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Cooling Your Pool Water

Cooling Your Pool Water

In the hottest summer months, your pool water may get so hot that it is no longer refreshing to swim in. If you find yourself in this predicament, there are several solutions you could try to cool your pool to the optimal temperature.

Install a water fountain, feature or waterfall.

Movement in your water, whether that’s air or forced water, helps it stay cooler than if the water were to sit still. As the water moves, evaporation removes some of the heat. We recommend operating your water features at night when the air temperature is cooler for maximum impact.

Invest in a reversible heat pump or pool cooler.

According to heat pump manufacturer AquaCal, “Heat pumps use a refrigerant to maintain a specified swimming pool water temperature by running either heating or cooling cycles.” Run your heat pump in reverse and you can actually cool your pool water. Pumps can be costly to purchase and operate, but they are effective at cooling pool water.

Using a pool cooler is another option for lowering water temperatures. Hot pool water flows into the unit, passing by a cooling fan, then the cooled water will circulate back into the pool. These units are also costly and will need to be professionally installed, but they can cool your water temperature up to 15 degrees!

Can you put your water on ice?

According to an article in the Wall Street Journal, it would take 8,750 lbs. of ice to lower the water temperature of a 20,000 gallon pool by 10 degrees. Adding ice to your pool can be a temporary solution, but it is not the most practical cooling method.

Drain and refill your pool water.

A partial drain and refill of your pool water might be another option depending on where your water is sourced. While this method works (especially if your water comes from cold well water) it is a bit wasteful and will cause you to have to re-balance the chemicals in your pool.

Run your pool filter at night.

While it will not make a drastic difference in temperature, we recommend running your pool filter at night when air temperatures are cooler. Helping the water to evaporate will make your pool a bit more refreshing in the morning.

Photo courtesy of: www.poolandlandscape.com

Add shade to your pool area.

Although it will not be much help to you this season, plant some trees around the pool. This shade will keep your water cooler and out of direct sunlight, especially when planted on the west side. The downside is that you will be cleaning leaves out of the pool in the fall. Installing a moveable awning or pergola may have the same shading effect without the messy debris or permanence of trees.

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