Why does your pool water turn cloudy after it rains?

Leta Cole asked a question: Why does your pool water turn cloudy after it rains?
Asked By: Leta Cole
Date created: Sat, May 29, 2021 6:09 PM
Date updated: Wed, Sep 28, 2022 4:15 PM


Top best answers to the question «Why does your pool water turn cloudy after it rains»

  • When it rains, the amount of chlorine in the water temporarily remains the same, but the amount of water and contaminates in the pool changes. These small changes combined with the effects of other chemicals in the pool can bring about the cloudy effect you see after it rains, especially when your chlorine starts to drop.


Those who are looking for an answer to the question «Why does your pool water turn cloudy after it rains?» often ask the following questions:

❓ Why does my pool water turn cloudy after shocking?

  • There’s a lot of science involved in shocking a pool. High levels of the wrong chemicals can cause water to turn cloudy or milky after shock. For instance, if your pH level is above 7.6, then you’ve wasted half of the chlorine. That’s why it’s best to use a low pH range (somewhere between 7.2 and 7.4) when shocking your pool.

❓ Why does pool water turn cloudy?

  • An excessive amount of pool chemicals can cause your water to be cloudy. That includes: high pH, high alkalinity, high chlorine or other sanitizers, and high calcium hardness. One of the only ways to immediately know what chemicals you've overused in your pool is through the pHin mobile app.

❓ Why does a pool turn green after it rains?

  • A thunderstorm will sometimes turn an outdoor swimming pool green; this article tells you why. It’s all about the nitrogen. Thunderstorms have lightning and rain as well as a few resounding claps of thunder. The flashes of lightning, apart from lighting up a night sky, create nitrogen in the atmosphere and the rain washes that nitrogen down and into your pool.

1 other answer

because the rain water mixes with the chemicals in the pool

Your Answer

We've handpicked 24 related questions for you, similar to «Why does your pool water turn cloudy after it rains?» so you can surely find the answer!

What causes your pool water to be cloudy?

How do you fix cloudy pool water?

  • . . you fix cloudy water in your pool the exact same way you do in any other chlorinated pool: Maintain adequate levels of free chlorine (5 - 15% of your stabilizer or CYA level) ALL of the time Maintain a pH between 7 and 8. Make sure you don’t overdose with baking soda and calcium chloride . . . and produce a calcium cloud.
Does high ph cause cloudy pool water?
  • Very high pH usually leads to calcium not dissolving properly, causing cloudy pool water and calcium scaling both in saltwater and non-saltwater pools.
Does low ph cause cloudy pool water?

Let's not get super technical here, but the pH of your pool water, or how acidic or basic it is, can also cause it to be cloudy or clear… Having a low pH can cause damage to the lining of the pool, causing it to wear away. Debris and particles from the corroding lining can cloud the pool's water.

How to drain water from a pool after it rains?
  • Here’s how to drain water from a pool after it rains: 1 Set your pump to “Waste” or “Backwash” 2 Hook up your backwash hose 3 Turn on the pool pump 4 Keep an eye on your water level as your pump empties water. Stop your pump once your water is at mid-skimmer level.
Why does my pool water turn green after shocking?
  • Over the years, shocking your pool oxidizes these components and may turn your pool water green. The water is safe to swim in. However, if the oxidized metals are present in large amounts, it might change a person’s hair color to green. It could also stain clothing.
What to do to your pool after it rains?
  1. It is a good idea to clean or backwash your filter after a heavy rain, flood, or major storm…
  2. Clean out the debris in all of your baskets.
  3. Use a net or vacuum to get all debris out of the pool…
  4. After the debris has been cleared brush down the walls and the top of any steps and benches.
Does copper in pool water turn your hair?
  • High Copper in the water will usually oxidize with the addition of a lot of chlorine to the swimming pool. The copper will then turn a green color and cling to your hair. If you never shock your pool or keep your pH levels in complete control then you will not have green hair, but as soon as you start to increase other levels the results due to high copper in the water will turn your hair green again.
Why does pool water turn your hair green?
  • However, the green color is more likely to show up after swimming in the pool because pool water contains chlorine. Chlorine and copper bond together to form a film that sticks to the proteins in each strand of hair, causing the hair to turn green.
Is green or cloudy pool water bad for your pool?
  • Green and cloudy pool water can be signed to water quality issues in your pool. It is important that you understand the causes of these conditions before you jump in and enjoy your pool. In some cases, there is no problem swimming in green or cloudy pool water.
What causes cloudy pool water?

There are three main causes for cloudy pool water, including poor filtration, chemical imbalances, or environmental factors, like nearby construction, trees, or wildlife. Filter and pump problems can be caused by a range of different issues.

Why is pool water cloudy?
  • How Wrong or Imbalanced Pool Chemicals Cause Cloudy Water Improper pH and chlorine levels: These are the most common culprits… High total alkalinity (TA): You also need to closely monitor changes in the level of TA… High calcium hardness: Very high calcium hardness levels in pool water will lead to excess calcium, which can't dissolve in water and accumulates in your pool… More items...
How to clear up cloudy pool water after algae treatment?
  • How do you clear up cloudy pool water after algae treatment? Once you apply, the algaecide, the early stages will make the pool dull and cloudy. During this time, the FC and cyanuric acid levels drop to almost zero ppm. Additionally, the ammonia level increases, making the water more cloudy.
How long does pool stay cloudy after shock?

In most cases, a cloudy pool after shocking is only temporary and should clear up within 24 hours. Keep filtering your pool, add a little clarifier to help, and your pool should be clear in no time. If after 24 hours your pool is not clear, then you may need to look a little deeper for the solution.

Why does my pool look cloudy after shocking?

Cloudy or milky water after shocking is normal, and the water should clear up within an hour or so. Just make sure your pump and filter are running properly. If you add algaecide, keep in mind that some algaecide contains copper, which can actually make a pool cloudy.

Does too much shock make pool water cloudy?

1) After shock - Sometimes pool water looks cloudy right after you apply shock granules such as cal-hypo, or liquid shock, but rest assured it's only temporary. This could be due to change in water balance – meaning your pool water temporarily goes off balance when adding these products.

Why does my pool water turn green after adding chlorine?
  • Something is obviously precipitating out of the pool water when chlorine is introduced but my pool tests ZERO for both Iron and copper both before the green and after the green. I remain puzzled but I do believe yours will be transient and will go away even if you do nothing, if it's the same issue I have had.
What do you do with your pool after it rains?
  • Skim the pool to remove excess debris.
  • Shock the pool and run the filtration system for at least 12 hours.
  • Test and re-balance pool water. Remove phosphates.
Can cloudy pool water hurt you?

If your pH levels are not balanced harmful bacteria including E. coli can grow. More importantly, when the pool water is cloudy, you are not able to see clear to the bottom of the pool. Cloudy water has been cited in 10% of drownings.

Can sunscreen cause cloudy pool water?

Unfortunately for you as the pool owner, sunscreen dissolves, causing it to react to the chemicals in the water, including chlorine. It can quickly result in a chemical imbalance. You will see the immediate difference as the water becomes cloudy.

Do phosphates make pool water cloudy?

At high enough levels, phosphates feed algae to grow in your pool. This will turn your pool's water green and cloudy. It is unlikely that you will be able to remove all of the phosphates from your pool. However, your goal is to keep phosphate levels low enough that they won't help algae grow.

How to clear cloudy pool water?
  • Balance free chlorine (FC) levels.
  • Eliminate ammonia.
  • Get rid of young algae.
  • Monitor and balance pH and TA levels.
  • Correct calcium hardness (CH) levels.
  • Backwash filter or replace filtering agent.
  • Remove foreign particles and mineral deposits,scrub,and vacuum up the pool.
How to treat cloudy pool water?
  • How To Treat Your Cloudy Pool Water Water Color Cloudy Appearance Hazy, unable to see the bottom of the po ... Cause Insufficient chlorine levels, inadequate ... Treatment STEP 1: Check ph and alkalinity and adju ... Treats pools with 5,000-10,000 Gallons PACKAGE #1 (1) Super Clarifier (1 qt.) ( ... 1 more rows ...
What causes white cloudy pool water?

What are the reasons for cloudy pool water?

  • Cloudy water in swimming pools is usually caused by a chemical problem in the pool. A pool test kit is used to test the chemical balance of the water. A low chlorine level is one of the most common reasons that a pool is cloudy.
What clears up cloudy pool water?

Baking soda is a base and will hugely increase the level of pH, which actually causes the water to turn cloudy. Some people may suggest using baking soda as a quick fix if alkalinity is high, but it is not a reliable pool chemical. Chlorine should be the only substance used to clear a cloudy pool.