Best Swimming Pool Algaecides – A How to Use Guide

Best Pool Algaecides

Algae are always a problem when they start to develop in your swimming pool or pond. They can grow at a rapid speed and take control of your swimming pool. Therefore, you need to find ways to kill them and prevent them from damaging your swimming pool or pond.

To remove algae and prevent it from occurring again, we need to use a good quality algaecide. It is not easy to decide which algaecide to use in your swimming pool unless you know the exact type of algae present in the pool.

Nowadays, different varieties of swimming pool algaecides are available for sale, making it more difficult to choose the right one for your pool. So, before you decide what the best algaecide for your pool is, let’s get into the basics.

What is an Alga or Algae?

Alga or algae are aquatic organisms that can produce oxygen through photosynthesis. They are seen in different shapes, sizes, and colors. Microalgae include both blue-green color algae and green, brown and red color algae. For microalgae to grow, sunlight, carbon dioxide and nutrients like nitrogen and phosphorous are needed.

You can find algae everywhere in the world. Even though algae play an important role in our ecosystem, it can cause numerous problems also. When algae are formed in swimming pools or ponds that are used by human beings, it can create a lot of headaches. Therefore, you need to find different ways to remove them so that you can use your swimming pool and ponds without any issues.

What is a Pool Algaecide?

A pool algaecide is a chemical that is used in swimming pools to kill algae that are present in the pool. The pool algaecide is the most effective way to get rid of algae present in artificial water bodies like swimming pools and artificial ponds.

There are different types of algae like yellow algae, black algae, and green algae. Depending upon the type of algae present in the pool, we need to use pool algaecide to remove it completely from the pool or pond.

The most common type of algaecide that is used is quaternary ammonia and metallic. We can also use chlorine, which is capable of killing algae through oxidation. Chlorine also has the ability to clean the water and remove other kinds of germs from it. Pool algaecides are to be used on a regular basis so that you can keep your pool clean and free from algae.

Benefits of Using Algaecide

If you ask experts about the main benefit of using an algaecide, they would tell you that the main benefit of algaecide, is that it removes algae quickly. Algaecide is capable of killing the algae and keeping the surface of ponds and swimming pools, be it a hidden pool, clean and free from algae.

The best algaecide is liquid or powdered algaecide as it can chemically get rid of the algae quickly. There is no other substance that can remove algae as quickly as an algaecide. That is why people are ready to spend money on buying algaecide.

Algaecide does have some drawbacks as well. One of the major problems of using algaecide is that it reduces the oxygen content in the water. Again, if you use algaecide in ponds, it can cause severe harm to plants, fish and other organisms present in the pond. You also need to make sure the algaecide you’re using is an approved one and does not contain banned chemicals that can cause serious health issues.

Tips for Buying Algaecides

As discussed earlier, it is not easy to select the best algaecide for your swimming pool as there are so many options available.

To help you choose the right product, you must consider the following factors when buying algaecide for your swimming pool next time.

Color of Algae


Once you decide to buy an algaecide for your swimming pool, you need to consider the color of algae present in your pool. Many algaecidesare specifically manufactured for treating specific algae. So, the next time when you go out to buy algaecide, look at the color of the algae in your pool.

Bacteria


If your pool has red or pink color algae, then it means your pool is infected with bacteria. Therefore, you need to find a specific algaecide that can treat bacteria and remove it completely from the swimming pool.

Pool Friendly Algaecide


When you are buying algaecide for your swimming pool, you need to make sure that the product you buy is pool friendly. You can check that on the algaecide label where it will be mentioned if it is pool friendly.

Algaecide That Lasts Long


You need to buy algaecide whose effect will protect the pool from algae formation for a long period. There are few algaecide whose effect lasts only for a few days. It is a waste to invest your money and time on such products. You can get products that provide 90 days of guarantee from all kinds of algae.

Top Performer


No one likes to invest money in a product that takes days to get into action. You need to buy algaecide that acts fast and quickly removes algae from your swimming pool and makes it ready to use.

Stain Removing


Lookout for the stain removing feature, when you buy an algaecide. There are a few algaecide that can cause stain when used in the swimming pool. No one would like to end up in having a swimming pool that is full of stains. So, carefully select your algaecide and make sure it does not cause any stains but helps remove existing stains, if present, in the swimming pool.

All Seasons


Are you living in a place where you need to close your swimming pool in winter? There are a few areas in the US that force house owners to close their swimming pools during the winter season. Such people need to use winter pool algaecide to remove algae and prevent them from recurring. Once you open the pool, you can go back to your normal algaecide.

Foaming or Non-Foaming


Another factor to consider when selecting an algaecide for your swimming pool is whether the algaecide is foaming or non-foaming. It is better to use non-foaming algaecides so that you can use your swimming pool within hours of applying the pool algaecide.

Clarifying Algaecide


Do you like to swim in water that is not clear? How about having an algaecide that can clean the water and make it crystal clear. There are many brands that offer cleaning and purifying of water in the swimming pool. So, look out for those brands of algaecide that help you to keep your water clean and bright.

Cost


Just like buying any other product, you need to look out for the cost when buying an algaecide for your pool. There is no guarantee that you will get the best product when you pay more money. Therefore, look out for the features, reviews, and brand value, before you choose one algaecide for your swimming pool.

The above-given factors can help you decide which algaecide to buy. So check them out before you buy your next algaecide.

Types of Algaecides

The different types of algaecides available are..

Copper Algaecide


Copper algaecide contains copper that can prevent algae from growing in swimming pools. Copper algaecides are good against green color algae and mustard algae. Another advantage of copper algaecide is that it does not produce foam when used in the swimming pool.

Other algaecides like quat algaecides do produce foam when used in the swimming pool. The main drawback of copper algaecide is that it can produce stain if not used properly in the swimming pool. Therefore, you need to be careful when using a copper algaecide.

Cutrine Plus Algaecide


Cutrine plus algaecide contains copper ethanolamine complexes. It is considered to be a rapid acting algaecide that can be used in the swimming pool. Cutrine plus algaecide is best suited for surface algae in swimming pools, ponds and canals.

The advantage of cutrine plus algaecide is that it does not contain any corrosive sulfates like other algaecides. Cutrine plus algaecide begins to work immediately. It breaks down the algae and does not allow it to photosynthesize. Due to its high efficiency, Cutrine plus algaecide it is used by many.

Polyquat 50 and 60 Algaecide


Polyquat 50 and 60 algaecide contains ammonium compounds that can prevent the growth of various types of algae in different ways. Polyquat 50 and 60 algaecides are more popular algaecide compared to copper algaecide as they do not stain the swimming pool like copper algaecide.

But unlike copper algaecide, it is becoming very difficult to find good quality polyquat 50 and 60 algaecide in the market nowadays. Polyquat algaecides are manufactured and sold by “Buckman Laboratories” in the US.

Therefore when buying the product, make sure you check the label correctly as there are many duplicate versions of Polyquat 50 and 60 algaecide in the market. The only drawback of Polyquat algaecide is that if not properly used, it can cause foam in pools. So, you need to be extra careful when using it. Polyquat algaecides are more expensive compared to copper algaecide and should be bought from reputed shops or online sites.

Kem-Tek Algaecide


Kem-Tek algaecide is another popular algaecide that can be used in the swimming pool to remove algae. Kem-Tek algaecide is capable of removing any type of algae from the pool and also prevents it from foaming again.

All Kem-Tek algaecide are safe to use in pools and contains 60% concentrated algaecide that maintains the clarity of water at the desired ph level. The Kem-Tek algaecide, when added to water, has a longer effect, thus preventing any type of algae formation for a long period of time.

Kem-Tek algaecide is compatible with different kinds of pools including salt water pool. By applying Kem-Tek algaecide on a weekly basis, you can prevent algae forming in your pool and keep your family safe.

Green Clean Granular Algaecide


Green clean granular algaecide is a non-copper algaecide that can remove algae from your swimming pool. When added for the first time itself, green clean granular algaecide starts working and prevents algae from blooming in the pool.

The award-winning formula of green clean granular algaecide releases oxygen in the water that biodegrades algae and thus prevents it from foaming. It is an EPA-registered organic product. Therefore, you don’t have to worry about any side effects at all.

It not only eliminates algae from the swimming pool, but also from ponds, fish tanks, and walkways. The green clean granular algaecide starts its action within 60 seconds after applying and works like magic in removing algae from your swimming pool.

Top 5 Swimming Pool Algaecides to Buy

There are many algaecides in the market that you can buy. It is a difficult task to choose the best algaecide for your swimming pool. Here, we have listed 5 top selling algaecides for swimming pools that will help you choose the right algaecide based on your budget and requirement.

In the Swim Algaecide


In the swim, algaecide is a multi-purpose algaecide that can remove any type of algae. Based on the 10 percentage quaternary formula, the ‘Swim Algaecide’ can be used in the swimming pools and ponds and is 100% safe and secure.

When using it for the first time, you need to mix 26 oz for 10000 gallons and then you can reduce it to 16 oz from the second time onwards. The copper based algaecide prevents stains and is non-foaming. It contains chelated copper in 7.1% (23.5% Copper Triethanolamine) that prevents it from staining.

This low odor polymer based algaecide works within seconds of applying in your swimming pool. It can easily remove all kinds of algae including green and black color algae. You can get the desired result from the product irrespective of whether it is applied in a swimming pool or a pond.

The easy to use, the user-friendly product comes with a low price tag, making it one of the most used swimming pool algaecides. The safe product allows you to use your swimming pool within hours of applying the algaecide. The product has an overall rating of 4.6 out of 5 stars from 59 Amazon customer reviews. Click Here For More Info

GLB Pool & Spa Products 7111 Pool Algaecide:


The GLB Pool & Spa products 7111 pool algaecide is considered to be one of the best algae removers that are currently available in the market. GLB Pool and Spa algaecide can easily remove green and mustard algae from swimming pools and ponds within hours of applying.

Made with concentrated and economical formula, GLB Pool & Spa algaecide starts working as soon as it is added to the pool and removes algae and prevents it from re-occurring. GLB Pool & Spa algaecide is not only efficient for removing all types of algae, but also efficient for chlorine, ozone sanitizers, bromine, and salt water pools.

When applied on a sunny day, GLB Pool & SPA algaecide can give the best result. You need to dilute the solution in 1:9 ratios. After preparing the solution, you just need to sprinkle the solution in your swimming pool and GLB Pool & SPA will ensure your pool has clean water that is 100% safe.

What’s more, GLB Pool & SPA algaecide will prevent algae from appearing again. The super concentrated formula of GLB Pool & Spa algaecide ensures all kinds of algae are removed from your swimming pool and your pool is ready to use.

Another attraction of the GLB Pool & Spa algaecide is that when used as per instructions given in the manual, it can keep your water clean for a longer period of time. No other algaecide is capable of doing this and thus GLB Pool & Spa products 7111 pool algaecide remains a hot favorite among buyers. The product has an overall rating of 4.5 out of 5 stars from 89 Amazon customer reviews. Click Here For More Info

Clorox Pool & Spa 23006CLXCA Xtra Blue Chlorinating Granules, 6 pounds:


The Clorox Pool & Spa algaecide is one of the top selling algaecides that is capable of removing all kinds of algae. It is very good at killing green and black color algae and also removes mustard color algae from your swimming pool within hours of applying.

Clorox Pool & Spa algaecide protects your pool water from causing eye irritation and it reduces chlorine odor. It is protected against sunlight to last longer and prevents corrosion and scaling. Developed Clorox Pool & Spa keeps your swimming pool water clean, clear, silky smooth and free from all types of algae.

The non-foaming based algaecide can be used for any type of swimming pool and can also be used in ponds and fish tanks. The easy pool care feature of Clorox Pool & Spa algaecide ensures your swimming pool will remain free from algae for a long period of time.

The product gives a guarantee that no other algaecide can give you water as clean as what is given by Clorox Pool & Spa algaecide. Rather than spending thousands of dollars on other SPA products, you can save your money by buying this amazing algaecide that gives your swimming pool a clean and fresh look. The product has an overall rating of 4.5 out of 5 stars from 119 Amazon customer reviews. Click Here For More Info

SeaKlear 90-Day Algae Prevention & Remover Algaecide


One of the most reliable and effective algae removers, SeaKlear 90-Day algae prevention & remover algaecide, comes with 90 day guarantee period and is one of the most popular algaecides currently available in the market.

Manufactured using concentrated formula, the SeaKlear 90 day algae prevention & remover algaecide ensures all types of algae are removed from your pool and your pool is kept clean for a 90 day period after the first application.

It kills all kinds of algae like green algae, yellow algae, blue-green algae and black colored algae. SeaKlear 90-day algae prevention & remover algaecide is non-foaming and non-staining and needs to be used in the correct way given in the instruction manual.

This powerful algaecide contains 11.8% copper sulfate pentahydrate and 3% copper. It is also very effective against mustard algae. This simple, easy to use algaecide helps you to have a swimming pool free from algae problems and ensures your family can use the swimming pool within hours of applying the algaecide.

The SeaKlear 90-day algae prevention & remover algaecide helps you to save money and time as it guarantees that there will no algae formation in 90 days period after the algaecide is applied. The product has an overall rating of 3.8 out of 5 stars from 323 Amazon customer reviews. Click Here For More Info

Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide


Kem-Tek algaecide’s are known for their superior quality and excellent performance. The latest addition to this list is the Kem-Tek KTK-50-0006 Pool and Spa 60-percent concentrated algaecide. The concentrated algaecide is safe for all kinds of pools and is one of the best, long lasting algaecide that we have today.

The polyquat algaecide has 60% concentration that will ensure maximum clarity and quality of the swimming pool water. The non-foaming algaecide makes sure your pool remains clear and free from all kinds of algae, be it yellow algae, blue-green algae or green algae.

You can also use the Kem-Tek KTK-50-0006 Pool and Spa 60-percent concentrated algaecide for cleaning and treatment purpose in your swimming pool. Just like other Kem-TEK algaecides, Kem-Tek KTK-50-0006 Pool and Spa 60- percent concentrated algaecide is long lasting and continues its fight with algae for days and months.

You can use this super quality product in any kind of pool including the salt water pool. It can not only be used to remove algae and other bacteria but also in swimming pools to remove any other water viruses that can cause irritation to your body and skin. One of the top selling algaecides in the world, this product has an overall rating of 4.3 out of 5 stars from 468 Amazon customer reviews. Click Here For More Info

Frequently Asked Questions and Answers

Is there too much algaecide in the pool and how to reduce it?

There is no doubt that excess amount of chemical is not good. If you have added an excess amount of algaecide, then there are a few options you can try.

Removing some water from the swimming pool and then adding fresh water is an option you can try if you want to use the swimming pool.

If you are not in a hurry to use the swimming pool, then you should wait for a couple of days so that some quantity of algaecide is lost due to evaporation.

How much algaecide to put in the pool?

Follow the instructions given in the user manual to decide how much quantity of algaecide is needed for your pool.

When to add algaecide to the pool?

You should use algaecides in your swimming pool if you see algae in pool. Usually, you can see a greenish yellow color film at the bottom or side of the pool and it will start growing within no time.

What is the difference between algaecide 50 and 60?

Algaecide 50 is a polymer algaecide that has 50% strength whereas algaecide 60 is a polymer algaecide that has 60% strength. Both are very effective against all types of algae.

Will algaecide clear green pool?

Yes. Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide are very good against green algae. It can turn green color pool to clean water within hours of adding the algaecide. You can also use chlorine which can kill all types of algae and then add any other algaecide to turn a green color pool into a clean pool.

Pool still green after shock and algaecide, what to do?

You need to first add chlorine. Chlorine can kill green algae and then add any good algaecide. This will make your pool clean.

Pool cloudy after shock and algaecide, what to do?

To know how to clear cloudy pool water, you need to know the reason first. There could be many reasons for a cloudy pool. Bad filter is one of the reasons. Check if your filter is working properly. Try to add a good amount of chlorine in water so that it can kill all the bacteria and algae present in it. In most cases, removing the filter and adding chlorine along with algaecide will solve this problem.

Is there homemade algaecide for swimming pools?

Yes. You can make homemade algaecide for swimming pools. There are a few shops that sell homemade algaecide.

How to raise pH in pool and how to keep temperature under control?

Add soda ash and baking soda helps to raise pH in pool and to keep temperature level under control you can use above ground solar pool heater.

Conclusion

Algae in a swimming pool should be treated as early as possible as swimming in water containing it is not good for your skin and health. Depending upon the type of algae present in your pool, you can select any one of the popular algaecides discussed here.

Bryan Mallory
 

My name is Bryan Mallory and I have over 25 years of experience in swimming pool, spa maintenance and repairs. With my experience and knowledge I can return your pool back to its best and keep it in peak condition.

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