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Does Chlorine Kill Pool Algae

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How Much Bleach Is Required For A Pool With A Capacity Of 10000 Gallons

Removing Algae From a Swimming Pool : Shocking Swimming Pool Water

A pool with a capacity of 10,000 gallons would need about 0.5 gallons of bleach for a chlorine concentration of 2 ppm.

It is best to use 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.


What Is The Strongest Algaecide

Best swimming pool algaecide for all pools For an all-purpose swimming pool algaecide, we recommend Kem-Tek 60% Algaecide Concentrate. This pool and spa algaecide contains 60% of its active ingredient, polyquaternium WSCP. It’s effective at removing most types of algae and preventing them from returning.

Should I Drain My Pool

No! Definitely do not drain your pool. If you absolutely feel like you need to, call a professional company first and ask them their opinion and how to do it.

If you drain a vinyl liner pool, you could ruin your liner. For concrete and fiberglass pools, the pool shell could float.

Instead, go through the following steps to kill that garbage.

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Check The Ph Value And Chlorine Content Again:

Once you have got rid of all the algae from the pool and the water is crystal clear again, check the pH value and the chlorine content of the water.

Both values should now be at normal levels. If not, you have to balance the pool waters chemistry.

Warning with all steps:

When mixing chemicals, always pour the water first, then the chemicals second and mix. Not the other way around – If you pour chemicals first then water second it can cause a strong chemical reaction that could harm you. In addition, always be careful when handling chemicals, it is best to wear gloves and a proper face mask. Do not inhale the chemicals.

How Does Chlorine Kill Algae

HTH Super Shock! Pool Shock Treatment to boost chlorine levels and kill ...

Chlorine is effective at killing algae because it is a strong oxidizing agent. When chlorine is added to water, it reacts with the water to form hypochlorous acid. This acid is very effective at killing bacteria, viruses, and other microorganisms. It does this by destroying the cell walls of these organisms, which results in their death.

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How Long Will It Take To Clear The Pool

It primarily depends on the size of the pool. Also, algae growth level and type. For example, black algae require much more effort to get rid of it than green algae. Also, pool construction material can lead to a huge difference. A nice estimation for a full grown algae pool can be one to three days for a fiberglass or vinyl pool, while a concrete pool can take a week. But as said, it would depend on the pools size and amount of algae.

How To Prevent Pool Algae Tips

How can you prevent pool algae? Maintaining a clear and clean pool requires effort upfront to avoid pool algae infestations. Balanced pH is essential, so your sanitizers and pool algaecides achieve maximum effectiveness. Proper pH eliminates an environment that pool algae can thrive in by killing algae spores and bacteria.

The same goes for your filtration system. An adequately sanitized filter will effectively remove algae spores and bacteria in the water. Your pool filter needs to run at least eight hours per day to ensure most bacteria are cleaned out.

A sanitized filter paired with constant water circulation prevents pool algae and bacteria from settling in or standing still. Proper water circulation works to thoroughly mix sanitation chemicals and pool algaecides so it can clean algae from your pool.

Rinse and sanitize anything that enters your pool to effectively eradicate algae spores that have stowed away on swimsuits, toys, and pool equipment. Have swimmers rinse off before entering the pool to reduce the quantity of debris and bacteria from being transferred into the water. This will eliminate a nutritious food source for algae to feed on.

Set up a weekly cleaning and shock treatment schedule to maintain a beautiful, algae-free pool.

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Quadruple Shock The Pool

Follow up your brushing with a powerful chlorine shock to your pool, and a big one at that four times the usual dose recommended by the manufacturer on the pool shock you use. Use my pool volume calculator to figure out just exactly how much shock you need to use.

Pro tip place all your pool equipment and accessories in the shallow end of the pool so they can get sanitized during the shocking process.

Run your pool pump for at least 24 hours so the shock can be evenly distributed and do an adequate job at killing the bacteria.

After youve run the pump, brush the pool yet again.

Is It Harmful To Use Bleach In The Pool

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Bleaching with bleach is not harmful to your pool if you are using it properly. However, you should never dump this directly into the water because it can release chemicals that are dangerous to humans. Bleach may also damage some pool finishes so make sure that you read the manufacturers instructions for this chemical before trying to use it in

You should always speak to an expert before attempting to add bleach to your pool if you are concerned about the presence of algae. Bleach can cause problems for your pool if you do not follow instructions or add too much, which is why consulting a specialist can help you to get the best results. In fact, regular testing and maintenance will also go a long way toward reducing algae growth in your pool so you should have this done on a regular basis.

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Pool Algae Health Issues

Is algae in the pool harmful, or can you swim in a pool with algae? You can, but you may not want to, especially for young children, or others with under developed or compromised immune systems.

Small patches of algae here or there is not a health concern, but if the pool is having a full blown algae bloom, with low water clarity and low chlorine levels, it may not be healthy for swimming.

If the chlorine is not killing the harmless cyanobacteria algae, the chlorine is probably also not killing harmful pathogenic bacteria that may also be present in the water.

How Should I Care For My Pool When Im Treating It For Algae

Its important to maintain your pool as you try to get rid of algae. Turn off your pump, cover your pool with a solar blanket, and make sure that the filter is clean. If you have trichlor tablets or another kind of chlorine in the water when you are treating it for algae, remove these chemicals as soon as possible.

Wait before adding chemicals to your pool after shocking it with bleach. If you have a problem with algae once the shock treatment is over, only use a small amount of chlorine and monitor the water on a regular basis so that you can treat it for this problem as quickly as possible.

As mentioned above, chemicals may not be able to completely remove all kinds of algae from your pool, however, they can make this problem more manageable and easier to deal with. Make sure that you maintain your pools chemistry levels and do not add too much chlorine as it can cause damage to the water.

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Shock Your Swimming Pool

Adding shock to your pool super-chlorinates your water. And this extra dose of sanitizer will kill algae growth. The more serious your pool algae problem, the more shock youll need.

We recommend using calcium hypochlorite shock, or cal-hypo shock, as an effective algae treatment. Follow the package instructions to determine the dose for your pool size, then multiply that by two, three, or four depending on which type of algae youve got.

  • Green Algae: Double dose of shock
  • Yellow or Dark Green Algae: Triple dose of shock
  • Black Algae: Quadruple dose of shock

Here is the type of cal-hypo shock we recommend:

Remember to shock your pool at dusk or night. If you shock during the day, the sun will eat up most of the chlorine before it has a chance to kill the algae. And put your cleaning equipment, like your vacuum head or pool brush, in the shallow end of your pool so your tools will get sanitized while the shock is in the water.

Be sure to run your filter for eight hours or overnight to circulate the shock. If theres still a significant amount of algae in your pool, repeat the brushing and shocking process again.

If you need help shocking your pool, check out our guide on how to use pool shock.

Getting Algae Out Of Your Swimming Pool

HTH Super Shock! Pool Shock Treatment to boost chlorine levels and kill ...

Youve got algae in your Florida pool. So, now what? A pool professional will use a specific process for getting rid of algae that begins with mechanical actionphysically brushing the pool to remove algae from the pool surface and get it into submersion. If chemicals are added without brushing the pools walls, they will not be as effective. Its important to note that the high-quality pool pumps and filtration systems work to your advantage because theyll do a better job of removing algae , and maintaining proper water pressure.

After brushing, the goal is to lower the pool water pH so it becomes acidic, so chlorine can be especially effective. Then, chlorine and an algaecide are added to the pool water. The purpose of this regiment is to bring the pool water into an acidic state where it can be shocked by chlorine and an algaecide. Remember, you cant just skim algae off the surface after you brush it from the pool walls because the microscopic particles fall right through mesh.

Most of the time, this algae removal method works effectively right away. We always return to the pool the next day to check on the progress and get a reading of the pool chemical levels and pH. However, if algae continues to be a persistent problem, and we already ruled out other issues such as a faulty pool pump, dirty filter or imbalanced water chemistrythen phosphates are likely the culprit. A phosphate test will tell whether phosphates need to be addressed by using special chemicals.

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How To Get Rid Of Algae In A Pool Without Chemicals

You can get rid of all the algae without using any chemical, just by brushing, filtering, and using the vacuum. But, the fact is, its going to come back soon. Maintaining the balance in the pool and killing the algae is really important. Chlorine prevents microorganisms from growing. So yes, you can kick algae out of your pool. But it will be back in days or weeks.

Vacuum Your Pool Manually

Automatic or robotic pool cleaners arent well suited for cleaning algae. Youll need to manually vacuum your pool on your filters Waste setting. This allows you to bypass your filter, preventing contaminated, algae-filled water from recirculating back into your pool.

When you vacuum your pool manually, pay special attention to areas with algae. And be sure to refill your pools water as you vacuum, maintaining your water level at least halfway up the skimmer. If you want to learn how to properly vacuum your pool, check out our guide on how to use a manual pool vacuum.

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Tips To Preventing Algae

An ounce of prevention is worth a pound of cure, or so they say, and that couldnt be truer than it is with algae.

If you can stay ahead of the problem and keep it from overtaking your pool, you will save yourself hours and hours of unnecessary headache.

But how do you prevent a seemingly unavoidable nuisance?

Well, its not easy, because its true that algae finds its way in, sometimes despite all your best efforts.

However, if you take the precautions we lay out here, you will be miles ahead of the game and able to eradicate algae before it moves in with its whole family.

Ultraviolet Pool Systems And Pool Algae

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UV pool systems are a secret weapon in the battle for better water quality. Ultraviolet pool disinfection has two powerful effects on pool algae. First, any algae that flow through the sterilization chamber will be inactivated . Second, UV eliminates the organic matter found in pool water. In a typical pool, 90% of chlorine is used to destroy organic matter, and 10% is used to sanitize. When UV is installed, there is very little work left for chlorine, allowing for a much lower free chlorine level . In other words, UV makes a little chlorine behave as if it is on steroids.

Learn more about how UV can make pools safe, healthy, and easy to manage.

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What Bleach Cannot Do

Bleach is not effective against all types of algae. For example, it will not work on Blue-green Algae. This type can sometimes develop in pools and is actually caused by cyanobacteria, which are the result of excess nutrients entering your pool.

You should also make sure that you do not dump bleach directly into your pool. This can cause a number of problems, including bleaching your pools finish. Bleach will also release harmful chemicals into the water so you should always pour it into the skimmer or use other methods that do not require dumping chemicals directly into the water.

Why Is It Important To Kill Your Pool Algae

An algae guide from Home Depot briefly elaborates why pool algae is bad for your pool. It explains that algae can clog your pool filters, affect water circulation, and can even prevent your pool chemicals from doing their job. An influx of rain, high temperatures, or low chlorine levels can make these issues even worse.

There are a few types of pool algae, with the most common type of algae being green algae. Home Depot suggests taking these steps to remove algae: first, get a pool water test kit to test your pool for chlorine, stabilizer, and pH level. Then, add a pool shock product to help amplify any leftover chlorine in the pool. Use a pool brush to scrub any areas affected by algae, including the walls, floors, and steps.

Apply a green algaecide, let the water run for 24 hours, and brush all the pool surfaces again. Finally, if need be, you can vacuum or wash any of the remaining dead algae. Once you’ve completed all these steps, you should be OK, but make sure to test your chlorine, stabilizer, and pH levels again to ensure they’re all within the proper ranges.

Don’t forget to clean your pool filter after testing the pool levels again, as your filter just processed a lot of contaminated water!

As noted by Lowes, the best ways to prevent algae from forming include checking the water levels weekly, checking the filtration system is operating well, shocking the pool weekly, using algaecide, cleaning the filter, and brushing or vacuuming the pool regularly.

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How Algae Forms In A Pool

Algae is always present in water, but you can only see it when it blooms since it is a microscopic organism. Blooming is the process in which algae grows, feeds, and multiplies. Algae can also transfer in larger quantities from people or swimsuits that are contaminated by other water sources.

Most of the time, algae blooms because of inadequate sanitation due to either poor filtration or improper chemical levels. It can also form because there is poor circulation in some areas of your swimming pool. Prime real estate for algae growth includes under rails, in corners, and other sheltered locations where treated water may not circulate properly.

Algae will thrive in a pool that has gotten a lot of use. They will feed on almost anything, including dead skin cells, oils, sweat, and garden fertilizer. There are a few different types of algae, and you need to treat each one slightly differently. Lets dive into those types.

S To Reach Sufficient Sanitizing Power

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It is important to perform these three steps in order. A good pool water test kit will include tests for all of these parameters. The first step to maintain ORP is balancing pH. Sanitizers cannot work properly if the pH is too high. We normally recommend 7.4 to 7.6 for swimmer comfort. However, if youre experiencing pool algae, we recommend lowering to 7.0 7.2 until the pool algae is eliminated. A slightly lower pH will increase the power of sanitizers.

Second, test the cyanuric acid level of the pool water. Most of the chlorine sold today in large retail stores contains cyanuric acid. Cyanuric acid is known to stabilize chlorine in sunlight, making it last longer. While a little cyanuric acid is a good thing, too much can destroy a pools ORP. Cyanuric acid doesnt dissipate like chlorine, and can build up to very high levels over time. We recommend replacing your pool water 25-30% at a time if the ORP level is higher than 30 ppm. Ideally, the ORP should be around 8 ppm. Note that the higher the cyanuric acid level, the lower the sanitizing power of your pool water. To prevent problems with cyanuric acid in the future, switch to sodium hypochlorite chlorine.

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