How to choose between a water softener and a RO?

Hello,

One salesman told us, if the input water has a TDS of lessthan 900 ppm, the softener does not work and hence we have to invest in a domestic RO plant only. The cost of RO is approximately 1.60 lakhs but the water softener costs only 35000/-. Kindly let me know if this is true

 Dhinakaran

aimdina@gmail.com

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