How to Cool Down Your Swimming Pool

During peak summer months, the high temperatures can make your pool water feel like bathwater—often reaching uncomfortable levels. Fortunately, there are effective ways to bring the temperature down and make your pool feel refreshing again. Here’s how you can keep your pool cool when temperatures rise.

1. Run Your Pool Filter at Night

Running your pool’s filtration system at night is one of the simplest ways to cool down your pool. Cooler nighttime air helps water evaporate, which can slightly reduce the pool temperature. Although this change may not be dramatic, it's a straightforward and low-cost method to try.

2. Use Ice for an Instant Chill

Adding ice to your pool may sound extreme, but it’s a quick way to lower water temperature if you have access to a large quantity. The key is determining how much ice is needed based on your pool size and desired temperature drop. For example, cooling a 10,000-gallon pool by just five degrees could require more than 2,000 pounds of ice. While costly, this method can be a fun and fast solution for an instant chill.

3. Clear Surrounding Landscaping for Better Airflow

If you have plants or trees around your pool, they could be blocking airflow. Clearing or trimming dense landscaping can improve ventilation around your pool, allowing wind to blow across the surface and help keep the water cooler. This approach also reduces debris, which keeps your pool cleaner and more efficient.

4. Install a Reverse-Cycle Heat Pump

A reverse-cycle heat pump is a more technical, yet highly effective, solution for cooling your pool. These pumps use refrigerants to maintain the pool at a desired temperature by running either heating or cooling cycles. If you already use a heat pump for warming your pool, see if it has a reverse-cycle feature. This dual-purpose function can save you from needing separate equipment for heating and cooling.

5. Utilize Your Solar Heater with Nocturnal Cooling

If you have solar panels installed to warm your pool, you can use them to cool the water at night. When air temperatures are lower than the water temperature, running your pump to circulate water through the solar panels can help release heat from the water as it flows. Known as nocturnal cooling, this approach leverages the same heat-absorbing properties of solar panels in reverse, cooling your pool without extra equipment.

6. Add a Water Fountain or Waterfall

Water in motion tends to stay cooler, and aeration from fountains or waterfalls can help bring down water temperature. Connecting a fountain to your return jets, or adding a waterfall feature, can circulate and cool the water while adding an aesthetic boost to your pool area. This method is not only effective but also adds a refreshing ambiance to your pool.

Using these methods, you can keep your pool comfortable and enjoyable, even on the hottest summer days. AQUASTRONG offers products and solutions to help you maintain your pool year-round. Check out our range of pool pumps, filters, and accessories to optimize your pool’s performance and make every swim perfect!