Best Tds reading befor DI

[spanish pete]

Hi I have just done a service on my system 1 sediment and 2 carbon filters and new resin I cannot get the TDS before the DI under 65 The tap water starts at 365 does it sound like the membrane is on its way out. Ive flushed the system out for 2 hours. Thanks Peter.

 

[Green Pro Clean Ltd]

Have you considered TDS Creep?

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[spanish pete]

Yes thanks green for your reply. I have a van Mont and always run off water for a few minutes with di pipe disconnected before I fill the tank.

 

[Green Pro Clean Ltd]

Then dead membrane would be my guess, how long have you had the current one in there?and when that one was new what was the pre DI reading?

 

[peter rogers]

mines 200 odds and comes out 002-008 ppm