Humidity refers to the amount of moisture in the air- when air is moist, water molecules tend to stay in place, rather than infiltrating the already water-laden air. As a result, humid air keeps water in the pool, while dry air allows pool water to evaporate. Non-humid areas also tend to be sunlight-intensive, providing another reason for pool water loss. When the sun's rays beat down most strongly, water molecules evaporate and dry up, converting to air molecules - a perfect match for the area's non-humid air!
As a result, people in sunny, non-humid areas, especially the southwestern United States, can experience more pool water evaporation. Leaks can be expensive, but they get even more costly if your leak detection specialist destroys your property to locate the source. You get an accurate, upfront quote before we start any work. All quotes are based on your specific situation, your property, and our expert recommendations. Nothing more, nothing less. Information about these offers—and sometimes an on-line coupon—is provided right on the water agency website.
The bottom line is that covers work really, really well. If you want to dramatically slow the march of evaporation on your pool-water level—and you do nothing else—adding a cover will make a world of difference. Although not effective as a genuine pool cover or solar blanket, a liquid solar blanket can provide some help. Liquid blankets are lighter than water, and they are best described as a microscopic film that sits on the pool surface.
They come in several forms, including tablets , bottles , and fish-shaped dispensers. Simply pour or add the product into your pool, and the contents will automatically disperse across the entire pool. Transforming into a protective molecular barrier, the liquid blanket traps heat and slows down evaporation. Used by thousands of pool owners, liquid blankets have increased in popularity over the last decade. Some versions require you to manually add the product on a daily basis, while others provide automatic dispensers that work on their own for up to a month.
Fountains, waterfalls, and laminar sprayers, as well pool slides with water flowing down their runways, add beauty, sound, and extra fun to your backyard resort. But when in use, they also increase the amount of water surface exposed to the air and sunlight. That extra exposure leads to extra evaporation.
In particular, pay extra attention to features that spray water into the air or that cascade in raindrop- style sheets of water. Because the entire surface of each small water droplets is exposed to air and heat, they are more prone to evaporation. Compared to a trickling rock waterfall , these kinds of features may lead to greater, quicker water loss. Turn off these features to prevent needless evaporation; the added benefit will be saving energy that your pool pump requires to run them.
Of course, when you entertain guests or when you and your family use the pool, turn them on, and enjoy! Lowering the pool thermostat is a simple, effective way to slow evaporation. The reason: Warmer water has faster-moving molecules that more easily vaporize, and float away. When the mercury drops in the evening, a warm pool becomes especially vulnerable; in the cold night air, water molecules turn into mist that easily evaporates. This process accelerates when the temperature of pool-water is higher than the temperature of the air.
Cooler water is more resistant to dispersing into the atmosphere. So take note: If you will not be using the pool for a while, just go ahead and turn down the heater. For evaporation, anywhere between 2 millimeters to 2 inches per week is about what you should expect in terms of pool water loss. This largely depends on the conditions we mentioned above which are mostly governed by the climate you live in, but it also has a lot to do with the unique conditions of your swimming pool.
There are pool evaporation calculators you can use, and they work pretty well if you can feed them with accurate information.
You could simply mark the side of your pool to the same effect, but using a bucket allows you to remove many of the outside factors mentioned above, and get the most accurate reading on evaporation alone. If, after performing the test, the water level on the inside of the bucket is noticeably higher than on the outside, you probably do have a leak. Now that you have a general sense of where the leak is, the next step is to pinpoint exactly where it is in your pool. Just get a handle on what your evaporation rate should be, and be prepared to take swift action if you suddenly start losing more water than expected.
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