Why Is My Pool Water Cloudy White? [Facts!]

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It’s not just the white wine that comes with your meal that night, the water in your pool is just as responsible for that enchanting glow around your pool area. You see, when the light hits the surface of the water at a certain angle, it gives off a sparkling reflection that’s impossible to resist.

So, what’s wrong with your pool water? You may be experiencing some of the problems discussed below.

Algae Proliferation

If your pool water is displaying an undesirable green tinge, there’s a good chance that it’s infected with algae. Even in well-maintained pools, algae can quickly overpopulate and choke off the oxygen in the water. That’s why it’s so important to keep your pool clean! If your pool isn’t cleaned regularly, it’s very likely that algae will start growing uncontrollably and block the light at the surface, causing your pool water to turn a cloudy white.

Unfortunately, algae are very hardy organisms and extremely difficult to remove from water. This is especially true with chlorophyll-rich algae, which are almost impossible to destroy with ordinary pool chemicals. In addition, algae are very small and can quickly swim away, meaning that even with the most careful cleaning, they can easily reappear. On top of that, some algae are even known to secrete toxins that are quite harmful to humans and animals.

Salt-Caused Damage

Did you know that salt can cause major damage to your pool? It’s true! While it might seem that adding too much salt would be beneficial to your pool’s health, in reality, it can cause all kinds of problems. For instance, if water is too salty, it can lead to corrosion of pool surfaces. Corrosion is the gradual wearing away of something, often causing it to become weaker and eventually break down. This can lead to dangerous leakage or overflow events if it’s not handled properly.

Salty water can also lead to a drop in pH, which in turn, can cause damage to your pool’s plumbing system. The list of problems that can be caused by too much salt goes on, but the point is, too much salt is never a good thing! Always remember that the salt content of your pool should be in perfect balance with the hardness of the water. If this is not the case, then you should consider lowering the hardness of the water with the addition of calcium.

Chlorination Byproducts

Did you know that disinfectants used for swimming pools contain toxic chlorination byproducts? Chlorination is the process of adding chlorine to the pool water. While there are many benefits to having a pool, there are also some serious concerns regarding the toxins that are often created during the process. There have been many studies that have linked excessive chlorination with the development of cancer. Ingesting or contacting chlorination byproducts can cause serious gastrointestinal irritation. In addition, studies suggest that children and animals may be more susceptible to the adverse effects of chlorination byproducts. This is why it’s so important to practice good water management and use proper chemicals when treating your pool with chlorine.

Fluorescent Light Bulbs

Did you know that there’s also a group of harmful bacteria that can grow in the light coming from fluorescent light bulbs? These bacteria contribute to the development of rashes and blisters in susceptible individuals, which can then become infected. Did you know that too many bacteria can cause an entire pool to be filled with a foul odor that’s impossible to hide? You see, the bacteria in question are mostly harmless, but they can multiply rapidly and outnumber the beneficial bacteria in your pool. So, even if you don’t experience any problems yourself, it’s still advisable to keep an eye on the levels of bacteria in your pool. If it goes above a certain level, then it may become necessary to treat the water with antibiotics or other chemicals.

Stainless Steel

Did you know that some pools are made of stainless steel, which is a highly efficient pool material that prevents algae growth and prevents corrosion of the pool surface? Did you know that keeping your pool clean is a pain-free process that will give you amazing results without all the hassles of traditional pool chemicals? It’s true! With proper cleaning and attention to detail, you won’t have to worry about your pool becoming an eyesore or about the safety of swimmers in the pool. Just keep it clean, and you’ll be good to go!

Now, this doesn’t mean that all pools made of stainless steel are created equal. Just like any other pool material, stainless steel pools are not indestructible and need to be treated responsibly. For instance, if you live in an area that has particularly hard water, you might want to consider treating your pool with chemicals that help reduce scaling and corrosion.


Did you know that heat is also a factor that can cause your pool water to become cloudy? It’s true! Depending on the source, heating your pool water can result in either an increase or decrease in the number of algae in your pool. What’s important to note is that too much heat, regardless of the cause, can lead to serious problems for your pool. Always remember that the temperature of your pool should be maintained between 68-77 degrees Fahrenheit and that any fluctuations can cause serious harm to your pool.


Did you know that depending on the time of day and the location of your pool, the quality of the light can vary dramatically? It’s true! During the day, when the sun is directly overhead, light in the form of ultraviolet rays can directly hit the surface of the water. This can cause significant damage to your pool’s coating, contributing to algae proliferation. Did you know that light waves can be reflected off the surface of the water, causing dazzling effects that attract insects and even fish? Well, you probably do now! The point is, not all light is good for your pool. If you live in an area where there’s a lot of sun, then you might want to consider covering your pool with a protective roof or some other form of shade.

So, what’s the bottom line? If you want to keep your pool water crystal-clear, then you need to practice proper water management by testing for and removing algae at least twice a month with a proper pool vacuum and cleaning routine. In addition, you should only use chlorine-based chemicals in moderation as a preventative measure and consider alternative, safer options whenever possible. Sometimes it’s necessary to resort to more intensive treatments, but with proper chemical usage and a decent filtering system, you’ll be able to avoid many of the problems discussed above. So, if you’re looking to upgrade your pool’s appearance or feel that your current setup isn’t safe or comfortable for swimmers, then you may want to consider investing in a pool made of transparent acrylic or similar material.

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