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Supply Water Analysis


ClearWater Systems Ltd. in association with The Bermuda Environmental Laboratories Ltd. are proud to introduce a full water analysis with every proposal for systems. When completing the water analysis, the goal is to provide you the information you need to make the right decisions to ensure the quality of your water. Our goal is not to push our products, but to make you more educated on your current water quality and the specific options available to you.


  • What happens when you schedule your water analysis with The Bermuda Environmental Laboratories Ltd.?

    The Bermuda Environmental Laboratories Ltd water quality expert that comes to your home and will retrieve two samples for laboratory testing. The lab results are available in 48 hours and will show you the results and answer several questions you may have about what’s in your water.

  • What happens when your Clearwater Systems water professional reviews the condition of your water supply?

    Once the analysis is complete, we need to determine the necessary flow rate based on the number of water-using fixtures and appliances in your home or business. We will review this information and provide a detailed proposal those best suites your conditions and home design. If appropriate, the Clearwater Systems representative will offer a further explanation of any other issues that you have been experiencing with your water systems.

    If you decide to move forward with the recommended proposal, you’ll be able to schedule an installation time that’s most convenient for your family or business.

    We look forward to meeting you, answering your questions, and finding a solution to improve the quality of your water that is perfect for your needs and budget.

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UV Systems

  • What is UV (Ultra Violet Light?)

    UV is Ultraviolet radiation, an energy band within the electromagnetic energy spectrum. Its wavelength is between that of visible light and x-rays and it has been found to be an effective method for destroying germs in a water supply.

    UV destroys germs by causing a molecular change in their DNA makeup that prevents them from multiplying and destroys the ability to spread disease. When germs cannot multiply, they are considered dead.

  • What is UV dosage?

    Different germs can tolerate different amounts of UV light and therefore require varying amounts of UV energy to be destroyed. By definition, dosage is the intensity of UV light multiplied by time. The intensity is the amount of UV energy that the UV lamp produces at a certain distance from its surface per square centimeter of the lamp’s area. The time is the period it actually takes the water to travel inside the UV chamber.

  • What Factors affect UV performance and effectiveness?

    UV light can only be effective if it hits its target. If for example, UV light is prevented from reaching its mark due to suspended solids or other impurities in water, then UV will not be as effective as it can be.

    The following are the main obstacles that will reduce the effectiveness of UV disinfection:

    • Suspended solids. These will act as an umbrella, ‘protecting’ germs from UV light. Suspended solids should be physically removed from water by pre-filtration before it goes to an UV unit

    • Iron/manganese will cause discoloration on the quartz sleeve that surrounds the UV lamp and reduces the transmission of UV light, they will also absorb UV energy. They should be removed from water by pre-treatment or at least reduced to no more than .3 ppm for iron and no more than .05 ppm for manganese.

    • When water is hard, scale will eventually build up on the quartz sleeve around the UV lamp and will stop the UV light from passing through. A water softener should be used before an UV unit if the water is hard.

    • Other organic and inorganic dissolved substances can also reduce the germicidal effectiveness of UV light and should be pre-treated before an UV unit.

  • What types of UV Applications are there?

    The use of UV systems is found in residential, commercial and industrial applications, as well as in sewage treatment plants. UV can be used in: homes, cottages, hotels, motels, buildings, factories, rinse processes, bottling plants, food processing, cooling towers, breweries, hospitals, fisheries, farms, wineries, and the list goes on.

  • What are the advantages of UV Water Treatment Systems?

    UV has many advantages over other disinfection processes:

    • UV is effective and quick. No need for holding tanks and reaction times. No need for storing chemicals.
    • UV does not alter the taste of water, which makes it ideal for use in bottling plants and food processing applications.
    • UV is safe. NO need to add or handle hazardous chemicals or risk polluting the environment.
    • UV is compatible with all other water treatment processes. No need for de-chlorination if using RO systems. In fact, UV enhances the use of other water treatment by keeping them free from germs.
    • UV is economical. Almost always, the cost of UV disinfection units is much less than the cost of chemical treatment systems. The cost of service and maintenance of UV units is very low. The electrical running cost of an UV unit in a house is about that of a regular light bulb.
    • UV is more effective against viruses than chlorine.
    • Easy installation. UV units are very easy to install and require very little space. 

  • What are the limitations of UV Water Treatment?

    Excessive bacteria counts in water may require additional UV dosages or chemical treatment. Other factors, such as water temperature, should also be considered. UV units are normally designed to operate best between two and forty degree Celsius. Freezing will cause damage to the UV unit and water temperature higher than forty degree C will cause a reduction in UV energy and therefore, a reduced germ kill ratio.

  • Are any chemicals required by a UV system? Or is there anything else that I will need to add?

    It is recommended by most manufacturers that you use a 20 micron sediment filter because large particles act as a haven for microorganisms, which is what you are trying to destroy. Sometimes multiple sediment filters are required because of the water’s turbidity. This is because color and suspended particles will diminish the transmission quality of any UV light. In these cases, a quality carbon filter is used to filter the sediment first.

  • Is there anything required before I install an ultraviolet water filter system?

    You should make sure that your water tank has been cleaned and disinfected and tested to determine any unwanted biological activity is present. The plumbing lines that run throughout your home (water lines, water heater, etc.) is clean first. In order to do this, you should disinfect the entire downstream system with chlorine. ClearWater Systems includes this Whole House disinfection with each POE installation.

  • What about Installation guidelines?

    UV units should be installed after any water pre-treatment process, just before the cold and hot branch lines. If in doubt about the size of an UV unit that is needed, always use a larger unit rather than a smaller unit. Normally, an 8gpm UV unit will be installed as close as possible to the dispensing point. All the pipes should be treated with chemical shock treatment and flushed thoroughly before an UV unit is commissioned and prior to its use.

    UV dis-infection is very quickly gaining ground on other conventional disinfection processes because it is effective, environmentally friendly and economical. UV does not change the taste of water and does not add anything to it. For many applications, it is the ideal choice for disinfecting water.

  • How long does the UV bulb last?

    You will need to replace the ultraviolet light bulb once every 10 to 12 months. While the bulb will last a lot longer then that, its capacity for neutralizing microbes will be diminished after this length of time and so you will want to make sure that it is changed at this point so that it can work as effectively as possible.

  • Why is the water cloudy/white after a new filter cartridge is installed?

    This is because the water needs flow for several minutes once a new filter cartridge is installed. The water’s cloudiness indicates that there is air in your line, housing and cartridge. This is normal whenever you replace a cartridge. After you run the water for a few minutes the cloudy conditions will go away unless your water is VERY cold. In this case the oxygen in the water is what is making your water look cloudy. Either way, it is always a good idea to run the water for a few minutes after you install a new filter cartridge.

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What's in my water?

Hard Water & Treatment

Hard water problems can exist in supply water for a variety of reasons, many individuals are familiar with some of the annoyances caused by hard water. For those with manufacturing equipment or machinery that use hard water, annoyances can often turn into more costly repairs.

  • Why?

    Hard water problems are caused by an abundance of minerals in the water. Sometimes boiling can remove the hardness, but some high-mineral content water—those that are high in calcium and magnesium sulfates—cannot.

  • Consequence?

    There are no known health problems due to hard water, but some businesses do have to monitor the hardness of their water carefully so that their machines do not break down. The main effect that individuals notice is the lack of suds in their soaps, requiring more detergent for laundry and dishwashing, more soap and shampoo for bathing and spots and mineral deposits or glassware and shower doors. Hard water can also leave deposits in plumbing, hot water tanks, dishwashers, and washing machines, wasting energy and causing early failure of all water using appliances.

  • Solution.

    The easiest way hard water treatment is to soften it. Our experts can help you find the specific water softener that is right for your home and find a permanent solution to your hard water problems. If you think you have a problem with hard water, contact Clearwater Systems for your free water analysis or request a quote.

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Rotten Egg Smell in Your Water

There are few other water problems not quite as recognizable as the water that comes out of the tap smelling like rotten eggs. Many Bermuda homes suffer from this unpleasant odour. Here is why you are experiencing a “rotten egg” smell in your water, the effects it can have, and how to treat it.

  • Why?

    Rotten egg smell in your water supply is the result of the presence of sulfur. Hydrogen sulfide gas actually causes the smell. This gas, and the resulting offensive smell, is most commonly found in well-water or ground water.

  • Consequence?

    Sulfur water has no known health effects, though it can sometimes change the taste of water. Metal items like silverware can discolor or turn a blackish color when washed often, and anyone with sulfur water can attest to the difficulty of getting truly clean clothes. Hydrogen-sulfide water literally lessens the effect of detergent, as well as corrodes any exposed metal parts in the washer.

  • Solution.

    There are several ways to combat sulfur in your water, including chlorine bleach removal, iron removal, and aeration removal. Many softeners are not able to work against sulfur water long term, so it’s important to work with an expert who can recommend the right treatment for the level of hydrogen-sulfate in your water supply. If you think you have a problem with a strong “Rotten Egg” smell in your water, contact Clearwater Systems for your free water analysis or request a quote.

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Chlorine in Your Drinking Water

If your water smells or tastes like chlorine, the good news is that your drinking water is not contaminated.

  • Why?

    Chlorine is used as a disinfectant in water, and added to control microbes in the drinking supply.

  • Consequence?

    Most of the time, individuals will not notice chlorine in his or her water. When too much is used, however, the “pool smell” will emerge. Excess amounts of chlorine do cause a smell or bad taste, can dry out skin and hair, and can have some health risks, including anemia in infants.

  • Solution.

    Many issues with excess chlorine can easily be solved with a drinking water filtration system, or a problem water filter designed for chlorine in your drinking water. If you think you have a problem with chlorine in your water, contact Clearwater Systems for your free water analysis or request a quote.

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Water Smells Musty Fishy or Earthy

Musty Smelling Water that tastes or smells fishy, musty, and earthy is less than desirable to drink and use.

  • Why?

    Many algae or bacteria in the water supply can cause this type of smell, as well as some metals, like iron and copper. Seepage can also be related to an earthy or musty smell to your water.

  • Consequence?

    Depending on what is causing the smell, and the concentration of that matter, water with this type of smell could either be non-harmful or quite harmful to an individual’s health. Some smells are simply due to smell and odors remaining after the water has been filtered at the water treatment plant. Other smells are due to the presence of harmful bacteria or matter still being present in the water.

  • Solution.

    Problem water filters can help in minor cases, but for other cases, like seepage, government officials may issue advice and precautions to ensure water safety. Our water experts will help identify the cause and provide a number of solutions for your fishy, musty, or earthy smelling water. If you think you have an odour problem with your water, contact Clearwater Systems for your free water analysis or request a quote.

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Iron and Manganese in Your Drinking Water

Does your water taste or smell like metal?

  • Why?

    A metallic taste or smell in drinking water is often caused by pipes, or the presence of minerals in the water, like iron, copper or manganese. Many homes report metallic tasting water, which is usually due to the pipes not yet being coated with lime precipitate. Property owners with wells may taste or smell metal more often than those who receive city water.

  • Consequence?

    Most of the time, iron and manganese in your water will not have health effects, though some cases with high mineral concentrations have been known to cause problems. Other effects include rust stains on porcelain, or corroded pipes.

  • Solution.

    A problem water filtration system can often easily solve metallic tastes and odors. In more severe cases, older pipes may need to be replaced, or your system may need to be flushed. If you are worried there may be iron in your water or manganese in your drinking water, our water experts would be glad to put your fears to rest and find a solution if there is a problem with your water.

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Cloudy Drinking Water Problem

  • Why?

    The majority of cases of white cloudy water are directly related to the amount of air in the water. Most of the time, the cloudy water effect will dissipate after a few minutes. Water that is cloudy and is brown, yellow, or green might be caused by metals, minerals or bacteria.

  • Consequence?

    White cloudy drinking water caused by trapped air will have no health effects though sometimes it can be abrasive to pipes or stain sinks. Brown, yellow or green cloudy water may be harmful to the body depending on the type or amount of contaminate.

  • Solution.

    A good problem water filter or drinking water system can help eliminate cloudiness as well as protect from harmful bacteria or contaminates. If you think you have a problem with cloudy water, contact Clearwater Systems for your free water analysis or request a quote.

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