How To Get Rid Of Algae In Pool?

Swimming pools require constant and regular maintenance. You pool can develop algae simply by the chlorine levels dropping by below 1ppm, filtration, warm temperatures and circulation. Algae can get into your swimming pool through rain, wind or people getting into the swimming pool. Algae in the swimming pool are one of the things that every pool dreads, but it does happen. What you need to know is how to get rid of it, but you first need to know its source. Once you realize your pool has been invaded by this “green monster,” then you have to figure out the best ways of getting rid of it.

However, you will have to first identify the type of algae in your swimming pool so that you can get rid of it effectively. There are various types of algae that can grow in your pool and to get rid of them, you need to establish the type of algae you have.

Black algae

Black algae in a pool

Black algae have to be the most difficult type of algae you can deal with. It appears in green, dark black or blue spots. If your pool gets black algae, it may be really difficult to get rid of it. What makes it so hard to get rid of are the roots. They can stretch to plaster or grout and must be removed or they will come back.

Green algae
The most common algae found in swimming pools is the green algae. Often, these algae float in swimming pools and at times can grow on the walls. The pool may become less clear and have a green color.

Pink algae

This is more of a fungus and it’s found in cracks, crevices and corners of your swimming pool. It’s mainly found in one area and looks like small pink spots. It can be found in just one area and it appears like small pinkish spots.

Mustard/yellow algae

This is a wall alga that’s mainly found in parts of the swimming pool that receive shade. It’s very difficult to fight since it often recurs. If this is the kind of algae in your swimming pool, then you need to deal with it immediately.

How To Get Rid Of Algae In You Pool

Use algaecide

algaecide for getting rid of algae

One easy and quick method to get rid of algae from your swimming pool is to use algaecide. Algaecide is a popular form of treatment for water features such as swimming pools and it effectively kills algae. Normally, algaecide is used as a preventative and it should be regularly used when the pool is in use. The two common types of algaecide are quaternary ammonia and metallic (silver and copper). Both of this algaecides work perfectly well in getting rid of algae but ammonia is more commonly used mainly because it’s cheaper and will not leave your pool stained.
But if you have black algae in your pool, then you will have to look for an algaecide that is specifically formulated to get rid of this tough species of algae. Let the type of algaecide you choose contain at least 30% of active ingredient (ammonia or metal). If it’s below that, the treatment may not be effective. Let the algaecide work for at least 24 hours after applying it before you do anything in the pool.

However, we would recommend that algaecide is used on your pool regularly. You can add some ounces weekly to prevent algae from growing in your swimming pool. Poly quats algaecides are excellent preventative algaecides but they shouldn’t be used in large amounts since they can cause foaming in your pool water. Algaecides will also improve the longevity of your pool filtration system since there will be less plant materials clogging up the filters and your pool pump intakes.
To cap it, some algaecide will kill algae, while others will not. To be sure, ask your local pool attendant the algaecides that are effective in killing algae.

Circulation

Turn your pump and filter on and allow it to run for 24 hours a day. While the pump is still running, backwash your filter as recommended.

Scrub the walls

With a nylon swimming pool brush, scrub down all the walls of the pool so that you can get rid of as much algae as possible. This will also help if you decide to add chemicals into the swimming pool. If your pool is concrete, you can use a steel brush but if you have a vinyl pool, then use a nylon swimming pool brush.

 

Floc Your Swimming Pool

flocking a pool

Floc is a chemical that’s binds up the small particles in a swimming pool such as algae and settles them down at the bottom. When the particles settle at the bottom, then now you are left with the work of vacuuming them out of the swimming pool.
This is one really effective method, but it will take lots of your time and some bit of elbow greasing to get all the algae out of your pool. If you are patient though, you will be able to get the algae out of your swimming pool.
With this inexpensive chemical, you can have your swimming pool clear of all the algae in just one day but only if you are willing to do all the hard work.
Shock swimming pool with chlorine
Even though you are just having a mild case of algae, you will need to double shock your pool so that you can get rid of the algae. Here is how to effectively double shock your pool.
Pool Gallons           Pounds of shock
10,000                                    2 or below
20,000                                     4
30,000                                      6

If the pool is highly infested with algae, triple shock the above recommendations. Prior to shocking the pool, crush the granular chemical with water in a bucket.
CAUTION. Always add chemicals to water and not the other way. Slowly pour the crushed granular into your swimming pool so that all the water gets out of the swimming pool and it does not settle at the bottom of the pool. You can use a skimmer or filtration system to mix and accelerate the oxidization process.
Regularly maintaining your pool water is crucial in ensuring the water is not conducive for growth of algae. Brushing and scrubbing the walls of the pool also help in discouraging any formation of algae in your swimming pool.

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