Which RO is best?

Which RO is best?

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Deal Subedar
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I wanna buy R.O
Please tell me which is best RO under 10K??

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Dr strange 2016 v2  new logo  by drdarkdoom d9z2e5v
Deal Cadet
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All are the same.If u buy for 3000 or for 20000,all does the same work.
Just they makes things fancy and get celebs to sell them for more money.

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Deal Subedar
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@Dr.STRANGE wrote:

All are the same.If u buy for 3000 or for 20000,all does the same work.
Just they makes things fancy and get celebs to sell them for more money.


r u using,what parts needs to be relaced & after how much time

Dr strange 2016 v2  new logo  by drdarkdoom d9z2e5v
Deal Cadet
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@sukant1989 wrote:

@Dr.STRANGE wrote:

All are the same.If u buy for 3000 or for 20000,all does the same work.
Just they makes things fancy and get celebs to sell them for more money.


r u using,what parts needs to be relaced & after how much time

Only the filters need to be changed depending on how it becomes after a year or two.
Ask a local ro mechanic to inspect your ro. Have a tds filter with u and a value less than 20 is good.
In case of ro with uv the uv lamp needs to be changed after its lamp hours (don’t know much about that)
Google will give u a clear idea.

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Deal Subedar
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If you are planing to buy RO filter then also get ready for water wastage.
To get approx 2 lt of pure water it dumps approx 4 lt of waste water.
If living in water scarce area then think wisely before buying Ro filters.

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Deal Cadet
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If the water is not hard u c should buy uv filter
For Ro buy kent model that stores waste water too
I m using hul uv and my friend is using kent Ro, hul is more costly

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Deal Captain
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@prinkle try to look for the word/abbreviation “BARC” in the posts mentioned in the links below and check the context.
hope you’ll be able to evaluate the BARC tech based options that are readily available in the market from various manufacturers.

@pnagababu178’s post here → http://www.desidime.com/forums/dost-and-dimes/t...

@parthponkiya8’s post here → http://www.desidime.com/forums/dost-and-dimes/t... and
here → http://www.desidime.com/forums/dost-and-dimes/t...


hope you are keyed IN on the other relevant gyaan on these things.
(like; no conclusive data is available on the effects of long term consumption of such denatured water,
but it still is a health hazard if for prolonged period someone only consumes such unnatural water)
a normal socialising, working individual can not completely isolate themselves such that they never eat or drink outside.
If the body gets too accustomed to such demineralised water
then depending on one’s fitness or physique, one is susceptible to bouts of illness or symptoms caused by sudden change in potable water (from other sources).


in-fact due to evolution, our bodies are used to (minerals in nature) earthy water and need certain chemicals and compounds to work efficiently,
the above is used as an excuse to market ‘so called’ advanced models with a re-mineralisation cartridge to artificially add back what they call an ideal amount of minerals/salts
the long term consequences of which are again … ..not known


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@Dr.STRANGE wrote: All are the same.If u buy for 3000 or for 20000,all does the same work.
Just they makes things fancy and get celebs to sell them for more money.
this indeed IS close to the truth ! :-/

[in 3 stage UV models or the hybrid RO+ models] about life-cycle of lamp (UV) and the pre-filters or the ionised carbon; it is N thousand hours for the lamp although I too can not narrow the number. it lasts over 3-4 years under ideal conditions with moderate daily use of under 15-20 litres per day.
similar use necessitates replacing the pre-filter usually in 6-8 months and
the ionisation (chemical property of the charcoal/carbon) too wears off over time and more so if water passes over it. thus needs bi-annual replacement.
only using latest and fresh stock of such ionised carbon is effective.


not too sure of RO membrane life or ideal time after which it needs to be cleaned/ replaced but the relatives we speak to, all say that technicians do so once a quarter or semi-annually.

The troublesome thing with commonly available RO based filters is that almost all have a stoarage tank and thus inadvertently the machine runs more. sad
and then there’s the shocking reality that these same tanks aren’t entirely sealed. Ii myself have seen sedimentation or infestations (creatures like ants) finding their way IN into the cold confines of the (purified water storage) chamber.

@sandeepmmxu wrote: If you are planing to buy RO filter then also get ready for water wastage.
To get approx 2 lt of pure water it dumps approx 4 lt of waste water.
If living in water scarce area then think wisely before buying Ro filters.
most of my environmentally (and more so; socially) conscious relatives use that susu for purposes other than human/pets intake.

so the initial round/s of washing utensils to remove the soap, floor mopping is done with the discharge and sometimes even for potted plants or kitchen garden/nursery.

Osmosis http://en.wikipedia.org/wiki/O...is and thus reverse osmosis needs to separate the liquid based on its varied concentration (dissolved substances).

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Deal Subedar
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@prinkle

based on my experience -

its name is water purifier not ro , ro is just a name of part of system (reverse osmosis membrane / filter) ,

if you can get then buy parts from ebay or local store and assemble that , in this way you will get water purifier worth 15-16k of popular brands in 5-8k .

complete water purifier has these components – RO Membrane + UV Light Filter + Pre / Post Carbon Filter + UF Membrane + TDS Controller + sediment filter + other parts like adapter , motor , body etc .
make sure to have extra bottle filter (attached to Purifier hanged along with it) , that to be changed in 1-2 month , to increase life of other costly parts .

parts in water purifier -

1. RO Membrane – Buy it of Dow (original) Brand , costing around 1400-2000rs , buy only original one there are replica too of it . if this one is not available then buy vontron (700-1000rs) but DEW one is best . this membrane have life of 1-1.5 years depending on usage and water . but after 2 years it should be changed . life of Dow membrane is higher (1-2yrs) than others (1-1.5yrs) .

2. UF + Sediment + Post/Pre Carbon Filter – buy good quality , all brands have more or less same quality , costing (400-700rs) , life 6-12 months .

3. UV Light – Buy Philips UV Light , costing 200-300rs , life 1 year .

5. TDS Controller – it needed in cases when TDS is much high . but it can be manually fixed by electrician on water quality if tds is not so high .

6. outside bottle filter – buy any brand costing 40-100rs , life 1-2 month .

buy all these parts from only trusted seller or any wholeseller , no compromise on quality .

if you want to go for Brand then buy Kent one which have above components RO+UV+UF+TDS (brand of ro membrane kent use is best , so replace it only from kent , rest parts are normal)

all above specifications are for best result for home usage .
personally using this and this saved me extra spending , earlier my mechanic use to charge heavy later i compared and find the each part and now i only buy parts directly and give only labor charges (my mechanic makes sad face whenever i give self purchased parts to him) . these guys make heavy profit on these parts only .

also if TDS is normal (for example – delhi sonia vihar supply) then you can buy it with just UV Light Filter + Pre / Post Carbon Filter + UF Membrane + sediment filter + other parts like adapter , motor , body etc . excluding RO and TDS .

make sure you dont miss UV as it kills germs / bacteria . other parts are for filtering impurities .

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