I just made my first batch of CS.  I used store brand distilled water coz I
haven't hooked up my DI unit to my RO yet.  It had this whitish stuff in it
- looks to be slimy, but haven't actually touched to see if it is.  Is that
normal?  Is this first batch not good?

Also, I can't figure out how to hook up my DI.  If anyone could help me I'd
appreciate it.  The tubing that goes to my RO on my sink is not the same
size as the DI tubing.  And the tubing that is the same seems to only go to
the fridge.  Not sure why that is... I'm thinking I'm not getting RO even
out of my sink, which is all I drink!

Any help is appreciated.
Gina

-----Original Message-----
From: Malcolm [mailto:[email protected]] 
Sent: Monday, July 13, 2009 6:14 PM
To: [email protected]
Subject: Re: CS>water

Hi,

Distilled water may or may not be "clean" of organics, since they may be
carried over with the steam; in fact this is a common method used to
separate organic compounds from each other and their mother liquids.
Reverse Osmosis also has shortcomings, in that a few dissolved mineral
salts can be pushed through the membrane "in solution", especially the
cheaper membranes.

For RO water the way to go is to pass the water through a de-ionization
cartridge  after the reverse osmosis.  At that point you'll have Lab
quality water, about an order of magnitude (ten times) better than
anything you are likely to buy in a gallon jug in the grocery.  

Soo, de-ionization is not a treatment in itself, unless you just want
"soft" water, and distillation can be done well, or not-so-well.  The
Only way to be sure is to test the water with something like a Hanna PWT
or the Com 100 water conductivity meters or their equivalent.

An alternative might be to find a "compounding pharmacy" and buy pure
water from them.

Take care,
Malcolm


On Mon, 2009-07-13 at 13:57 -1000, Smitty wrote:
> >Use distilled water only.  Some "deionized" waters are ok, but for
> > you're purposes only use distilled.
> >Bob
> 
> Thanks. . . .will do. . . .
> 
> 
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