Re: [APD] RO/DI units

["S. Hieber" <shieber at yahoo_com>]

I can't advise on which RO unit to buy but to check
performance, an electrictrical conductivity test might be a
good general test. RO ought to measure about 5-15
microSiemens; Di water should read about 0-1 microSiemens.

There are lots of conductivity testers around, including
small pocket-sized models. American Marine (Pinpoint) also
makes a very reliable model.

Scott H.


--- Chad Sutton <chadsutton at tampabay_rr.com> wrote:
> How do I know which unit to purchase?  There seems to be
> an explosion of
> these lately.  I would like to store around 200 gallons
> of the RO/DI water
> which I will use to mix saltwater in another container. 
> What tests can I
> perform to make sure the ro unit is working correctly,
> chlorine, phosphates,
> ammonia, etc?
> 
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