water hardness in test, in any other case generally known as alkalinity.

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Why Should You Add Bleach To A Pool

Most people are aware that adding chlorine, much like those found in pool shock kits, will raise your pools pH well and potentially kill bacteria and mold. What you may not realize is that many of the cleaning products that feature chlorine have too many stabilizers in them to effectively kill bacteria quickly. Bleach will keep your pool water crystal clear.

Much like the way you need to shock a hot tub, pools need to have the bacterial buildup in them killed off. Otherwise, the water in the pool will become too dangerous for people to swim in.

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Which Chlorine Test Kit Should I Use

After you figure out how much chlorine to put in water storage tank, you may want to have a chlorine test kit on hand to know the chlorine residual after you have chlorinated your storage tank.

Having test kits offer two main benefits:

  • You can tell if you have added sufficient chlorine to your tank because you can measure the chlorine levels.
  • You can know when the chlorine has dropped to safe levels if you need to use the water in the home.
  • There are two main types of chlorine test kits for easy home use, and they are liquid drop types and test strips.

    A common low-range chlorine test kit uses Orthotolidine which turns yellow if chlorine is present so it is easy to use.

    Test strips are easier to use but for low range, the reagent type may work better in our experience.

    You also may want a High Range Kit if you are shock chlorinating the tank with high levels of chlorine over 5 PPM.

    A low range kit allows you to check for chlorine levels if you are adding chlorine to maintain a low level residual, or you want to know when it is safe to use the water.

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    Is It Possible To Use Chlorine In A Small Pool

    Foremost, you have to shock the pool with a larger tablet, then wat for getting the level to fall below the three ppm. Then, you have to check the level before allowing anyone to use the pool.

    And, use bleach for every 100 gallons of water, and the pool holds ¼ tsp. for every gallon for a smaller inflatable pool.

    Bleach Vs Pool Chlorine: The Basics

    INTEX POOL Chemistry 101 (Above Ground Pool) | Swim University

    First, lets clear something up: bleach is chlorine. Pool-grade chlorine and a jug of Clorox are essentially the same thing, chemically. However, theyre not made with the same concentrations of chlorine.

    Pool-grade chlorine, which you can usually buy in tablets, granules, or as a liquid, tends to be available in formulations of between 65% and nearly 100% chlorine. Pure chlorine is known as hypochlorous acid.

    Most popular pool-grade chlorine is formulated as calcium hypochlorite in granule or tablet form, which tends to be on the lower end of the concentration range. Many tablet-based treatments are formulated as trichloro-s-triazinetrione, or tri-chlor. A tri-chlor tablet can deliver nearly 100% pure chlorine when dissolved in pool water.

    A jug of bleach, like Clorox, is mostly water. Bleach contains about 5% to 6% sodium hypochlorite, which means roughly 95% of your jug of bleach wont do anything useful to clean your pool. Some bleach formulations may include colorings and fragrances, which can negatively affect the quality of your pool water.

    Liquid chlorine treatments are also mostly water-based, but should typically have at least 10% sodium hypochlorite in a solution without unwanted color or fragrance additives.

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    How Much Bleach Should I Apply To My Pool

    The quantity of bleach to be applied to a pool is not always specific however, to be sure, carry out a test on your pool for the chlorine level. The purpose of applying bleach in the first place is to increase the chlorine level to 1-3ppm, so your pool is free from contaminants.

    Your pools chlorine level should be adequate so as to avoid getting eye irritation when swimming. The concentration level of most bleaches used is usually around 5.7% concentrated. It is also necessary that you know the quantity of water in your pool before applying bleach.

    How Do I Add Bleach To The Pool Water

    Most pool stores do not suggest using simple chlorine as a bleaching agent. They want you to use their products for adding bleach to the water. Most pool specialty stores will sell slow dissolving tablets of chlorine that when combined with other ingredients, stabilize the chlorine, so it releases slower, thus making it last longer. Although this may seem like the easier solution, stabilizing bleach greatly reduces the effectiveness it has on killing the microbes that need to be removed from your pool.

    The chemicals that are used in these tablets, such as dichlor, break down very slowly and difficultly and overall you cannot control how much of it is going into the water. Therefore, the new chlorine that is added via tablet will attack the dichlor and immediately be stabilized and will not attack the bacteria that you are trying to eliminate.

    The tablet is rendered effectively useless, and in a few weeks, the result will be a cloudy pool. More than likely, you will be stuck in a situation where the pool store will sell you additional expensive products that will not fix your problem. This is a costly mistake.

    Do not forget, however, when you add liquid bleach to a pool, you still have to add a small amount of stabilizer, so the sunlight doesnt eliminate the bleach molecules immediately. This step should not be too difficult since you are controlling the amount of stabilizer you should be able to prevent over stabilization.

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    When Pool Water Temperature Rises

    Bacteria and other organisms such as algae thrive in warm water. In addition, the amount of free chlorine decreases with rising temperatures.

    Most pools are kept at a comfortable level of 86-88 °F. The temperature should be lowered to a range of 78-84 °F if there are a lot of swimmers or if the pool is used for athletic activities. You can use a pool thermometer to measure water temperature.

    If the temperature rises above the recommended levels, you should shock your pool.

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    How Many Gallons Of Bleach To Shock Pool

    How Much Bleach for 1000 Gallon Pool

    Now, that you know the most natural source of chlorine to use, how many gallons of bleach will shock your pool? To find out the quantity of bleach to use in your pool, you need to know the chlorine level. You can do this testing through the use of a chlorine pool testing kit. The level of chlorine your pool should attain before being deemed safe for use should fall between 1-3ppm therefore if your pool is not at that level, you need to use bleach to shock the pool.

    The most recommended bleach product to use is Clorox as it has a concentration of 5.7%. So if youre shocking say 5000 gallons of pool water, youll be needing 24 oz or 3 cups of Clorox to raise your chlorine levels. If youre not sure about the quantity of water your pool holds, multiply the length of your pool by its width and multiply their answer by the depth of the pool. This should give you an estimated volume.

    Multiply your estimated volume by 5.9 if you have a round pool, and by 6.7 if your pool is oval, or by 7.5 if its rectangular. The final answer would determine how many gallons of water your pool contains.

    Now to add any bleaching product to your pool, use the measurement of ½ gallon of bleach to 10000 gallons of water. This would raise your chlorine level by 5ppm.

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