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If you suspect your swimming pool is leaking, it’s important to get it taken care of right away.  Water leaking from your pool not only costs you money, but water leaking into the soil can cause serious damage to your foundation or to any structures on your property.

Sometimes it can be difficult to tell if you even have a leak.  A big leak is pretty obvious, but it’s not easy to tell the difference between a small leak and water loss due to normal use and evaporation.  One way to tell is by using the bucket test.

Fill a bucket almost to the rim with pool water.  Sit the bucket on a pool step so that the pool water level is at least a couple inches below the rim of the bucket.  If the bucket tries to float away, put a couple bricks or rocks inside the bucket to hold it down.

Mark the water level inside of the bucket with a pen or magic marker.  Mark the outside of the bucket at the pool water level.  Wait at least 24 hours and compare the water level inside the bucket with the pool water level marked on the outside of the bucket.  If the pool water level has gone down more than the water level inside the bucket, your pool is probably leaking.

At this point, your best move is to call a pool service company that specializes in leak detection and pool and spa repairs.  A good leak detection company will have computerized leak detection tools that can not only confirm that you have a leak, but also calculate how big the leak is.