How To Treat Swimming Pool Water? [Solved!]

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If you are reading this, I assume that you are either a swimmer or a parent of a swimmer. Maybe you are in a country where the weather is warm all year round and the water in your pool is always in tune. But maybe you are visiting a place where the water isn’t as welcoming as you would like and you are struggling to keep your pool clean. Whatever the case may be, you are most likely familiar with the frustrating experience of swimming pool water that is cloudy, milky, stinking, or simply not refreshing.

Whether you are an experienced swimmer or a person who has always wanted to try it, reading this article is sure to help. We will discuss the various factors that contribute to murky pool water, offering advice on how to tackle each one effectively and simply.


The temperature of your pool water is one of the primary causes of its clarity. Warm water is more transparent and inviting than cold water, which can often appear murky even when it is clean. The American Swimming Association (ASA) advises against mixing hot and cold water sources to avoid potential health issues. Hot water naturally evaporates more quickly than cold, leaving you with drier hair and skin when you shower.

Mixing cold and hot water sources can lead to discomfort for swimmers and has been known to cause serious health problems. The solution is to keep your pool at a comfortable temperature, which is typically between 75 and 85 degrees Fahrenheit (F).


Algae is quite literally a “swimming pool plant” and needs to be cleansed from your pool water as soon as possible. Just like with the temperature of your pool’s water, algae is also largely affected by the water’s temperature, as well as its chemistry. The clearer the water, the fewer algae will grow and the healthier it will be for you and your family to swim in. If you suspect that your pool is already infested with algae, it probably is. And if it’s a big problem, you will need to get a pool cleaner to regularly eradicate it.


Light affects both the quality and the quantity of your pool’s water. The more light there is, the more algae will grow and the more stench it will give off. During the day, ultraviolet rays from the Sun contribute to breaking down toxins in water molecules, as well as making it easier for bacteria to multiply. This is why you need to block the sunlight reaching your pool directly—either with a building canopy or with a pool cover. You should also check for leaks in the fixtures that are throwing off the moisture, as this too could cause an algae bloom.

Chemical Cleaning

If you are using chlorine to cleanse your pool, it is vital to do so regularly and according to the instructions on the container. If you are using tablets, make sure that you crush them first and mix them into the water. A chemical reaction occurs which helps break down toxins and impurities, giving your pool a freshness which is otherwise difficult to achieve without causing damage to the environment. Always carry out any chemical cleaning with a bucket and a sponge, being careful not to let any excess chemicals seep into the water table or drinking water supplies.


If you live in a place where the water table is high and you don’t have to worry about flooding, you can opt to install a pool filter. These are devices which are designed to remove unwanted substances from the water as it passes through. Some filters are able to remove chemicals such as chlorine as well as small amounts of weed and algae. If you suspect that your pool is contaminated with toxins, a quality pool filter should be your first port of call. The downside to this option is that you will need to change the filter media often (as little as once every week), depending on the amount of debris which is caught by the device.

Water Level

Keeping your pool at a certain level is essential for its proper functioning. For example, if you live in a place where it doesn’t rain often, you should ensure that there is sufficient water in your pool so that your dog does not suffer from dehydration and lethargy. If you use a pool alarm, be sure to set it to alert you whenever the water reaches a certain level. A warning sign will then be displayed above the pool, letting you know that you need to add more water or set the alarm to alert you when the pool needs cleaning. Keeping a pool at a certain level can also minimize the growth of algae and other contaminants. If you use an automatic pool cover, set the machine to lower the cover whenever the water reaches a certain level to prevent any of the water from drying out or evaporating.

An algae bloom can cause all sorts of problems for a pool owner. Not only does it ruin the aesthetic appeal of the pool, but algae is also extremely difficult to remove once it has set in. On that note, it’s also essential to keep your pool clean by removing all debris which floats upon its surface. You can use a skimmer to do this, or you can take the more arduous route and plunge your hand in to scrub out all the gunk at the bottom of the pool. The key to keeping your pool clean and free from algae is constant vigilance, so make sure to check it regularly and remove all signs of life which could possibly multiply and cause havoc in your pool.

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