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In a message dated 2/8/99 1:50:44 AM Mountain Standard Time, Aquatic-Plants-
Owner at actwin_com writes:
> RO does not get rid of
> phosphate, chlorine and amonia, which are the only things in my tapwater
> that are really objectionable. To get rid of those, you need a DI unit,
> which is really expensive to run: between $10 and $30 a month to replace
> the resin cartridges, depending on who you ask and where you are.
Pet Warehouse sells a reasonably priced KATI-ANI combo DI unit that is
rechargeable. I'm guessing it would be $30-50 per year (US) to use thgis
system, as the rechage chemicals are really cheap and readily available.