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large-scale DI units
Hi folks,
Sorry I didn't get back to this sooner - things have been a little hectic
lately.....
The fellow I'm married (Gregg)to has a DI system set up by the Culligan
company in his lab.
Gregg had set-up costs of about $300, but he was told it was due to having
to fix the plumbing in his lab to make it compatible with the system.
Tanks are
$60 (one tank w/ mixed-bed resin for both cations and anions), but there is a
$20/month "maintainance/rental" fee. His tank, which he shares with one other
lab if I recall correctly, lasted a year, and he claims he wasted a lot of
water flushing the system out (due to some plumbing-related problem). Tap
water in the area runs from about 120-200 ppm, so obviously the lifespan of
the tank will be less the harder your local water runs.
Gregg also said that the system delivers water at pressure, and that there
is a resistance meter hooked in to the system to let you know when the tank
needs to
be replaced.
We are seriously considering setting one up at home, but just havn't gotten
around to doing the legwork (let alone figuring out where to put it, etc.
Maybe we'll wait until we can afford the fishroom).
If anyone finds out any more, please let me know.
Lisa