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Re: RO efficiency (was Re: Water quality, Peat, and TDS)
"Stoecker,Michael,FRANKLIN PARK,NC&C" wrote:
> You said, "Last, but not least, some older (and cheaper?) RO units do not
> have an
> automatic shutoff valve for when the small pressure tank is full. "
> By this, are you referring to "drinking water" systems that typically
> consist of an RO unit plus a 3-5G. pressurized holding tank that usually
> installs under the kitchen sink?
With the single exception that I'm aware of, of Prof. Ron Harlan's
Back-To-Nature filters, many of those sold to the aquatic trade appear to be
a bit of a rip-off, price-wise. I have always used the Costco/Home-Depot
kinds of systems as cost-effective and repairable. Most do have that
desirable holding tank and cutoff valve.
If you need a little hand-holding advice, Ron's quickly become the cheaper
and more effective units. [I think there's an equally highly-regarded
supplier in AZ, but I forget the name. Sorry.]
Wright Huntley, Fremont CA, USA, 510 494-8679 huntleyone at home dot com
Politicians and diapers have one thing in common.
They should both be changed regularly
and for the same reason.
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