White scale formation in Chennai, TN : Need advice regarding the appropriate purification technology.Test report attached

In our home, in Chennai we have white scale formation issue. I consulted several companies & received varying views on the methods to be adopted to provide pure drinking water. Now I have the following doubts. Kindly help me.

1.    Whether this test result ( given below) is sufficient to arrive at a solution ?
2.    On the basis of the test reports, please let me know if Sand filter and water softener sufficient ? Do I still need RO system ?



Madheshwaran.R.
098407 20435
makesh400@yahoo.com

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