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How often should you drain a swimming pool in Arizona?

How Often Should I Drain My Pool in Arizona?

Arizona is unique with its desert climate, which can be harsh on pools. You should plan on draining it out every two to three years. But of course, it depends on a few factors so that it could be more or less often. Don't worry, though. We're here to help and answer any questions you may have.

Factors that may require you to drain your pool more often:

  • High levels of minerals in the water.Arizona’s water contains high levels of minerals, such as calcium and magnesium, that can accumulate over time, resulting in cloudy and hard pool water. Draining the pool and refilling it with fresh water can eliminate these minerals.
  • High levels of algae. Algae is a plant type that can cause green, cloudy water and be harmful to swimmers. If there is an algae problem, the pool may require more frequent draining and refilling.
  • Damage to the pool Cracks or leaks in the pool can cause damage that would necessitate more frequent draining and refilling to prevent additional harm.

Factors that may allow you to drain your pool less often:

  • Low levels of minerals in the water: When the mineral levels in your pool water are low, it can significantly reduce the rate of mineral buildup. Minerals such as calcium and magnesium can accumulate over time and cause scaling on pool surfaces. However, if your water has low mineral content, you may be able to extend the time between drainings as the mineral buildup will be less pronounced.
  • Low levels of algae: Algae growth is a common issue in swimming pools, and it often necessitates draining the pool to eliminate the algae infestation. However, if you consistently maintain proper water balance, sanitation, and regular algae prevention measures such as adequate chlorine levels and algae inhibitors, you can effectively control algae growth. By keeping algae levels low or preventing their occurrence altogether, you can reduce the frequency of pool draining.
  • No damage to the pool: Damage to your pool, such as cracks, leaks, or structural issues, can sometimes necessitate draining the pool to address and repair the damage effectively. However, if your pool is in good condition without any visible damage, you can avoid draining it solely for the purpose of preventing further damage. Regular inspections and prompt repairs of any issues can help maintain the integrity of your pool and minimize the need for draining.

Benefits of Draining Your Pool

There are several benefits to draining your pool regularly. These benefits include:

  • Improved water quality. Draining your pool and refilling it with fresh water can help to improve the water quality. This is because the fresh water will not have any minerals or algae built up over time.
  • Reduced risk of damage. Draining your pool can help to reduce the risk of damage to the pool. This is because draining the pool will remove any debris or contaminants that could damage the pool’s surface or equipment.
  • Extended pool life. Draining your pool can help to extend the life of your pool. This is because draining the pool will remove any minerals or algae that can build up over time and cause damage to the pool’s surface or equipment.

Tips for Draining Your Arizona Pool

If you decide to drain your pool, there are a few tips that you can follow to make the process easier. These tips include:

  • Plan ahead. Before you start draining your pool, it is important to plan ahead. This includes making sure that you have a place to put the old water and that you have the necessary tools and supplies.
  • Drain the water slowly. It is important to drain the water slowly to prevent damage to the pool’s surface or equipment. You can do this by using a sump pump or a garden hose.
  • Clean the pool. Once the water has been drained, it is important to clean the pool. This includes cleaning the pool’s surface, equipment, and filter. This is the perfect opportunity since the old water is gone, and new water is about to be added.
  • Refill the pool. Once the pool has been cleaned, you can refill it with fresh water. Be sure to add the correct amount of chemicals to the water to maintain the proper balance.


In conclusion, draining your pool in Arizona is important to maintain water quality and prevent damage to your pool. The frequency of draining will vary depending on several factors, including the mineral content of your water, the presence of algae, and any damage to your pool. However, you should generally plan on draining your pool every two to three years.

If you have any questions or concerns about draining your pool, or you’d like to take advantage of the opportunity to get the pool thoroughly cleaned, we can help! Schedule a free inspection, and we’ll happily assist you.

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