How can I tell if my pool is leaking or if the water loss is just normal evaporation?

Try the bucket test to determine if water loss is due to evaporation or a leak.

The Bucket Test

The "Bucket Test" will determine if water loss in a pool is due to evaporation or a leak:

  1. Bring pool water to normal level.
  2. Fill 5 gallon bucket with pool water about 3-4 inches from top.
  3. Place bucket on first or second step of pool.
  4. Mark water level on inside of bucket.
  5. Shut off pump and mark pool level on outside of bucket.
  6. Resume normal pump operation. Make sure auto/manual fill valve is off during test.
  7. After 24 hours, compare the two levels. If the pool water (outside mark) goes down more than the inside water level, there is probably a leak.

In case of rain, repeat the test.

Test is not valid after 24 hours.

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    This entry was posted on Friday, May 22nd, 2009 at 8:10 am and is filed under swimming pools, tips. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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    2 Responses to “How can I tell if my pool is leaking or if the water loss is just normal evaporation?”

    1. pam says:
      May 26, 2009 at 7:48 am

      I have a leak under the deck and it only happens when the pump is on. I see water coming from below the pool step. Can you tell me what is causing the leak.

    2. Josh says:
      June 24, 2009 at 8:37 am

      Hello Pam,
      We can let you know where your leaks are. It sounds like it may be in your return line, but we can verify it for you. Go to http://www.americanleakdetection.com/franchisee-locations-by-state.php to find service in your area.

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