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djhaydn

  • Posts: 157
PPM/ TDS reading/resin/filters
« on: November 26, 2009, 12:32:12 pm »
Hi Guys. long time no speak, i have been back regulary to see whats been going on.
i have a problem and think i know what it is, but need a second opinion.

i have just changed my pre filters and flushed them well, also i have purchased some new resin from Hugh Crane,acle , norwich.

when i tested the ppm on new filters i had a reading of 42 on tds meter (water very hard here), connected the DI vessel and my reading was 000,
250 liters later the reading was 29, so i promptly rang Hugh crane and explained, but just to make sure it wasnt a blip, i changed the resin again and set running, and sure enough at 300 liters later the reading was creeping up again. the reading from filters is still 42.

before i really do go gobbing it off, am i right in saying that the resin is no good and is virtually spent before use?

the resin i had before off them (a differnt make) was really good and made 750 liters without ppm hardly rising.

cheers guys
Haydn

steven ainger

  • Posts: 1953
Re: PPM/ TDS reading/resin/filters
« Reply #1 on: November 26, 2009, 12:38:06 pm »
what ro are you using, cos 42 is really bad after a ro and what size di vessel are you using. also do you know what the reading after the ro was before you changed the pre filters ??