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Top Causes of Cloudy Pool Water and How to Fix Them

cloudy pool water

Having a pool is fun and you can jump into the water any time you want, and have great fun with friends and family, but when you find cloudy pool water your mood turns bad because you don’t wish to jump inside anymore. There are several ways to clean water and make it crystal clear but most people go after the symptoms and try to fix it instead of remitting the main cause of it. Replacing the water with fresh one will replace the cloudy pool water but it will become cloudy after some time. If you want to keep your pool water clear and fresh learn about some major causes of cloudiness and the right way to treat it.

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Main Causes of Cloudy Pool Water

There are several types of cloudy pool water and pool cleaning companies describe it in different ways to their customers and give their reasons for the cloudiness. Some say it is because of winter or summer, while some say that the water is dirty and bla bla. The first thing that pool cleaning technicians see is the color and the amount of cloudiness of pool water. Different causes can make water cloudy in different ways such as whitish like someone poured a jug of milk in it, cloudy but brownish caused by dirt, dull and colorless probably due to dirty inside walls of the pool, and some time green pool water due to growing of fungi on the surface or inside walls of the pool. We narrow down some major causes of cloudy water.

  • The most common cause of cloudy pool water is imbalance in the total alkalinity of the pool water. The ideal range of total alkalinity is between 80 and 120, and you need to add acid or pH reducer to bring down the alkalinity of the pool water. Although you can also swim in water with high alkalinity but normal alkalinity will be more comfortable to swim in.


  • Leaving the pool water on its own and not giving it proper care will definitely be affected by the environment and the water will be both cloudy and dirty. Contaminations such as dirty and dust, leaves and rain and even bird droppings can all pollute the pool water. Cover the pool with a pool cover when it is not in use to prevent all these things from dropping in the water.


  • Improper maintenance of cleaners and filters can also turn the color of the pool. The water flows through mechanical equipments such as pump, vacuum and filter system, which also need to be cleaned as much as the water.


  •  As you go deeper the pool water the water starts to get dense which don’t get much circulation compared to upper water which can also be a cause of cloudy pool water. If you haven’t used the pool for a while it might get cloudy but if its pH level is fine, it is good to use; use a tool to circular the water.


  • Another reason of cloudy pool water is the improper choice of cleaners and filters. If a pool is not fitted with the right type or size of cleaner or filter, the pool water can become cloudy after a few days of cleaning.

As I said earlier there could be many reasons for cloudy pool water, and it would be good if you share a rare cause of cloudy water with others and its solution if you have it.


Quick and Easy Remedies of Cloudy Pool Water

Cloudy pool water is treated in a variety of ways depending upon the color and level of cloudiness of the pool water. The technician will determine a few things first, using different tools such as pH level meter and filters, and water quality checkers before applying a remedy. If you have a small pool or want to keep some quick fixes in your book try these tricks to see if they work for you.

  • Keep in mind some common causes of cloudy pool water as discussed earlier. You should determine the main cause of the problem before moving to make fixes because you will not see the results which you will expect. The water will become cloudy again after a few days of cleaning it if you don’t fix the cause.


  • Empty the pool and clean the walls and especially the bottom of the pool because all heavy particles and dirt sit down the bottom and stick to it. Do through scrubbing with a cleaner and pool detergent – this is a painstaking work and might consume your whole day but it is necessary to have clear water. Hire a pool cleaning technician to do the job if you can but if you have right cleaning tools such as vacuum cleaner and hot water pressure sprayer and detergents and chemicals the job will be a lot easier.


  • Use chemicals such as flocculent and water clearer which binds tiny particles together to make them big enough to settle down the bottom and you can vacuum it out later. A popular pool water cleaner is the Polysheen® Blue by BioGuard and you will easily find it in a large store. There are also other water cleaners by BioGuard that can make water clearer. It requires a small quantity in the pool water and you will see the different in few hours.


  • Filtering the whole water can also help you clear the water and it can take several hours or even a day before you can clearly see the bottom of the pool; to speedup the cleaning replace the filter with a new one.

Diagnosing the Problem for Significant Results

If quick and easy steps didn’t work for you then you should move to lengthier ways to fix the problem. The first step to getting a clear blue water is diagnose the problem; try finding the problem using the guidelines discussed earlier, but if you think that there is more to it look for other possible causes.

Some Effective Remedies

  • If you are using a heater to bring the pool water to warm temperature, check the quality of water using a pH meter. Intex pool heater is a popular and easily available pool water heater. Check the manual of the pool heater to see if it has some instructions regarding water quality because a mechanical problem can also sometime cause water to get dirty such as oil leak. Some heaters also come with a water filter which is installed internally; replace it if your heater has one.


  • Check the pH level of the water as it is the most common problem and most people are confused adjusting the pH level of their pool water. If you don’t know much about chemistry, imagine a balance having acid on each side and base on the other, a higher alkaline means that the base side if heavier and you need to add some acid on the other side to balance it. The pH of acid and base are measured in acidity and basicity respectively irrespective of their weight.


  •  Besides pH level, the most important aspect of keeping pool clean is maintain the range of calcium hardness and combined chlorine in the water, and their imbalance can cause cloudiness in the pool water. The range of calcium hardness is 220 to 350 ppm and total alkalinity or pH has a range of 7.2 to 7.8.


  •  Some pool owners complain that the pH level of their pool water is in range but they still have cloudy pool water. This could be because of dirty filter of pool cleaning system. If you are using electric pool heater check it for oil leaks and clean the filter if it has one. Add some free chlorine to kill germs and fungi while keeping it in the range of 30 to 80 for outdoor pools and zero to 20 for indoor pools.


  • Shock the pool water to fix cloudy pool water by pouring some shocking chemicals or the quantity as prescribed by its manufacturer into a medium size bucket filled with water, leave it for few minutes and slowly pour it in the pool from different sides or let it flow slowly through the filtration system if possible.

How to Choose Pool Pumps for Sale?

Swimming pool in a house is a sign of luxury and people love to have it in their homes so that they can relax anytime they want but it is not so much about the luxury because it also requires some maintenance and every swimming pool owner should have pool pumps for sale. There are different kinds of swimming pool pumps available in the market and they vary in size and horse power and choosing the right pump for a swimming pool is very important. There are a few basic tips which can help you buy some good pool pumps for sale.

It is always good to know some basics about swimming pool pumps for sale and which some popular models in the market are.


Size of Swimming Pool

The size of the swimming pool has a big part when choosing from some popular pool pumps for sale as small pumps for a large swimming pool will take many hours or even days to empty the pool completely before you can start cleaning it. Most people look at its horse power and size because they think that higher the horse power their pool pump will have, faster the poll will get empty. But infact you don’t always want to use the pump to empty the pool because you some time need to keep it filled and use the pump to regulate the water.

In most cases the power of a pool pump is measured in horse power but some time the water capacity of the pump is also considered as how much water goes through the pump which is measured in litres per minute. Pool pumps for sale of same horse power can have different water capacity. So reviewing the capacity and horse power is very important and it varies with brand and model of the pumps.


Choosing the Right Size of Pool Pumps for Sale

The size of the pool also matters and in most cases the size increases with horse power and water capacity. Some models have a pump only and it is used to empty the swimming pool but some good pool pumps for sale from big brands have a filter system which cleans the water as they pump. These pumps are usually large in size because they have a filtration system installed in them and they are fairly heavier than smaller models.

As the horse power of swimming pool pumps for sale increases the water capacity also increases and it takes less time to empty the swimming tool which is also sometimes called as the ‘turnover time’. For a general purpose swimming pool for home use a water pump with a horse power of about 1hp with a water capacity of around 200l/min would be good enough. Depending upon the horse power and size of your water pump the time required to empty the pool varies and some large water pumps used for commercial purposes can take 2-3 hours to empty the pool.


Types of Pool Pumps

There are more types of swimming pool than you know and newer technologies and models are coming to the market every day, but you can distribute them in a few types such as for speed. Some time you don’t want to empty your swimming pool but just want to replace the water or reuse it after filtering it. Water in a swimming pool often become cloudy if you stand still for few days and the best way to regulate the water is to use the pump and circulate it.

Most new pool pumps for sale offer two speed selection which you can use to regulate the water and it is ideal for small pools. You can also use it for daily filtration and it can empty small pools in few hours. Some four speed pool pumps are also very popular and they are often used for commercial purposes such as for large pools, fountains and where emptying pools more quickly is required. They are fairly large in size and they are also much costly than two speed pools.

Some larger pool pumps for sale also have multiple speeds which can be adjusted as per required and it is not ideal for home use. Large models consume much electricity and they make a loud noise.


Electricity Bills

All pool pumps for sale run on electricity and large pumps can consume much amount of electricity and can affect your bills. Large pumps are often used commercially and they can afford to pay high electricity bills but if you are buying pool pumps for your home use you should look for smaller models of water pumps which can easily be placed in your garage or store and they don’t make much sound.

Large pool pumps for sale also require the help of a technician but smaller pumps can be used with a permanent installation and they won’t affect your electricity bills.