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ZeroB Blogs | A Health Care Blog by ZeroB

  1. What is Water Softening Process?

    Post by : Zerob

    ZeroB AutoSoft Water Softener has robust and reliable 6 Stage fully automatic valve

    1. Softening cycle
    2. Backwash cycle
    3. Brine injection cycle
    4. Slow rinse
    5. Fast rinse
    6. Fill Cycle

    Six Stages of Softening Process

    1. Softening cycle converts hard water to soft water
    2. Backwash cycle cleans the softenizer media completed by removing mud and debris that comes from inlet water during service
    3. In the Brine injection cycle the softenizer will be recharged with common salt
    4. A slow rinse ensure efficient charging of softening media
    5. Fast rinse cycle ensure that the softenizer is cleared of all salts and set for softening once again
    6. Fill cycle fills water in brine water to prepare brine for next recharge

    AutoSoft Recharge Time

    • AS1 - The recharge time is around approx 42mins
    • AS2 - The recharge time is around approx 74Mins

    Water Softener Inside view

    Water Softener Inside view

    AutoSoft Features

    AutoSoft Features

    1. Space Saving Design
      • Compact design
      • The softener vessel and salt tank are in a single cabinet
      • The automatic softener equipment complements well with the existing plumbing and electric setup of the user
      • Automatic Softener Equipment
    2. Assures Complete Safety
      • AutoSoft Home comes with distinctive Purple Resin media
      • The resin media is specifically purple colored to classify it as a genuine food grade resin
      • The ZR NaF resin is a softener resin meant for drinking water application as it does not leach out harmful elements in water
      • ZeroB Purple Soft Food Grade Resin
    3. Unique Display
      • The display screen communicate the status of the softenizer
      • Service process stages are indicated with appropriate icons
      • Limited user keys for easy handling
      • Autosoft Display Screen

    For more information click here

    Continue Reading »

    Post by : Zerob

    Reverse osmosis is an effective, widely accepted and established technology for purification of water and has also become increasingly popular as one of the technologies used in desalination of seawater for human consumption .

    Reverse Osmosis (RO) is an advanced technology to purify water for a wide range of applications, including production of bottled drinking water, production of ultra-clean water, electronics industries, semiconductors, food processing, biotechnology, pharmaceuticals, power generation, seawater desalting, and municipal drinking water (2) It is also used to recycle used water to drinking water on space shuttles and on International Space Stations.

    However, RO is more expensive than conventional treatment techniques and generates concentrate that ultimately requires disposal. Disposal of the concentrate can present serious challenges. In areas where water resources are scarce, there is also a strong desire to get the most product out of the source water used. Therefore, maximization of recovery (the ratio of treated water produced to source water used) has become an important challenge to make RO economically feasible for communities. (5)

    From classified reports, high recovery processes are broadly classified in to three claims which are for industrial RO systems and the other unique one for domestic RO purifiers

    HIGH RECOVERY RO’s – Industrial scenario

    1. CCD (Close circuit desalination )

    In industrial RO systems, recoveries as high as more than 90% can be achieved. Semi batch or close circuit ROs provide high recoveries (4)
    The CCD (Close circuit) RO process for high-permeate-recovery operation, uses single membrane pressure vessel representing multiple modules operating in parallel
    Brine is recirculated without depressurization. When a desired recovery percentage is reached, brine is throttled out of the system. Brine rejection is executed without stopping the high pressure pump or the production of permeate. The process then returns to closed-loop operation, during which there is no brine reject stream. The resulting average membrane feed pressure in the CCD process is much lower than the feed pressure of typical RO or NF
    Continuous brine recirculation maintains a maximum salt concentration in the membrane array, resulting in higher membrane feed pressure requirements, higher salt passage and permeate salinity, and higher risk of precipitation of sparingly soluble salts compared to CCD processes in which brine is completely purged regularly.

    RO Close Circuit Desalination

    2. UF pretreatment

    UF system provides an adequate flow of high-quality permeate to the RO unit by removal of turbidity and particulate matter. UF enhances and ensures the performance of the RO system, resulting in optimal flux, high salt rejection, and high recovery. (6)

    3. HERO

    High Efficiency Reverse Osmosis (HERO) is a reverse osmosis technology specially designed to treat high silica, it can handle three to seven times higher silica levels than traditional RO systems (up to 2,000 ppm in concentrate stream)
    It continuously operates above 90% water recovery – unprecedented for a typical reverse osmosis system – with little or no bio-fouling and organic fouling compared to a conventional RO. This also offers significant operational benefits. The process has an excellent track record of treatment of cooling tower blow down where conventional reverse osmosis (RO) is generally considered to be a less effective technology.
    In some instances, HERO™ may be used to replace or supplement an evaporation process as a cost-effective method of achieving zero liquid discharge (ZLD).

    Basic process consists of three steps: Hardness and suspended solids removal, Carbon dioxide removal, and RO treatment at elevated pH.

    RO Treatment


    The high recovery process that maximizes product yield from a single membrane
    Background Reverse osmosis technology converts salty water to pure, good tasting water.
    When there is no option for the customer and he has to be completely dependent on bore well- hard water, he realizes the importance of RO, since it removes TDS more than 90% and converts salty , bad tasting water to sweet palatable water
    One may feel RO is a complete solution for drinking water purification , but may get disappointed when he knows the fact that while delivering pure water RO rejects or wastes lot of water .
    Demand for water is high and global resources are limited, yet current RO systems waste both water and energy(1), a major drawback of this technology is that, it wastes lot of water while delivering pure water.
    Often users of RO purifier collect this reject water and use it for flushing, in this era of water conservation , wasting water is highly questionable

    Drinking water purifiers based on RO technology recovers good water to the extents of 20-25% remaining 80-85% water constituting contaminants and excessive salts is rejected /wasted.
    Water being precious, this water wastage is always a matter of great concern.
    The higher the recovery % means that you are sending less water to the drain as concentrate and saving more permeate water.

    Let us understand what is percentage recovery of RO membrane.
    Percent Recovery is the amount of water that is being 'recovered' as good permeate water compared to the wasted water. (3)
    In case, the process design choose and operate this membrane at higher recovery more than 20%,, the membrane life is compromised consequently, due to depositions of hardness causing elements like calcium, magnesium and other salts on membrane surfaces, eventually pure water flow through membrane reduces.

    RO Elements Cost Factor

    Single RO membrane generally gives 20-25% recoveries
    Recoveries as high as 80-90% are achievable using multiple RO membranes. However the challenge is to obtain high recovery from a single RO element. Multiple RO elements being a cost factor.

    How can we reduce this water wastage in RO purifiers?

    The present invention has enabled the recovery as high as 70-80% with single RO membrane thereby reduce water wastage as compared to conventional RO purifiers. (patent rights enforced )

    High recovery is achieved by

    a. Preventing excessive salt deposition on membrane.
    b. Preventing fouling of membranes due to microorganisms in water.

    The proprietary, ‘Water Saver Cartridge’ , WSC which is the key element of RO water purifier. It releases elements that prevent salt deposition on the membrane and thereby enhance RO membrane life.

    The WCS also releases frequently small amount of disinfectant electrolytically which prevents biofouling of RO membranes and keeps the membrane sanitized.

    Unlike conventional reverse osmosis purification system ,this system does not use any oxidizing chemicals for sanitization externally. WSC contains an in-built sanitizing system which avoids the use of oxidizing chemicals like chlorine, hydrogen peroxide, peracetic acid. This unique Water saver cartridge therefore not only prevents the membrane scaling but also protects the membrane surface from biofouling due to microorganisms in raw water . Thus High recovery RO purifier with 70-80% pure water recovery, with a feature of biofouling prevention is a revolution in the field of domestic reverse osmosis purifiers.

    This novel concept is now commercialized , has evolved as Zero-B Eco-RO in domestic and institutional RO water purifiers

    Domestic Reverse Osmosis Purifiers


    1. Author :Richard Stover Executive Vice President – Desalitech, Inc. – USA
    2. Hydranautics
    3. 2012-2014 Puretec Industrial Water
    4. The International Desalination Association World Congress on Desalination and Water Reuse 2013 / Tianjin, Richard Stover Executive Vice President – Desalitech, Inc. – USA
    5. Desalination and Water Purification Research and Development Program Report No. 119 Reverse Osmosis Recovery Maximization Dr. Graham Juby Carollo Engineers Fountain Valley, California
    6. Case History, Dow TM Ultrafiltration
    Continue Reading »
  3. How healthy is Bottled water?

    Post by : Zerob

    Pure Water in Bottle

    Is bottled water healthy?
    How healthy is the water inside a bottle?
    Is the taste of water affected by bottled water?
    Are bottled waters overpriced?
    Are bottled water pure than tap water?

    Though bottled water producers will make you believe that the water they provide in bottles are of the purest form with claims and pictures of water being sourced from springs and pristine sources but in reality it is no purer than ordinary tap water.
    The purity talk of Bottled water is more hype than reality.
    The taste and quality of bottled water can range from very good to very bad depending on the brand, and that is a serious problem leave aside the perils of plastic leach that releases harmful chemicals and hormone disruptors into water.

    Over and above that bottled waters are overpriced, most times unsanitary and are a major cause of environmental pollution.

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  4. Zero B Kitchen Mate elegant water filter by Ion Exchange (India) Ltd

    Post by : zerob

    Kitchenmate Water Purifier

    What is Zero B Kitchen mate?
    How is Zero B different than others?
    What are the main benefits of Kitchenmate?
    What is the most important ingredient in cooking any dish?
    Where to do the installation of water filter?

    In a modern home the kitchen is no longer out of bounds for guests. Hence apart being functional with all the modern and effort saving appliances, esthetics is playing an important role in designing and building the kitchen. This has led to a revolution not only in the efficiency of kitchen appliances but also in the overall look and design elements. Even as recent as 15 years ago the fridge used to come only in boring white. A sizable budget for a modular kitchen is now part of doing the interiors of a house.

    Modular Kitchen

    The Kitchen layout is an important ‘ingredient’ of your home décor. Creating stylish, streamlined storage is highly sought after, and it’s important to create a home for every imaginable kitchen item like large spaces for pulses and cereals, shelves for snacks, hangers for pots and pans etc. Clever internal organizers within cupboards add that extra special touch and makes your kitchen run smoothly too. Specially crafted spaces are carved for the ever increasing appliances. The recent past has given emphasis on lighting and color too. A little zest of colour will really bring your space to life.

    Kitchen Layout

    The most important ingredient in cooking any dish is water. Safe water has always been at premium. Water purifiers are a must in list of gadgets in the kitchen. However lack of design values in most water purifiers’ has made it a daunting task for interior designers to place them. They either have to create a place under the sink to hide them or camouflage them with some kind of covering. Not only is this inconvenient and expensive but also creates installation and servicing challenges.

    Most kitchens do not make space for water purifiers. They have to be close to the sink. However, do consider an under-counter water purifier. It fits in seamlessly with the rest of your cabinets, frees up valuable kitchen space and makes sense ergonomically. Installation of an under sink water purifier require minimal plumbing techniques and are easy to maintain.

    Sink Water Purifier

    Ion Exchange has recently introduced the Zero B Kitchen Mate with superior design values to blend seamlessly with the design of a modern kitchen. This modern water purifier with 7 stage RO water purification process that converts salty water to pure and safe drinking water. It has a acrylic body which is specifically meant for designer kitchens where it can be placed under or above the sink.

    What are the main benefits of Kitchenmate?

    The Zero B Kitchen Mate filtration system turns tap water into clean, healthy, refreshing pure water. The elegant acrylic body is perfect for use in homes, with a high-capacity cartridge that disinfects the water and makes it crisp to taste. Other noteworthy features of Zero B Kitchen Mate are its Auto flush timer that periodically flushes the membrane to remove the salts deposited on the membrane. It also contains Hydropneumatic tank -storage tank of 8 liters capacity that provides pressurized water at a very high flow rate from the faucet. Zero B Kitchenmate RO process nullifies the requirement for UV, UF of any other treatment for drinking process.

    Zero B Kitchen Mate Filtration System

    Apart from India’s first technology in water purifier ESS that will protect tank water 24 x 7 by preventing bacteria formation, Zero B Kitchen mate is loaded with more features for customer benefits such as Intelligent Auto Fill which will ensure that the RO purifier never runs out of pure & safe drinking water. Kitchen Mate has been equipped with Double Safety which provides additional safety by offering 100% germicidal protection. TLC value, ensures pump cut off whenever the tanks fill up, Pressure booster pump provides constant water pressure to the system. Dry Run Protection avoids unnecessary wastage of power and shuts off when there is no water. Kitchen Mate comes with Hydropneumatic Tank, with storage capacity of 8 ltrs, provides pressurized water at a very high flow rate from the faucet. Most importantly, Zero B Kitchenmate RO process nullifies the requirement for UV, UF of any other treatment for drinking process.

    Pure & Safe Drinking Water

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  5. ‘Green Touch’ to make Hard Water as soft as the morning Dew

    Post by : zerob

    What is Zero B Softener?
    Does the Zero B Softener work for hard water?
    Does hard water increase gas consumption?
    Doe hard water lead to blockages?
    What health effects does hard water have?

    Hard water can have adverse affects in various ways. Not only does it take away the taste of fresh fruits and vegetables when they are washed & cooked, hard water also reduce the lifespan of expensive household appliances like geysers, washing machines, dishwashers etc.

    Does hard water increase gas consumption?Does hard water lead to blockages?
    Hard water increases the consumption of gas, increasing utility bills manifold. It leads too blockages in the piping system, thereby reducing water pressure because of corrosion and rust accumulation and increased bacteria in the drinking water. Life expectancy of cloths is reduced when washed with hard water. It also dulls surfaces in bathrooms and kitchens, leading to higher cleaning costs which require aggressive cleaning chemicals and increased labor. Hard water also has adverse effects on health and could cause skin damage and hair loss.

    Hard Water

    “Hard” water has high levels of dissolved calcium and/ or magnesium minerals. These minerals may occur in ground water passing through limestone, or other rocks with a calcium mineral content. As water evaporates, these minerals harden themselves as mineral deposits, also known as scale. The level of hardness is related to the amount of dissolved mineral in the water. There are proven solutions soften hardwater. It can be corrected by the use of a water softener/conditioner. The water passes through a tank containing resin beads holding “soft” sodium ions. The “hard” calcium and magnesium ions are then exchanged for sodium ions, thus softening the water.

    The water that enters the house is filtered through the zeolite minerals. A reaction occurs during the treatment process which replaces the magnesium and calcium ions to be replaced by sodium. The minerals containing zeolite require change on a periodic basis. This system includes a large tank where the bags of softener salts are regularly added. Chemical method is the most inexpensive way of treating hard water. Two chemicals used in the water treatment are Sal soda and Calgon.

    Ion Exchange a global leader in providing safe water has one of the best solutions to treat hard water. The Zero B series of Water Softeners incorporate the proven technique of counter flow regeneration which has been pioneered by Ion Exchange. This technique is ideally suited to treat water with high hardness. The flow of water and the flow of brine (Salt Solution), which is used for regeneration, are opposite to each other during operation.

    Hard Water Damage Hair

    Zero B New Generation Softeners Series are compact, manually & automatically operated units that are easily and quickly installed. Zero B Softenizer Unit consists of a tank containing Ion Exchange Resin Media, which removes hardness from water to acceptable level.

    The hard water passes through this sodium-rich ION Exchange Resin. The media exchanges minerals that cause hardness like calcium (CA) and magnesium (Mg) for sodium. This results in the softness of water that comes out from the outlet. After continuous usage, the resins get saturated with minerals and have to be replaced using Zero B Palletized Salt.

    The Zero B New Generation Softeners Series can be used for water treatment in housing societies, hotels, shopping malls, hospitals and corporate parks.

    • Adverse effects of Hard Water on:
      • Taste of fresh fruits & vegetables
      • Lifespan of expensive household appliances like
        • geysers, washing machines, dishwashers etc.
      • Increased utility bills
      • Corrosion & rust accumulation in piping system
      • Increased bacteria drinking water
      • Cloths washed
      • Dulls bathrooms &kitchens surfaces:
        • higher costs of cleaning chemicals & increased labor.
      • Effects on health
        • Skin Problems & Hair Loss

    Enquire about water softners

    Water Softener

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  6. Stay Hydrated this Winter

    Post by : zerob

    Stay Hydrated this Winter 

    What is Zero B Icy Hot?How does Zero B Icy Hot function?Does Zero B Icy Hot help to keep you hydrated?
    In winter as the temperature begins to drop, the air starts becoming drier. Due to this our bodies too show signs of de-hydration with roughness of the skin, dry cough, chapped lips, etc. Our intake of water during winter also falls appreciaably as we dont experience the kind of thirst that we do in summer or other seasons of the year.

    70% of our body is made up of water and thus require a good amount of hydration anytime, any season. But during winters as we tend to get less thirsty we tend to feed our body with less water than during other seasons.

    What happens if we don’t have enough fluids?
    When we keep our bodies well hydrated, our appetites are more regulated. But, in case we are not drinking enough fluids, our metabolic functions get affected resulting in our inability to assimilate fat. This in turn prevents us from recognizing thirst, believing it to be hunger and leading us to eat more than its needed.

    Which are some of the food with high amounts of water?
    The amount of water one should drink varies from person to person. Factors such as our weight, activity level, gender and age needs to be taken into account before arriving at the ideal water intake level.

    For people leaading a sedentary life 6-8 glasses per day is good enugh but if someone is indulging in physical activities one needs to drink 8-12 glasses of water per day.

    At times it can be difficult for us to keep up with the water intake levels in winter weather as we really dont feel the urge to drink. In such cases water-based foods – can act as a natural source of water while also providing rich vitamins and minerals. Some of these food include watermelons, apples, grapes and cucumber are a few fruits which can help up the water levels in our body.

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  7. Leaving on a vacation?.. Here a few precautions to be taken if you have a RO Purifier at home

    Post by : Zerob

    What precautions to take for a RO purifier while on vacation?
    What precautions to take for a RO purifier while away from home?
    What to do after you come back from a vacation?
    What to do if the pre filter are dirty?
    What steps to take if the filter is reusable?

    If your RO Purifier is not exposed to water at freezing point, you can just turn off the water supply to the purifier and drain all water from the tank before you leave.

    When you come back from vacation, simply turn on the water supply and drain off the first tank-full of water. Once this is done, water will be fresh and ready for consumption from the 2nd fill onwards

    However in case you experience freezing temperature at your home during these times then you should turn off the water supply to the system, empty the storage tank, and remove the pre-filters as well.

    In such a case you need to drain all water from all the pre-filter housings. If the pre-filters are dirty, discard filters and use new filters when the RO purifier is put back into operation.

    If filters are still reusable, put them in zip bags and store them in your refrigerator’s compartment which is normally meant to store vegetables but never inside the freezer

    At last remove the RO membrane from its housing and store membrane filter in the sane compartment of your refrigerator within a zip bag. Care needs to be taken to drain out all water out from the membrane housing and screw all housings back onto the water purifier.

    Once back home, the pre-filters need to be put back to their designated housings and care should be taken to flush out the first tank of water before the water from the RO Purifier becomes ready and safe for consumption

    Continue Reading »
  8. Is the water you drink at home safe enough for your children?

    Post by : Zerob

    Safe Drinking Water

    Is the water at your home safe?
    Is drinking water safe for children?
    How safe is drinking water for kids?
    How are gastrointestinal diseases caused?
    How to ensure water is safe for drinking?

    For most people living in metropolitan areas in India, the primary source of drinking water is the Tanker Water. The tankers are primarily fed with water from private wells. These private wells are not at all regulated and hence the safety of this water may be compromised due to some of the following reasons:

    – Where the well is located
    – How well it is being maintained
    – Quality of the aquifer supplying the well
    – Environmental conditions in the close proximity of the well

    Hence the well water needs to be treated before being completely safe and fit for consumption.

    Apart from contamination of water at the source, the tap water can also get contaminated due to leakages in the pipeline.

    The lead used in manuufacturing of these pipes contaminates the water passing through it.

    How this contaminated water effects you and your children’s health depends upon the type and concenntration of contaminants present in water.

    Here are some of the contaminants that are generally found in tap and well water and their affect on the children:

    1. Cryptosporidium, a pathogen that can at times cause fatal gastrointestinal disease.

    2. Nitrates can contaminate water and pose a great threat to infants and small children. The nitrates get converted into nitrites that prevent blood from transporting oxygen. This affects the infants and small chldren more as older children develops an enzyme in their system that helps restore blood’s ability to carry oxygen.

    3. Thirdly the presence of Lead in water can cause both physical and mental developmental problems in infants and children. Adults who have been drinking lead-tainted water for a number of years can experience kidney problems and high blood pressure.

    So we need to ensure that the water that is being drank at home is free from these contaminants.

    Now the question is how do we ensure this?

    How to ensure water is safe for drinking? Now the question is how do we ensure this?
    Boiling of water can only take care of some types of pathogens present in water but the water will still be unsafe for drinking as the contaminants like lead, nitrates, and pesticides do not get eliminated in the course of boiling. On the contrary boiling reduces the volume of water and increases the concentration of those contaminants rendering the water more unsafe.

    So the only effective way of making the water free from contaminats is by using an advanced water purifier – A water purifier that can remove physical, chemical, biological impurities and also the salts of heavy metals and make it safe and fit for your family.

    Learn more about the Advanced RO Purifiers that are capable of removing these contaminants.

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  9. Why RO Purifiers are considered better than UF Purifiers?

    Post by : Zerob

    Why are RO purifiers better than UF?
    What happens to the impurities in the RO purification?
    Are RO Purifiers better than UF purifiers?
    How does RO process work?
    How does a UF purifier work?

    To understand how RO Purifiers score over UF Purifiers we need to delve slightly into the purification process of both these purifiers.

    Lets start with the RO Purifiers first.

    In RO Purifiers purification happens following a process of Reverse Osmosis. To understand the process of Reverse Osmosis, let us take a closer look at the Osmosis process. Osmosis is a process in which water molecules flow across a semi permeable membrane – from a region of lower solute strength to a region of higher solute strength. The solute strength in this case refers to the TDS (Total Dissolved & Suspended Impurities) level of water. The water thus in an Osmosis process moves from across the membrane from a region of lower TDS level to the region of higher TDS level

    In the RO process the Opposite happens. Hence the name Reverse Osmosis. In this process water is forced to move from a region of higher solute concentration to the region of lower solute concentration. This is achieved by pumping water at a higher pressure inside the RO Chamber causing water molecules to be flow through the membrane to the other side leaving behind dissolved solids and other impurities. The impurities that are left behind are drained out through another outlet. The water that passes through the semi permeable membrane in the RO Purifier has a much lesser concentration of TDS than the original inlet water.

    So, when the water has high TDS and is Hard, RO Purification is the most effective

    Since the water needs to be pumped at a high pressure to help it pass across the membrane, RO Purifiers will need electricity to perform this task. Hence the RO Purifiers cannot operate without electricity

    In an UF or Ultra filtration Purifier, a semi permeable membrane like in case of RO Purifier is used but the holes in the UF Purifier are much larger compared to the holes in the RO purifier and as a result water passes through the UF Filter using the force gravity and without any additional applied pressure. Thus UF Filters work without electricity and should be considered for use where the TDS level of water is low and the water is not Hard

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  10. Does an RO Purifier needs maintenance?

    Post by : Zerob

    Do RO purifier need maintenance?
    How often does RO purifier need maintenance?
    How periodic does a RO purifier need to be maintained?
    What steps to take to make the purification of water optimal?
    What to do after the post filter stage?

    For a Reverse Osmosis Water Purifier to function optimally, it needs to be periodically maintained.
    The frequency of maintenance depends on the extent of use of the system. Though whether or not a purifier is used heavily or sparsely, one needs to get it serviced at least once in a year’s period to ensure the filtration is happening right and that the scaling of the membrane is not much.

    There are a few important steps we need to take unless and until you are using an advanced RO Water Purifier like the ECO RO Water Purifier

    To make the purification system perform to the peak of its ability, the following needs to be routinely followed:

    Regular Filter Changes

    This will depend upon the upon how many stages of purification is being used in your RO Purifier.

    Sediment Filter
    The sediment filter which helps in straining ot the dirt and the silt needs to be changed at least once a year to prevent clogging of the membrane.

    Carbon Filter
    The carbon filter that removes chlorine and other harmful chemical contaminants affect the water’s taste and odor and should be changed once a year.

    RO Membrane
    RO membranes do not need replacement very often. Under normal circumstanes then can be safely changed once in 3 years but in case the overall maintenane of the system is not done and the RO Membrance gets affected due to this then this may need a change as well.

    Post Filter
    The Post filter in the final stage of Purification in an RO Purifier and it helps in removing any residual odor and foul taste in water to ensure you get completely pure and fresh drinking water.

    If the RO Purifiers are not maintained from time to time as explained above the RO Membrance which is the heart of the Purifier may get affected leading to inferior quality of output water and also a reduced life span of the Purifier

    Know more about the different RO Purifiers

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