Why is My Pool Losing Water?

No matter which season you are in, your pool can lose inches of water a week. Natural causes such as wind, heat and humidity can contribute to pool water loss. This is a big deal, because if your water level gets too low it may cause your pump to suck air and run dry, which can damage it. 

How the Seasons Affect your Pool Water Level

In winter, your pool water is affected by the humidity in the air and the ambient temperature of the air. When humidity is low in the winter, the air and water try to balance out the differences. This means that even when the weather is cold, moisture is drawn out of your pool into the less humid air. Low humidity equals high evaporation that takes water out of your pool. Low rainfall also means that the water that is lost is not replaced. High wind can also affect the amount of water your pool loses by drawing moisture from the top of the pool out at a higher rate. Having fences, bushes or shrubs around the deck can help with water loss due to the wind.

Your pool also loses water in summer, up to 2 inches per week, due to the heat of the air. You can employ a pool cover to protect the pool from these powerful rays. A pool cover will also keep heat in your pool when the weather is cold. In summer, the air around the pool is hotter than the pool water. To balance this discrepancy, water is drawn out of the pool or evaporates. This water loss can be worsened by the heat of the sun and is an issue in areas with copious amounts of sunshine, like the Southern United States. Having trees or bushes around the pool will shield it from some of the heating rays. If you are concerned about debris, a pool screen enclosure will help keep leaves and twigs out of your pool.

If you think your water loss is due to a leak, you can perform a simple bucket test to measure the amount of water that your pool is losing. 


For any questions visit your local Pinch A Penny store.

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