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Questions and answers about sports

Why is my pool gray?

4 min read

Asked by: Brian Borrelli

If you notice what appears to be “gray” algae in your pool, it is most likely either pink algae, or dead algae. Dead algae turns gray as it dies and must be removed from the water through filtration. Regardless of the source, however, a few steps will kill any live algae and remove the dead.

How do I clear my grey pool water?


Into the water and just follow the bottle on whatever it says for your size pool. Then run your pump 24/7 until the pool clears up and make sure you're back washing. Once a day until the pool clears.

Why does my pool look grey?

Pool Filtration and Circulation



It will appear as grey or white cloudiness usually after using an algaecide or shock. The most common reasons for cloudy pool water caused by poor filtration and circulation are: Algae alive or dead. Pool pump and filter system are not running for long enough intervals.

Why can’t I get the cloudiness out of my pool?

If a pool has a cloudy appearance that just won’t dissipate, high calcium levels may be the issue. Excess calcium will visibly scale the pool walls, and it will likely clog the filter with hard mineral deposits. A clogged filter will not do its job.

Will baking soda clear a cloudy pool?

Baking soda can work wonders in a pool. Baking soda can: Help to clear cloudy water and restore the sparkle. Spot-treat algae.

Does too much chlorine make pool cloudy?

Excessive levels of pool chemicals can cause your water to become cloudy. High pH, high alkalinity, high chlorine or other sanitisers, and high calcium hardness are all common culprits.

Is it OK to swim in a cloudy pool?

You shouldn’t swim in a cloudy pool for several reasons: If you can’t see the bottom of the pool, struggling swimmers will also be hard to spot, making the risk of drowning much higher. Cloudy pools are full of bacteria and pathogens that can cause urinary tract infections, stomach problems, and eye irritation.

How do I make my pool water bluer?

How to Make Pool Water Blue: A Basic Guide

  1. Step One: Shock the Water. Start to change pool color by using shocking tablets. …
  2. Step 2: Remove Algae. Once you’ve killed the algae, you can get rid of it by vacuuming the pool water. …
  3. Step 3: Prevent Algae From Returning.


How long should it take to clear a cloudy pool?

2-3 days

How long does it take for a cloudy pool to clear? Depending on how cloudy your water is, it may take 2-3 days for your water to clear. If you’re using a clarifier, you’ll need to run your filter 24/7, keep your water chemistry balanced, and add the proper amount of water clarifier every other day until it’s clear.

Can low pH cause cloudy water?

If the pH is too low, less than 7.0, the water is too acidic. 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 do I make my pool crystal clear?

Skim the pool at least 3 times a week. Brush the walls at least twice a week (or before you vacuum) Vacuum at least twice a week.



Skim, brush, and vacuum weekly

  1. Enjoy a consistently clean pool.
  2. Spend less on chemicals.
  3. Reduce your pool cleaning time more and more each week.
  4. Keep your swimming pool crystal clear.


How do you clear up a cloudy pool in 24 hours?

And ran the pump on recirculate for two hours and then shut it off over the night and this is the results. It's. So much clearer than it used to be now I just have to vacuum it all up.

How can I make my pool water clear naturally?

Baking soda, also known as sodium bicarbonate is naturally alkaline, with a pH of 8. When you add baking soda to your pool water, you will raise both the pH and the alkalinity, improving stability and clarity.