UF water purifiers are fast becoming preferred choices in Indian homes. If you’re searching for good water purifiers in India, you must have come across this term many a time. We all seek to drink clean water; however, technical terms related to water purification can confuse us. RO, UV, TDS… What do they stand for? That’s where we come in.
Here we will give you detailed information on the benefits and drawbacks of UF water purifier systems. You can find out which one is perfect for providing good-quality, clean drinking water to your family.
Related: RO vs UV vs UF Water Purifiers: Which One is Best for Indian Homes?
What is a UF Water Purifier, and How Does It Work?
So, what exactly is this water filter? A UF water filter uses ultrafiltration technology. It acts as a sieve. Visualize a hollow fiber membrane with small pores. These pores are extremely small and measure around 0.01 microns.
Water is forced to flow through these membranes. The UF membrane removes suspended particles, dust and large contaminants. However, it allows clear water and dissolved minerals to pass through. Unlike RO water purifiers, they do not remove dissolved salts. It is based on the physical filtration method. You can find a lot of UF technology-based water purifiers that use gravity. They provide good-quality drinking water and can be used in areas where an electric water purifier is not required.
Top 7 Advantages of UF Water Purifiers (Pros)
Why do people prefer to have UF water purification systems? Here are the advantages of having a good-quality UF water purification system.
1. Retains Essential Minerals
This is a major advantage of having UF water purifiers. RO water filters tend to remove important minerals from the water. But UF water filters retain essential minerals such as calcium and magnesium. You can enjoy healthy drinking water with good taste. The natural taste of the water is preserved, and if you want to have mineral-rich drinking water, then a UF water purifier is the best option.
Related: 5 Best Aquaguard Water Purifiers in India: Tested and Reviewed
2. No need of Electricity
Are you concerned about power cut situations? Then go for a non-electric water filter. UF membrane filtration works based on the natural water pressure. It doesn’t require any pump or electricity. Thus, it can be considered the best non-electric water purifier. We can find such water filters in rural areas or places experiencing unstable power supply. You can get safe and clean drinking water anytime.
3. Zero Water Waste
Many modern-day water purifiers lead to excessive water waste. Especially RO water purifiers that waste 2-3 liters of water to provide 1 liter of clean drinking water. A UF water filter has zero water waste. Each and every drop of water fed into the purifier is utilized. It is an eco-friendly water purifier. If you are concerned about water conservation, then this is a feature worth considering.
Related: How Much Water Does an RO Purifier Waste?
4. Effective Against Bacteria and Cysts
Yes! The membrane pores are smaller than those of bacteria and cysts. It efficiently removes various types of cysts and deadly bacteria such as E. coli and cholera. Good UF water purification systems help keep us away from waterborne diseases. They provide effective protection against waterborne disease-causing microbes.
Related: Is RO Water Good for Health: Guide on Benefits and Risks
5. Chemical-Free Filtration
Who wants to drink water containing chemicals? Few of the water purifiers use chlorine or iodine. Not all UF water filters. The UF water filtration system provides chemical-free water filtration. Based on the physical barrier principle, it provides clean and clear drinking water. No unpleasant odor of chemicals, no harmful byproducts. Just pure and clean drinking water.
6. Low Maintenance Cost
The price of the UF membrane is reasonable. Compared to RO and UV water purifier maintenance costs, the UF water purifier is economical. You do not require expensive pumps or complicated filters. Maintenance costs are low. You usually have to clean or replace the cartridge every year. They are affordable water purifiers in the long run.
Related: UV vs. RO Water Purifier: What Is the Difference?
7. Works with Low Water Pressure
Do you have low water pressure? RO water purifiers struggle with this issue. They require strong water pressure to force water through the thick semi-permeable membrane. It functions smoothly with low tap water pressure. It can also work with gravity-based water purifiers, where water simply flows downwards due to gravity. It is very versatile.
Related: 14 Best Water Purifiers in India | Ultimate Buying Guide and Reviews
Top 5 Disadvantages of UF Water Purifiers (Cons)
Nothing is perfect. There are several limitations of UF water purifiers that one should know before buying one.
1. Cannot Remove Dissolved Salts (TDS)
The biggest disadvantage of UF water purifiers is that they cannot remove dissolved salts. The UF membrane is incapable of removing dissolved salts (TDS). If your water is salty or hard, using a UF filter will provide no solution. You need an RO system to bring down the TDS level. For hard water areas with high TDS content, UF filters are useless.
2. Ineffective Against Viruses
Bacteria are large; viruses are small. Although UF water purifiers can remove bacteria and cysts from water, they cannot guarantee complete removal of viruses. Certain viruses are too small to be filtered out by UF water purifiers. If your water source contains viruses, you may need to go in for a UV water purifier, as it effectively destroys viruses. Thus, for complete protection against viruses, UF water purifiers alone may not be sufficient.
3. Not suitable for High TDS Water
As we have discussed earlier, it doesn’t work well with saltwater. If you are using borewell water with a high TDS level, then go for RO water purifiers and not UF. Even after using UF water purifiers, the water will taste salty. The water may contain harmful elements such as arsenic or lead, which can’t be removed by UF water purifiers. To deal with hard water problems, we need an RO water purifier. UF vs RO? When it comes to removing dissolved contaminants, RO water purifiers stand a better chance.
Related: RO Water Purifier – Pros and Cons: A Comprehensive Guide
4. Prone to Membrane Clogging
As it filters out all physical impurities, the membrane itself gets dirty quickly. In case of a very turbid water supply, there is a possibility of the membrane getting clogged. You need to install a pre-filter to clean the water or clean the membrane regularly. If the membrane is not maintained properly, the life span of the filter reduces. Regularly check and keep the membrane clean to avoid clogged membranes.
5. Does Not Remove Bad Taste or Odor
If your water smells funny, neither UF can deal with it. Water with unpleasant tastes or odors is not removed by ultra filters. Volatile organic compounds (VOCs) can pass through them. If you want to improve the taste and smell of your water, you will require an activated carbon filter in addition to an ultra filter.
UF vs. RO vs. UV: Which One Is Best for You?
UF (Ultrafiltration): Suits low TDS, cloudy waters. No need for electricity. No water wastage. Retains essential minerals.
UV (Ultraviolet): Effective in eliminating bacteria and viruses. Requires electricity. Can’t eliminate dust particles or dissolved salts. Does not alter the taste of water.
RO (Reverse Osmosis): Suitable for high TDS waters. Removes impurities such as salts, heavy metals, and lead. Also removes bacteria and viruses. However, it consumes a significant amount of water and requires electricity. It also removes important mineral nutrients (unless remineralized).
Which one to choose?
- If you have municipal or tap water with low TDS, opt for UF.
- If you have low TDS water but are concerned about bacterial and viral infections, go for UV.
- If you have a borewell or water with high salt content, choose RO. Many prefer to purchase a combination of RO + UV + UF for complete peace of mind.
Related: TDS Controller in Water Purifier: A Complete Guide to Safe Drinking Water
Who Should Buy a UF Water Purifier?
A UF water purifier is ideal for you if:
- You get a municipal corporation water supply.
- Your water has a TDS level of less than 500 ppm.
- You experience frequent power cuts.
- You’re looking for a reasonably priced water purifier requiring minimal maintenance.
- You do not want to waste any water.
If any of these conditions apply to you, then consider buying one! We have a great range of gravity-based UF water purifiers that are suitable for our homes.
Related: TDS Value for Drinking Water: Best Range and Recommendations
Maintenance Tips for Long-Lasting Performance
Wishing to keep your filter active for a long time? Follow these simple tips:
Clean the Sediment Filter: If your UF water filter has a pre-filter, keep it clean regularly. This helps in preventing big particles of dust from entering the membrane.
Check for Clogging: If the water flow is slowing down, it could be due to clogging of the UF membrane. Follow the instructions mentioned in the user manual to clean it.
Replace Cartridges: Do not keep a lookout for the water to stop flowing. Replace your UF water filter cartridges after 12 months of use or as advised.
Servicing: Have your water purifier serviced by professionals once a year to rule out any internal leaks or defects.
Conclusions
Choosing the right water purification is important for maintaining good health. A UF water purifier is a great appliance for meeting specific requirements. Offering chemical-free purification, zero water wastage, and working independently of any power source, this equipment maintains essential minerals.
However, they are unable to deal with dissolved salts and viruses efficiently. If your water has high TDS levels, consider investing in RO and UV water purifiers. But if you live in a city with access to a treated water supply, a basic UF membrane-based water filter is an affordable and efficient option.
Frequently Asked Questions (FAQs)
Yes, a UF water filter is capable of effectively removing bacteria and cysts from the water.
No, the UF water filter does not have the capacity to reduce TDS levels. It cannot remove dissolved salts or heavy metals.
It depends on what you need. UF filters out dirt and bacteria. UV technology is used to kill bacteria and viruses. If you live in an area with a muddy water supply, an UF filter would be suitable. For germ-free clear water, UV is better.
Yes, provided that the source water contains low TDS levels. However, if the water is contaminated with high levels of chemicals or salts, relying solely on an UF filter may not guarantee safe drinking water.
No, one of the advantages of a UF water purifier is that it is a non-electric water filter.