In RO water purifier pushes the water through the semi permeable RO membrane using pressure of water. DUring this process impurities and dissolved solids leave behind the RO membrane. RO water purifier effective to convert hard water which contain high level of TDS to sweet, soft water. But RO not much effective on microorganisms which cause water borne diseases.
UV water purifier uses UV rays. Water passes through the UV light source tube and due UV rays action germs and microorganisms present in water are deactivated.Uv is much more effective on contaminants such as bacteria and viruses but not that much effective to remove TDS. Try our water purifier selector to choose right water purifier by answering simple questions without reading any buying guide.
Suitable forUnder ground water
Suitable forLake, river, municipal supply water
|Microorganisms||RO water purifier blocks and removes bacteria and viruses from purified water. Flush out microorganisms bodies.||UV water purifier kills bacteria and viruses bodies from purified water but microorganisms bodies remained in purified water only.|
|Waste water||RO water purifier produces lot of waste water.||UV does not produce any waste water. Zero percent waste water|
|Dissolved solids||RO water purifier removes dissolved solids and TDS.||UV water purifier does not remove dissolved solids|
|Time to purify||RO water purifier takes much more time to purify water||UV water purifier makes much less time to purify water|
|Water taste||RO water purifier alter water taste||UV water purifier does not alter water taste|
|Storage tank||Most of the RO water purifiers have storage tank||Most of the UV water purifiers don’t have storage tank|
|Maintenance, total cost||RO water purifier can cost double as much to a UV water purifier.||UV water purifier is inexpensive|
|Work with muddy water||RO water purifier requires pre-filtration such as sediment filter to work with dirty, muddy water||UV water purifier also requires sediment filter.|
|Electricity||RO water purifier requires electricity to work||UV water purifier also requires electricity to work|
Please read our article best RO water purifiers and best UV water purifiers to know famous RO and UV water purifiers. Please check our articles on UV water purification technologies UV advantages and disadvantages and RO advantages and disadvantages