How to Clear Up a Green Pool Overnight?

get green out of pool

One day, I woke up and discovered my pool water was turning pale and greenish. I knew it was time to get it cleared; otherwise, the pool and nearby areas would catch infectious micro-organisms.

This would have happened to you, too, right? In such scenarios, I prefer to get done with such tasks as soon as possible. In this discussion, we will talk about how to get rid of green pool.

If you want to do it yourself, kudos!

The guide is provided in the following sections. However, if you don’t have much time on your hands and don’t want to delay the process, then contacting a professional would help.

Sergio’s Pool Renovations is a well-known pool renovation company, and you can contact them to avail yourself of the best services from a Pennsylvania pool builder.

Now, with that being mentioned, let’s begin with the discussion.

What is a Green Pool?

It is a swimming pool thoroughly contaminated with algae, which gives the water a greenish hue. In such conditions, the chances of algae proliferating increase because of the warm, nutrient-rich water and poor maintenance, inadequate circulation, or imbalanced pH levels.

Green pools also bring many health-related concerns. They encourage infectious microorganisms to grow around you constantly, so clearing them as soon as possible is advisable.

In the following sections, you will learn how to prevent this from happening.

What are Pool Cleaners?

When a pool has a lot of dust and other particles floating around, pool flocculant clumps them all together. It is a chemical entirely known for its effective results in cleaning a pool. The flocculant enables particles to stick together, forming larger masses that the pool’s filter can easily trap.

This process enhances the water clarity and quality of the pool. This is done by neutralizing the electrical charges of particles in the pool.

In other words, flocculants effectively maintain the cleaning and clearing of green pool water, ensuring a more enjoyable swimming experience.

Precautions for Accumulated Debris in Pool

A pool that cleans itslef, is known as a backwash pool when it has the features of a specialized filtration system. This filtration enables effective cleaning and maintenance of the pool water at all times. It employs a backwash valve to reverse water flow through the filter, dislodging and expelling trapped debris and contaminants. 

This process, known as backwashing, keeps pool water clean and clear by removing accumulated impurities. Regular backwashing is essential for optimal filtration performance and water quality. This pool helps in oreventing the debris accumulation.

Maintaining this pool involves periodic backwashing to uphold a healthy and inviting swimming environment. With this feature in a pool, one doesn’t need to be worried about maintaining a routine.

Why Did Your Pool Turn Green?

Understanding the main causes of a green pool is important to avoid it from happening again. Factors such as:

  • inadequate sanitation, 
  • imbalanced pH levels, 
  • poor circulation, and 
  • insufficient filtration 

All these can contribute to algae growth and turn the pool water green. Addressing them early on is crucial to keeping pool water pristine and preventing the whole hassle of cleaning the pool.

Maintain Cleanliness Of Your Pool

Maintaining the cleanliness of your pool calls for a steady routine. Daily skimming gets rid of floor debris, even as weekly vacuuming gets rid of dust and algae. To prevent algae from developing, often scrub the walls and clean the bottom of pool.

Ensure proper movement by strolling the filter and pump daily. Test water chemistry regularly, adjusting pH and chlorine levels as needed to thwart algae and bacteria. Periodically surprise the pool to oxidize contaminants.

Also, keep the surrounding regions clean to prevent debris from coming into. With diligent protection, your pool remains inviting and secure for swimming, promising endless entertainment for you and your visitors.

Need of Clear Green Pool

Clearwater complements the beauty of your pool and shows proper maintenance and cleanliness. On the other hand, green water suggests algae increase, that can harbor harmful bacteria and pathogens, posing health risks to swimmers.

Also, clearing water ensures a greater fun swimming experience, permitting you to peer the pool easily. Regular renovation, which includes proper movement, balanced chemical stages, and thorough cleaning, is essential to reaching and keeping a clean green pool.

Prioritizing pool clarity guarantees a safe and welcoming environment for relaxation and pastime.

How to Turn Green Pool Water Clear?

Let’s get to the answer you’ve been waiting for: “The way to remedy that green pool in a single day. Follow these steps for pleasant effects”:

Test and Balance Chemicals

Start by checking your pool water’s pH, chlorine, and alkalinity ranges. Then, take a look at the package. Adjust the chemical stability as needed to create an environment that is adverse to algae growth.

Shock Treatment

Administer a surprise treatment to your pool using an excessive-dose chlorine shock. This will quickly boost the chlorine levels in your pool, killing off algae and other contaminants.

Add Flocculants

Pour a flocculant into your pool per the producer’s commands. This will assist in clumping the algae and different debris collectively, making them easier to cast off.

Run the Filter

Turn on your pool’s filtration machine to run constantly until the water clears up. You can also need to backwash the clear-out periodically to eliminate trapped debris.

Manual Cleaning

While the filtration device is strolling, manually brush the walls and ground of your pool to dislodge any ultimate algae or particles.

Monitor and Repeat if Necessary

Watch your pool’s progress and repeat the surprise remedy and filtration system if needed until the water is evident.

Clean a Green Pool in 24 Hours

Cleaning a green pool within 24 hours requires a swift and aggressive approach. Unlike standard methods, it prioritizes rapid results through higher doses of chemicals like shock treatments and flocculants.

Continuous filtration and manual cleaning are emphasized to swiftly clear algae and debris. This compressed timeline and the intensified cleaning process can achieve remarkable results quickly. By the end of the process, you will have a new pool overnight.

Methods to Get Green Out of Pool

Aside from chemical treatments, you can try a few more methods to get rid of green algae in your pool. These are listed down here in bulleted form.


These chemical marketers are designed to kill and prevent algae increase in swimming pools.


Use a pool brush or scrubbing pad to cast off algae from the walls and floor of your pool.

UV-C Sterilization

Install a UV-C sterilization machine, which uses ultraviolet light to kill algae and other microorganisms within the water.

All these methods are given here and you can pick and choose any, based on what your needs are to clean the pool water.

Sum Up

In this blog, we discussed how clearing up a green pool overnight isn’t really difficult; it just requires will and the right knowledge to proceed with the process. Apart from this, it requires a combination of chemical treatments, filtration, and manual cleaning.

The rest is all on the quality of products used and the proper method applied. If you still have any confusion, you can contact one of the known revolution builders as well to get a suggestion at least.

Otherwise, you can always come back here and get help from the content provided.

Congrats, you are now equipped with the knowledge to clear green pool overnight.


Do you have any concerns about updating your backyard or pool renovation?

Interested in a free quote? Feel free to give us a call today at (267) 629-2144 or email us at [email protected].