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What is a Water Filter?

A water filter removes impurities by minimizing contamination of water using a fine physical barrier, a chemical process or a biological process.


Evolution of Water Purifier


What is TDS?

TDS stands for total dissolved solids. It indicates the chemical load present in the water. It is measured either in ppm or mg/L. TDS is directly related to the purity of water and the quality of water purification systems and affects everything that consumes, lives in, or uses water.


TDS Chart


What are RO Filters?

RO Filter contains composite polyamide membrane of 0.0001 Micron pore size to remove almost 100% bacteria and 80-95% of solids present in water. Usually a pump is placed before an RO filter.


What are Gravity Filters?

Gravity Filter means that the water is filtered by normal gravity process, from the higher point to a lower point, without the help of any external force. The water flows from the top compartment to the bottom compartment naturally. Usually all UF and UV filters are of this kind.


How are RO Filters different from Gravity Filters?

In Gravity Filter water is filtered by normal gravity process, whereas RO filter needs a pump to push the water through an RO membrane. Hence RO filters use electricity; usually it's not more than 3 to 4 units per month.


What is Ultra Filtration?

Ultra Filtration is of 0.001 microns which permits the clarification and disinfection of water in a single step. Its membrane barrier acts like a filter for all particles over 10-20 nm in size: pollen, algae, bacteria, viruses, germs and organic molecules.


How are UF Filters different from RO filters?

Ultra Filtration is of 0.001 microns which permits the clarification and disinfection of water in a single step, whereas RO filter uses filters of 0.0001 Microns to remove almost 100% bacteria and 80-95% of solids present in the water. Due to the pore size, a pump is always used to push water through an RO filter.


What is UV Filtration?

Ultraviolet Filtration uses special lamps or bulbs that emit UV light of a particular wavelength, which attacks the genetic core of the microorganism and rearranges the DNA essentially deactivating it. When this happens, it can no longer infect. The process is simple but effective, destroying 99.99 percent of harmful microorganisms without adding chemicals to the water.



How is UV filtration different from other methods?

ATOM Ultraviolet Filtration uses special lamps or bulbs that emit UV light unlike UF and RO filters. One UV light or bulb filters 3000 liters to 6000 liters depending upon the UV light capacity.


Do I need to boil the water coming out of a gravity filter?

There is no need to boil or disinfect the drinking water in any way, which is delivered by Atom Gravity Filter.


How do I know when it is time to replace the filters cartridges?

The sediment filter can be rewashed, as shown in the instruction manual and can be reused, until it tears. The carbon block, needs to be backwashed once in 20-30 days, by the bellow pump, provided with the unit, and as shown in the instruction manual. The UF membrane is good for approximately 1500 liters of water. After that it has to be replaced. It cannot be cleaned. Once the UF membrane nears the end of its life, the water will stop flowing from it. That is the time for replacement. RO membrane needs to be replaced when it can no longer maintain the TDS level. Also when there is no pure water output from the membrane.


Is the treated Atom water safe for drinking for the children and elderly?

It is absolutely safe for drinking for everyone. In fact, it is better, since the water retains the minerals, which are necessary for children and elderly.


What is the warranty on the purifier?

The product as such, is warranted for 1 year against any manufacturing defects. RO/ UF kit is a consumable and needs to be replaced at regular intervals. Warranty has been explained in detail in the instruction manual.


When do water borne diseases erupt?

Water-borne diseases like cholera, gastroenteritis and diarrhoea erupt every year during summer and rainy seasons in India due to poor quality drinking water and sanitation.


What are the dangerous diseases caused by water?

The five most dangerous water-related diseases that occur in India are Cholera, Diarrhoea, Malaria, Typhoid, Filariasis, Viral Hepatitis, Amoebiasis and Giardiasis


Is Water Problem Real?

“More people die from unsafe water than all forms of violence, including war. It affects some 250 Crore people, and it is killing more children than malaria, HIV/AIDS and TB combined.” United Nations Secretary-General Ban Ki-moon.


What is the condition of water available to Indians?

About 70 per cent of India’s water supply is seriously polluted with sewage effluents. India’s water quality available to its citizens ranks the worst at 120th out of 122 nations.


It is reported that groundwater in one-third of India’s 600 districts is not fit for drinking as the concentration of fluoride, iron, salinity and arsenic exceeds the tolerance levels. About 65 million people have been suffering from fluorosis, a crippling disease due to a high amount of fluoride, and five million are suffering from arsenicosis in West Bengal due to high amount of arsenic.


How bad is the water problem in India?

World Bank reports that some 4 Crore Indians are affected by water-borne diseases annually. Around 15 lakh children die due to diarrhea alone, and 73 million working days are lost due to water-borne illnesses each year. Estimates suggest India loses Rs 36,600 crore every year due to water-borne diseases.


Why water causes cancer in India?

WHO estimates that 13.1 million people in India will die of cancer by 2030. It links cancer to increased pesticide usage. These pesticides have found their way into tap water, ground water and food chemicals present in pesticides can suppress the immune system, triggering diseases that can be fatal.


Which are the top five states prone to cancer by water?

The top five states for pesticide use in the country are Maharashtra, Uttar Pradesh, Punjab, Andhra Pradesh(combined) and Haryana.


Is urban water better than rural water?

WHO cites data which show that cancer is on the increase in urban areas


What are the diseases caused by Bacteria and virus in Water?

1. Campylobacteriosis: Infection of gastrointestinal tract

2. Cholera: Infection of the intestine caused by the bacteria Vibrio Cholerae. 50% of people with untreated severe cholera die.

3. Cynobacterial Toxins: Toxins released by some species of Blue-Green Algae

4. Hepatitis: An inflammation of the liver. Hepatitis A & E are transmitted through Water.

5. Leptospirosis: Infection caused by the bacteria Lectospira

6. Trachoma: Infection of the eyes caused by the bacteria Chlamydia trachomatis

7. Typhoid Fever: Infection caused by the bacteria salmonella typhi


What are the diseases caused by the organisms in water?

1. Ascariasis: Infection caused by ascaris lumbricoides, a large roundworm

2. Dengue: Mosquito-borne infection, Dengue Hemorrhagic Fever is potentially lethal

3. Malaria: Parasitic infectious disease transmitted by mosquitoes which breed in water

4. Onchocerciasis: Disease caused by thin parasitic worm that lives up to 14 years in human body: Transmitted by blackfly;

5. Ringworm(tinea): Contagious skin disease caused by fungus

6. Scabies: Contagious skin disease caused by microscopic mites

7. Schistosomiasis: Parasitic infectious disease caused by 3 species of flatworm


What are the diseases caused by chemicals in water?

1. Anemia: infections like malaria are significant contributors in addition to iron deficiency

2. Arsenicosis: Arsenic poisoning from drinking water rich in arsenic

3. Fluorosis: Caused by excess fluoride; long –term ingestion can lead to skeletal problems

4. Lead Poisoning: Excess of exposure to lead through water

5. Methaemoglobinemia: Decreased ability of blood to carry oxygen caused by nitrate in drinking water


What is the Quality of Atom Purifiers?

All the components used in Nutrient RO are internationally certified. For quality and safety like NSF, Water Quality, ISO etc. They all undergo rigorous quality checks before being released in the market. We understand that the purifiers of all brands in the market are prone to worst failures. But we have designed our systems to be durable and trouble free. In fact, that was one of our briefs when we designed our purifiers.