How to Get Rid of The Algae In Your Pool

February 28, 2017

Any pool owner knows that the number one enemy of crystal clear water in your pool is algae. These water-based plants grow essentially in every type and every body of water. We have developed a variety of techniques in order to combat these annoying visitors to our pools. This text offers just a few of them. Keep in mind that warmer climates are more prone to algal blooms, so pool maintenance in San Diego will be more demanding.


If you can curb the problem before it even develops, you may be doing yourself a favor. This, of course, isn’t always possible, but trying is always a plus. In order to be sure that you aren’t creating an ideal environment for the algae, you need to remove the nutrients they need to live. Most commonly, those are phosphates. There are readily available phosphate removers to do so.

Following the use of these chemicals, have a vacuum cleaner remove all the residual chemicals over the next day. Regular water quality checks may be tedious, but they are an integral part of pool maintenance. There are algaecides readily available for commercial use. The instructions indicate that they are best used in small weekly doses. Try not to overuse it, since it can muddy the water, or create a foamy residue on the surface.

Shocking the pool

If you have been a pool owner for any period of time, you are familiar with shocking. Dumping large quantities of chlorine into the water in order to kill not just the algae is a well-established practice. This process takes a day or two in normal conditions but can take up to a week if the pool is heavily infested with algae. It is also the most effective method. However, some people do not like the idea of large amounts of chlorine in their pool water, so they use alternative methods.


Since algae tend to cling to the walls and the bottom of the pool, some people believe that heavy scrubbing can rid them of the problem. This method helps reduce the time needed to clear away an algal bloom, just make sure you get all the nooks and crannies where algae may continue to grow.

Adjusting the pH of the pool

During the algal bloom, you may want to adjust the pH of the water in order to curb the growth of the algae. To reduce the pH of the water, many people use sodium bisulfate, which makes the chlorine in the water much more effective against the algae.

Cleaning the filter

Once the algal bloom has passed, whether through shocking or any other method, what you are left with is a lot of dead algae. In order to get rid of them, some people use pool vacuums. They are effective, but aren’t necessary, since your pool filters will get them. However, you will need to clean your filters afterward.

Adjusting the circulation

If you are looking for alternatives, there are a few. If your problem is localized to a small part of the pool, the circulation in your pool might be bad. Try adjusting it so that it covers the entirety of the pool.

Using flocculants

A coagulant will help clump the algae together and make it easier to collect them, either by the pool vacuum or the filters. Even though it is an effective way of getting rid of the algae, it is not enough on its own. Shocking the pool with chlorine is advisable afterward.

If you feel like you can’t be bothered with the day-to-day maintenance of your pool, consider hiring a pool maintenance company. Payan pools have been doing pool maintenance in San Diego for 30 years. Contact Payan pools for more information.