When and Why Should You Drain a Pool?

Pool Maintenance | 08/20/14

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Each and every year pool owners unknowingly empty their pools for a variety of reasons: for an extensive annual clean, to correct the pool pH, the pool won’t be in use for a significant period of time… the list goes on and on. While completely draining your pool is almost never recommended, there are some instances in which you will need to learn how do you drain a pool and do so properly. Below is some of our most pertinent advice for how homeowners can drain their pool (though whenever possible, do so under the guidance of a professional pool contractor or company):

How Do You Drain a Pool: Inground pools

Inground pools should only be drained when you need to stabilize the Total Dissolved Solids (TDS) of your pool or if a repair is necessary. Pool owners should never drain their pool as part of regular swimming pool maintenance service as draining the pool can actual cause the TDS factor to rise, as well as increase the risk of calcium deposits, brown manganese stains, and pool deterioration. If you need to clean your pool, do so with water in it and not outside of it.

Keep Today’s Temperature in Mind

The best time to do any repairs or resurfacing work on a pool is when it’s below 85F, and certainly when it’s below 100F. It’s also ideal to never keep your pool drained for over 1 or 2 days as doing so even in the coolest of weather can cause the ground surrounding your pool’s foundation to shift and change, which can cause extensive damage to your pool and the area around it.

How Do You Drain a Pool: Above Ground Pools

Unlike inground pools, you don’t have to worry about the foundation of the pool collapsing with an above ground pool. Sometimes, no mater how many pool chemicals you use or how hard you work to balance your pool pH, the water will still become cloudy (more than likely due to algae) to the point where the lining at the bottom of your pool can no longer be seen. In these situations, you can safely empty your pool, but it should be refilled as soon as possible as the liner can shrink, stretch, or other problems can also arise.

If you are unsure about the maintenance of your Arizona backyard pool, contact a Shasta Pools service specialist who will be more than happy to help! 



Shasta Pools is a Phoenix pool builder who provides a variety of services including swimming pool remodeling, commercial pool building, and pool service and repair. Since its establishment in 1967, Shasta has helped over 80,000 families realize their dream of pool ownership. By providing exceptional value, quality craftsmanship and superior customer service, the Shasta team continues to fulfill the corporate mission of astonishing and delighting their customers and exceeding expectations. You can learn more about Shasta Pools & Spas by visiting them online, or by connecting with them on Facebook or Twitter.


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