Treatment FAQ

why does my above ground pool keep getting algea and not clear even after shock treatment

by Elian Yundt Published 2 years ago Updated 2 years ago

Algae problem There is a very good chance that your pool water has become cloudy due to dead, whitish algae floating in the pool following a chlorine shock treatment. Alkalinity, pH, calcium, or heavy metal levels too high Alkaline pool water has a too high pH value.

If your pH is not too high, filtration issues are likely the cause of your cloudy pool. The issue may depend on the type of filter. If you have a sand filter, it could take a week or more for the pool to completely clear. That's even if it's a working sand filter.Mar 1, 2022

Full Answer

Why didn’t my swimming pool algae treatment work?

Here are some reasons why that didn’t work. 1. It Wasn’t Caused By Algae Did you know that algae growth isn’t the only reason your swimming pool water can turn a murky shade of green? The first is water with high copper content. This primarily happens when first opening your pool. You fill it up, shock the pool, and then it goes green.

Why is there green algae in my pool water?

The reason for algae growth is usually poor filtration or a lack of disinfectant solution. Typically, green algae are brought into the pool from algae-rich waters through swimwear or toys. Pool owners often mistake yellow algae for pollen or sand.

How are you affected by above ground pool algae?

How are you affected by above ground pool algae? If you see any dark mold looking substance on the side or the surface of the pool, then it means you have become victim to algae. 1. Green Algae 2. Black Algae

How to use shock to kill algae in pool?

Pool Shock: Shocking for Algae Removal 1 Preparation for Shocking. Clean Pool Thoroughly. ... 2 Shocking for Algae Removal. It’s a generally accepted notion that 30 ppm of chlorine residual will kill all algae. ... 3 8 Tips for More Effective Algae Removal. Put away the algaecide – pool shock destroys or deactivates algaecide. ...

Why do I still have algae in my pool after shocking it?

Algae will remain in your pool after shock if you've had insufficient chlorine and an overabundance of metal elements in the pool water. Therefore, to start the cleaning process. Remove all the debris from the pool with a leaf net and then let the smaller dirt fragments settle.

How long does it take for shock to clear algae?

Keep your pump and filter running. Give the shock a good 12 to 24 hours to work its magic. If the algae hasn't cleared up after 24-48 hours, clean and brush the pool and add another shock treatment.

Can you put too much shock in 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.

Can you put too much algaecide in a pool?

Too much algaecide can cause foaming that can damage your filter. In some cases, too much algaecide can also cause eye and skin irritation. In addition to adding algaecide after shocking your pool, you should add algaecide to your pool water when closing down for the year.

Fix A Green Pool In 5 Easy Steps

Maybe you lifted up your winter cover to open your pool and were surprised;by bright green water.;Or maybe the algae crept up on you one faithful day during swim season.

Cleaning Algae From Pool

There are many kinds of algae in this world, however, the main three that grow in a pool are the green, yellow and black algae. The most common is the green one and its kind of easy to remove green algae from the pool than the other two.

Causes For Pool Algae Development

Anyone who decides to build a pool in their back yard should learn how it is properly maintained.

How To Prevent Algae In Pools

How do you control or prevent algae? Pool algae also requires that your circulation, water balance, sanitation and filtration are all in full operation. If one of these is underperforming or inconsistent, it makes a good environment for algae to bloom.

Picking The Right Chlorine Shock Products

Shocking your pool basically means you are hitting it with an extra potent dose of chlorine and added disinfectants. The concentration will kill off whatever uninvited organisms are growing in the water or pool walls. Generally, its a good idea to shock your pool every other week, and especially after heavy use.

Maintenance Steps To Keep Your Pool Water Healthy

Test, test, test. The best algae prevention method is to test your pool water regularly for pH and chemical levels.

Problems Caused By Algae

Pool algae are like having weeds in your garden; its unsightly, problematic, and quite frankly, no one wants to deal with it. As nature would have it, you can find algae everywhere there is water, and algae spores can survive on many surfaces until they reach a new place to call home.

Why do you shock a pool?

In some cases, you will have to shock your pool because simply rebalancing your pool isn’t enough. Shocking your pool, or super chlorinating, is a cleaning method that keeps your pool water clean and safe by adding three to five times the normal amount of chlorine.

Why is my pool smelling like algae?

So, if you’re fighting algae right now, don’t be too hard on yourself. Algae can occur because of many reasons including: Unbalanced chemicals. Hot weather. Undersized filter.

How do algal blooms work?

Algal blooms use photosynthesis to create their own food. You can find algal blooms in a variety of colors and forms and they are microscopic in size. This means that there could be millions of algal blooms in your pool before you even realize it.

Why brush pool walls?

Algal blooms have a bad habit of sticking to your pool wall. Brushing your pool walls regularly helps ensure those blooms aren’t forming consistently.

What are pool algae?

But, what exactly are pool algae? Algal blooms are actually just living plant organisms that can inhabit your pool and multiply quickly. Algal blooms use photosynthesis to create their own food.

What happens if your pool is low water flow?

Low water flow in your pool can affect the performance of your pump and filter. Thus, leading to algae. If you are experiencing circulation issues because of low water flow, there are a few areas around the pool that you can check yourself. YouTube. Inyo Pools.

Is pool chemistry good?

It may take some trial and error, however, pool chemistry is crucial to the overall health of your pool. So, even if you have a pool technician taking care of your pool, it might be beneficial to write down tips and pointers. When in doubt, test your water.

Why does my pool have algae?

One of the main reasons why algae growth occurs in swimming pools is because of poor water circulation. You might not have realized it while swimming, but water continues to circulate throughout the pool on a consistent basis, moving from the pool into the filter and then back out again. However, if the filter doesn’t work properly ...

How to tell if there is algae in my pool?

The most noticeable sign that there’s algae in your pool is water discoloration. Depending on the kind of algae that is infecting your pool, the color might vary. It could be either blue-black, yellow, or even green. Now, let’s talk about the best methods that can be used for cleaning the algae.

What happens if you put chlorine in your pool?

If the amount of chlorine in the water is low, it could quickly cause algae growth in the pool.

What happens if a pool filter doesn't work?

However, if the filter doesn’t work properly or if a smaller filter is used for a larger pool, there is a chance that dead spots are going to occur in certain parts of the pool. These dead spots or low flow areas can promote algae growth.

How long does it take for a pool to clear of algae?

You will need to run the filter consistently for around eight hours to get the algae completely out of the pool. To speed up the process, you should consider adding a bit of pool water clarifier.

Why does my pool have high pH?

You need to make sure these levels are balanced accordingly, because certain minerals, like calcium, actively work to combat the growth of algae in a swimming pool.

What is the most common type of algae?

Cyanobacteria algae, which is the most common type of algae that you will find; usually blue and green in color, occurs naturally. It is found in virtually all kinds of soil and plant debris.

The different types of pool algae

Green algae are the most common algae. In the science world, they are called Chlorophyta. The name comes from the predominant green pigment - chlorophyll. The slimy green algae settle on the pool walls and on the pool floor. The reason for algae growth is usually poor filtration or a lack of disinfectant solution.

Causes for pool algae development

Anyone who decides to build a pool in their back yard should learn how it is properly maintained.

Are algae dangerous in the pool?

Fortunately, there are only three different types of algae that can be found in pools.

What causes algae in a pool?

Algae grow where the water circulation is low. Hot and warm weather, as well as different residues in the water, can help the development of algae.

How to get rid of algae in the pool?

First of all, you need to scrub the pool. This includes the walls, the algae on the bottom of the pool, and the stairs.

This is how to prevent algae from forming in your pool

Preventing algae development in your pool starts with the planning stage of the pool.

How to remove algae from pool?

8 Tips for More Effective Algae Removal 1 Put away the algaecide – pool shock destroys or deactivates algaecide. 2 Lower the pH before shocking, 7.2 – 7.4 is best for shock efficacy. 3 Dilute pool shock in a bucket of water for vinyl liner pools. 4 Run the filter 24/7 until water is clear. Backwash only as needed. 5 Brush the pool vigorously, several times after shocking the pool. 6 Do not use a solar blanket until chlorine and pH level are normal. 7 If chlorine level drops to zero within 24 hours, Repeat the shock treatment. 8 Improve filtration with a pool filter cleaner or filter aid like Jack’s Filter Fiber.

How to get rid of algaecide in pool?

Put away the algaecide – pool shock destroys or deactivates algaecide. Lower the pH before shocking, 7.2 – 7.4 is best for shock efficacy. Dilute pool shock in a bucket of water for vinyl liner pools. Run the filter 24/7 until water is clear. Backwash only as needed.

How to get pool back to normal?

Algae is a lot easier to prevent than to remove, but once you have it, brush the pool, lower your pH with a pH reducer and then Super Shock the pool. Vacuum and brush again and clean the filter – that’s the most effective way to get your pool back to normal.

What happens when chlorine is finished?

When the chlorine has completely finished working, the algae in the pool will turn a white/gray color and will either settle to the bottom of the pool or be suspended in the water . There shouldn’t be any more green color and the water visibility should be improving. Run the filter 24/7, and backwash as needed.

What is the best chlorine to use to kill algae blooms?

Faster kill rates and a more complete reaction than using algaecide or other oxidizers. Cal Hypo is the perfect chlorine type to use to eradicate algae blooms – powerful and economical. Our discussion will focus on how much pool shock to use for complete algae removal, plus other tips on effective pool shocking.

How to clean a pool that is too dark green?

If the pool is too dark green to see the bottom, use a Leaf Rake, or the Leaf Gulper and clean as much of the debris as you can from the pool before shocking the pool. 2. Lower the pH. Cal Hypo (and in fact all chlorine products) have greater efficacy at a lower pH level. Add an acid to adjust the pH to 7.2.

How long does it take for shock to work in a pool?

Remember: always add shock to water, never add water to shock! Now it’s time to wait a while. Keep your pump and filter running. Give the shock a good 12 to 24 hours to work it’s magic. If the algae hasn’t cleared up after 24-48 hours, clean and brush the pool and add another shock treatment.

Why is my pool turning green?

Well water is notorious for having high copper levels, so your pool will be more susceptible to turning green if this is where you get your water from. Copper is a metal prone to oxidation (just look at the The Statue of Liberty).

Why is my pool water green?

Copper especially can make pool water turn green as soon as chlorine is added due to the oxidation reaction between the two.

How does a clarifier work?

Clarifier works to “clarify” the water (see what I did there). In all seriousness, clarifier works exactly the same as floc, except the clumps float on the surface of the water, allowing you to use a skimmer to pick them up, or let the pool’s filtration system do its job. 7. Your Chemistry Is Still Out Of Whack.

How to get rid of pollen in pool?

Pollen floats around in the water, so it’s easy enough to remove by skimming, filtering, and brushing your pool clean. In some cases it can be stubborn, so you may have to bust out a pool vacuum and perform this cleaning ritual a few times to remove every speck.

What does it mean when your pool water turns green?

Your Chemistry Is Still Out Of Whack. Assuming your water was green, then restored, and then went back to green, that’s a strong indication you’re having issues with your pool water chemistry. Water testing and staying on top of the appropriate chemicals will be needed to balance the water, including:

What is the minimum chlorine level for a pool?

The minimum level of chlorine should be 1.0 ppm, with 3.0 being the top end.

Can you vacuum a pool?

You Didn’t Vacuum Thoroughly. While you don’t want to just stick a pool vacuum in a toxic swimming pool and hope for the best, it does have its place when trying to restore a pool. Vacuuming is one of the last parts of the cleaning regimen, after skimming, brushing and running the filter.

How to clean up cloudy pool after shock?

The trick to clean up a cloudy pool after shocking it is using a sand filter. As you know, sand filters remove debris from the water and give you an OK-looking pool. However, you need to run the pump long enough and do it once every week. One piece of advice, don’t use algaecide and shock together.

Why is my pool cloudy after shocking?

If the sand pump filter isn’t working correctly, the pool will remain cloudy even after shocking. The damage may be in the circulation, clogging up the cartridge, and so on. Then again, the release drain may have debris, which can add up to a cloudy pool. So, clean it too.

How to fix cloudy pool?

First, clean the bottom drain as most of the impurities will go away after this. Next, check the pH level and keep the chlorine levels low. Ammonia by replacing some water from the pool.

How to fix a pool pump?

What else should you try? 1 Fix the pump water 2 Use the shock at night 3 Clean the bottom drain 4 pH fixing 5 Utilize a pool water clarifier 6 Call the pool service 7 Apply a flocculant 8 Vacuum in the pool for organic debris

What causes cloudy water in pool?

A high stabilizer level, especially an excessive cyanuric acid level, causes a cloudy pool. Generally speaking, try to keep the level as low as 50 ppm or replace the percentage of pool water.

Why is my pool cloudy?

Sometimes it is the weather, sometimes harsh chemicals, or just your bad luck with a broken pool filter. Aside from this, an active construction site can also contribute to your pool being cloudy.

Is algaecide effective?

Both shocking and algaecide are effective ways to eliminate contaminants like algae, bio-debris, etc. However, for the record, algaecides have a chemical structure, which renders the shocking agents useless. As a result, you will have a layer of cloudy water in the pool you just cleaned.

Why is my pool green?

Sometimes you will find that your pool is green and not where you want to take a dip. There is a simple reason, the chemicals have gotten out of balance and this lets algae begin to grow in your pool. With a simple problem, there is generally a simple solution. In this case, the solution is to merely shock the pool.

How long does it take for a pool to clear?

Method 1. The first method is the simplest. Many times a pool will clear in 18 to 24 hours. It is best to leave it uncovered as the sun can have an effect on the chemicals causing the cloudiness to clear.

What is a pool water clarifier?

There are products on the market that are called Pool Water Clarifiers. These will help to bind to chemicals, gunk and debris in the water. The net result is that you now have bigger particles that are easier for your filter to handle, giving you a crystal clear pool.

Can you clean a pool filter if it hasn't been cleaned?

If it hasn’t been cleaned in a while it may not be able to keep your pool clear. Depending on the model that you are using the answer might be to backwash it or clean the filters. If it has been some time since your filter got any maintenance, you might have to replace either the filter or the filter media.

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