maine 21-07-2009 ko modern salels and service varanasi se kent ro system kharida tha lekin karidne ke next day se hi koi na koi problem laga rahta hai jabki ab tak do bar candel aur membrane aur ek bar chock aur adoptor change ho chuka hai jisme karib 10000 Rs. kharch ho chuka hai jisme ki ek bar guaranty period me hi candel aur membrane change ho chuka hai kyoki service man ka kehna tha ki only servicing free hota parts change hone uska charge dena hota hai problem ye hai ki bar bar candel aur membrane block kar ja raha hai jab ki maine ek bahar se bhi ek extra filter 900 Rs ka lagwa dia hai fir bhi koi fark nahi pada hai service man de puchane par bola ki ap ke yaha TDS 550-600 ke bich hai es liye block kar raha hai kent ro kewal 100-150 TDS par work karta hai. jahan tak meri jankari me hai 100-150 TDS hamare india me normal mana jata hai. Fir kent ro ki yaha kya jaroorat hai. Aap batayn mai kya karu, filhal mai thak har kar kent ro ko kachre ke dabbe me dal dia hu.