Updated: December 21, 2020

RO VS UV VS UF VS TDS December 2021

Written by Sumit Pandey
RO VS UV VS UF VS TDS December 2021

Water purifiers shield your family from waterborne sicknesses, and it is crucial that you pick the correct one.

There are a few water sanitization technology accessible in the market. Understanding their capacities and specialized terms can be very confounding. This water purifier purchasing guide gives you point by point examinations between numerous water cleansing advances for your benefit.

RO Filter

RO technology stands for reverse osmosis process. 

An RO filter comes furnished with innovation to such an extent that when you put water in it, it promptly builds the water pressure through a siphon motor and afterward goes that water through the real RO film before giving out the pure water through the outlet. 

This RO film is semi-porous in nature and enables just clean water to channel through. Along these lines, the layer holds every one of the debasements, for example, sand, dust, microbes, infection and even broke up solids.


  • RO filters purify water completely
  • It is perfect for removing salt from groundwater and good for mining area


  • Dirt water residue is a lot so pure and dirty water ratio of this filter is 1:3 means if you put 3 liters of impure water init you will get only 1 liter of pure water
  • Consumes great power

UF Filter

UF stands for ultrafiltration

In a UF filter, the water is gone through a layer comprising of tiny sifting openings that keep down the earth and mud in the water alongside different microbes, infection, and other destructive small scale living beings. The water is totally sanitized of any sickness causing substances and is totally alright for drinking.

This UF channel demonstrates to be very powerful in urban regions where even faucet water is commonly perfect for soil and salts yet may have infection and microbes


  • It runs without electricity
  • The maintenance cost of this filter is less as compared to RO


  • It is not capable to filter the dissolved salt of groundwater


TDS stands for total dissolved salt

Total Dissolved Salts are those normally happening salts in groundwater that are multiple microns in size. These salts, for the most part, get scattered in the generally impure groundwater due to over the top utilization of synthetic compounds as pesticides, bug sprays and even mechanical waste which may permeate down into the ground.

Obviously, these hurtful synthetic compounds make the water sullied and may antagonistically influence the soundness of an individual whenever taken in unreasonable amounts over a drawn-out period.

As per WHO's reviews, water with 150-300 mg/L of TDS is viewed as safe for drinking. 300 – 500 mg/L is likewise considered as a reasonable amount and this water quality is additionally consumable.

Be that as it may, water with 600-900 mg/L of TDS is considered of very low quality and isn't prescribed for drinking. In the event that the water has a TDS over 900 mg/L, it ought to be dismissed through and through and not in any case considered for filtration.


The RO (Reverse Osmosis) process positions high in every single significant part of water cleaning. In any case, hints of hurtful contaminants like germs, microorganisms and microscopic organisms can sneak through its channel and stay inside. While the UV (bright) refinement framework will be unable to evacuate unmistakable soil and unsafe metals, its quality lies in dispensing with microscopic organisms and microorganisms from the water. An RO purifier that accompanies a mineral cartridge can likewise add key minerals to the water.


Normal RO water purifiers squander up to 80% of water during the purging procedure, contingent upon the power and level of polluting influences. Advances like UV (Ultra Violet), UF (Ultra Filtration), and MF (Micro Filtration) frameworks balance that out by taking out water wastage and don't require a lot of upkeep as RO channels. Nonetheless, the UV, UF and MF frameworks are not fit for dispensing with Total Dissolved Solids (TDS), or substantial metal polluting influences like lead and arsenic from the water.

Is a combination of all filters works well?

In case you're searching for a refinement framework that gives protected and clean drinking water, we prompt utilizing a progressed multi-innovation filtration framework. This framework includes a mix of RO+UV or RO+MF for the best water purifier.

This table offers you the key features of the water filter technology

CapacityRO FilterUV FilterUF FilterMF
Electricity RequiredYesYesNoNo
Removes Bacteria/VirusYesYesYesOnly removes Bacteria
Removes Metals and dissolved the saltYesNoNoNo
Filters visible impuritiesYesNoYesYes
Removes TDS or Not90 %0 %0 %0 %
Water Wastage or NotYesNoNoNo


Are this article is helpful to guide you for explaining about RO, UV, UF, and TDS technology you can share your comments and suggestions to us.

Written by Sumit Pandey

My name is Sumit Kumar Pandey and I’m a content writer and blogger who specializes in writing about technology, web design, and online marketing.

After working as a research scholar in the engineering field for many years, I’m now a full-time content writer, helping people get more exposure and generate more leads for their businesses.

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