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Cloudy Pool Water

Cloudy pool water and swimming pool care instructions. "Why is my pool cloudy?", swimming pool water maintenance and swimming pool questions answered here.



cloudy pool water,swimming pool algae,swimming pool chemistry,swimming pool care,basic pool care, swimming pool maintenance tips

Swimming Pool Care and Maintenance


Sometimes you'll seem to have milky pool water overnight. What can you do about it to get back your clean pool water?

cloudy pool water,swimming pool algae,swimming pool chemistry,swimming pool care,basic pool care, swimming pool maintenance tips

Example Of A Cloudy Pool

Where Does Cloudy Swimming Pool Water Come From?

There could be many reasons for this situation, so check out this list and see if any apply to your swimming pool.

  1. Bad or inconsistent chlorination with pool chlorine or weak hypochlorous acid
  2. This might be the main reason which can cause a whole host of problems.

  3. Excess dead or dying swimming pool algae
  4. Your pump is not running long enough
  5. Too much Sodium Bicarbonate (for pool alkalinity and pH)
  6. Too much Calcium Chloride which might produce hard water scale. Time to check the water hardness testing with one of the many pool water test kits, spa test strips, or Lamotte test kits
  7. I prefer an FAS-DPD K-2006 Taylor test kit which can be purchased at the Swimming Pool Supplies Store

  8. Wrong/bad level of cyanuric acid (pool stabilizer), or dichlor /li>

  9. Calcium Hypochlorite (for chlorination)
  10. Pool chlorine tablets/smart sticks old or ineffective
  11. Too much flocculation (flocculate) in swimming pool water
  12. Pool pH too high
  13. Inground pool covers left on for too long
  14. Pool ionizer or pool ozonator not functioning properly
  15. Clogged or improperly working pool filter system
  16. Bad swimming pool shock (using too much or not enough)
  17. Cracked or leaking pipes from skimmer or pump causing bubbles in the pool
  18. Bather load too high for a period of time or too many people at once
  19. Too much Baquacil, Proteam supreme, Softswim, or Bioguard pool chemicals
  20. Bad/wrong pool water chemistry and weekly pool maintenance
  21. Wrong or old pool acid
  22. The DE pool filter is cracked, not cleaning correctly, or is leaking DE back into the pool
  23. Sand in sand filter too old, has low sand, not backwashed fully or correctly, or sand has "channeled" down the side of the filter housing
  24. Poorly functioning pool water filters
  25. Wrong chemicals for salt water pool systems/saltwater pools, bad or inconsistent salt water pool maintenance
  26. Bad, shorted out, or calcified chlorine generator pool/salt cells
  27. Multi-Port Valve damaged, is cracked, damaged gasket, or plumbing is wrong
  28. Pump worn out or impeller broken or blocked
  29. Pipes are clogged up with a foreign object or gummed up through chemical use
  30. Refinished pool plaster
  31. Over-brushing of new pool plaster
  32. Dust, pollen, or mud
  33. Use and/or over-use of phosphate remover such as "Phosfree"
  34. Over use of pool algaecide
  35. Supersaturation of chemicals not in line with the Langelier index
  36. Bad or wrong swimming pool winterization/pool closing
  37. Green pool water

As you can see from this list, there are many reasons why you can have cloudy swimming pool water. With a good dose of the proper pool tips, and your pool will look crystal clear and you'll have the pool perfect for you and your family.

cloudy pool water,swimming pool algae,swimming pool chemistry,swimming pool care,basic pool care, swimming pool maintenance tips


Myths About "Pool Water Cloudy"

These are a few things I have learned that won't cause swimming pool cloudy water.

  1. Too much pool chlorine
  2. This is good at killing algae and taking care of green pool water.It will make swimming uncomfortable causing possible swimming pool rash and/or chlorine rash. Only Calcium Hypochlorite will cloud your pool, especially when you do a pool shock and will be an expensive lesson in weekly pool maintenance and will increase your pool maintenance cost.

  3. Low calcium hardness and low pool alkalinity
  4. Low cyanuric acid level (CYA) but this will lead to lower and less effective chlorine levels and a high chlorine demand causing problems such as a green algae swimming pool, white water mold, yellow algae, blue-green algae, etc...



How To Treat Cloudy Pool Water

Normally, the main reason for cloudy swimming pool cloudy water is swimming pool algae growth. Knowing this, you'll need to shock the pool to kill the pool algae.


cloudy pool water,swimming pool algae,swimming pool chemistry,swimming pool care,basic pool care, swimming pool maintenance tips

Swimming Pool Chlorine


Some may say to use a clarifier. That's good advice but a clarifier will only work after the algae is dead, it will not kill the algae or green swimming pool water.

First off, be sure to:

  1. Get your readings in line. Use a good FAS-DPD K-2006 Taylor Test Kit
  2. Scoop out as much debris as you can and vacuum
  3. Run the filter 24/7 until you have clear pool water


Taylor Reagent FAS-DPD K-2006 Pool Water Testing Kit


After you have effectively killed all of the swimming pool algae, then you can use a claifier, but only after you've allowed the filtration system to do its job.

A partial water change might be in order for cloudy pool water, but allow this to work first before going that route. Remember when dealing with swimming pool care, patience is needed.

Don't worry if you have cloudy pool water. Even the best pool owners with a good understanding of basic pool care and using the best pool tips will slip up every now and then. Things may happen, but don't worry about your "swimming pool cloudy" issue. You have the swimming pool maintenance tips to take control of the problem properly.

So go clear up your cloudy pool water and safe swimming to you and your family.

Go To:

Swimming Pool Algae From Cloudy Pool Water
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