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How To Keep Your Cool in Extreme Heat

People often dream of having an endless summer. But the reality of ever-rising temperatures can make fun in the sun a challenge.  As heat waves roll through your backyard, the importance of preparation in the face of extreme temperatures has never been higher. That said, the relentless summer sun doesn’t need to ruin your next pool party. With a few simple precautions, you can stay safe and keep on swimming through all the toasty weeks to come.

Pool Preparation

Extreme heat can leave a negative impact on your pool chemistry if left unattended. When the ultraviolet rays of the sun hit your water, they break apart the hypochlorite ions created by chlorine and release chlorine gas into the air. Sunlight alone can reduce the chlorine level of your pool by up to 90 percent in just a few hours! Most professionals recommend using a chlorine stabilizer to extend the life of your chlorine and stave off the effects of UV rays.

BONUS TIP: To see if you need more stabilizer or conditioner in your pool, test the water for Cyanuric Acid (CYA). Levels should stay between 30-50 ppm for optimal chlorine performance.

the sun's harsh UV rays can negatively impact pool water chemistry

In addition to the sun’s ultraviolet rays, rising temperatures also have a profound effect on pool chemistry. Extreme heat burns out your chlorine at an increasingly faster rate, leading to unsanitary and unsafe swimming conditions. Because it’s easier for algae and bacteria to grow in warmer environments, low chlorine levels can quickly lead to murky, filthy water. During periods of extreme heat, it's important to test your pool water for Free Available Chlorine (FAC) levels on a regular basis. The ideal range for your FAC levels are between 2.0 and 4.0 ppm. This number should stay close (if not identical) to Total Available Chlorine (TAC) levels. Should your water fall below this range, it’s important to shock the pool immediately to keep it clean, clear, and safe through the hot summer months.

Summertime Safety

use caution

Under extreme heat, your chlorine level isn't the only thing taking a beating. Rising temperatures leave you at risk of sunburn, heat stroke, and heat exhaustion! No pool party is worth risking your safety over, so be sure to take proper precautions before venturing outdoors.

First and foremost, recognize the signs that you might be experiencing heat stroke or heat exhaustion. Heat stroke is caused by your body overheating. It increases your heart rate, makes your skin dry to the touch, causes headaches, and can even induce nausea and vomiting. Heat exhaustion is similar, but the symptoms are markedly different. It causes a slower heart rate, heavy sweating, and clammy skin.

As with most things, prevention is the best cure for heat stroke and heat exhaustion. Relax in shaded areas, drink plenty of water, and only wear lightweight clothing. If you or someone nearby appears to be experiencing heat exhaustion, move them into air conditioning, apply cold compresses or a cool cloth, and offer something to drink. If they're showing signs of heat stroke, call 911 immediately, and move them somewhere cooler while you apply cold compresses.

Poolside Drink

Dehydration is also a serious threat in the heat. It's best recognized by feelings of dizziness, fatigue, and extreme thirst. It’s easy to forget to stop for a drink of water while having fun in the pool. But taking regular breaks to cool off and re-hydrate will go a long way toward keeping you safe. Keep cold refreshments readily available, and stop for a drink every 20-30 minutes at minimum.

Finally, you likely don’t need to be reminded to use sunscreen to prevent sunburns in the summer. However, it’s important to also remember how often sunscreen needs to be applied. Even when the weather is cloudy outside, the risk of sunburn during periods of extreme heat is ever-present. Reapplying your sunscreen over the course of the day is a must; sunscreen loses its effectiveness over time, and can wash off in the water.

Cool Your Pool

Hot weather and pool temperatures

Drinking water and staying in the shade will keep you cool. But did you know there are ways to cool down the swimming pool itself? The simplest, most cost-effective way to keep your pool a few degrees colder is to run your pump at night, when the air is cooler. The effect won’t be drastic, but this should still make a noticeable difference.

Another effective way to cool your pool is to install a reverse-cycle heat pump. That may sound counter-intuitive, but many heat pumps have the power to run reverse cycles that take heat out instead of only pumping it in. As such, a reverse-cycle heat pump is a great investment for both extreme heat and cooler weather. Once summer's over, it will extend the number of weeks you can comfortably swim in your pool. Similarly, dedicated pool coolers are also a great way to lower your water's temperature and give you perfectly chilled pool water.

Finally, the most entertaining way to cool your pool in extreme heat is to install a waterfall or fountain. Adding a bit of air to your water and keeping it circulating can make a big difference in how refreshing your pool feels. Whether you install a fountain, a waterfall, or even a pool slide, it’s hard to go wrong with any moving water features. Looking for more pool cooling tips? Check out our other blog post, "How To Cool Your Pool in the Summer."

BONUS TIP: If you're not looking to make modifications or add equipment to the pool, just use a sprinkler. Place it by the pool edge to help with refill, or set it up in the yard for a different kind of play. Sprinklers are especially fun for young children and groups. All you have to do is connect a garden hose, and you're all set!

Beat the Heat

Patio Furniture

Extreme heat can ruin your summer fun in a hurry. But with a few simple precautions, staying safe and cool in the pool has never been easier. Checking and adjusting the Free Available Chlorine levels in your water takes only a few minutes each day. Everyone should always be using sunscreen and drinking plenty of water, even while swimming in the pool. When temperatures rise to the extreme, it’s possible to cool down the water itself and keep your swimming pool from becoming a hot tub. If you still need help beating the heat, stop into your local Leslie’s. From chlorine and cooling options, to fun sprinklers and patio umbrellas, our pool solutions can help you spend less time worrying about the heat and more time making a splash!

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