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Re: Ro unit and buffering

In a message dated 6/12/1999 2:50:10 AM Central Daylight Time, 
Aquatic-Plants-Owner at actwin_com writes:

<< Date: Fri, 11 Jun 1999 14:31:03 -0700 (PDT)
 From: mark faulkner <fartmarkner at yahoo_com>
 Subject: RO reconstruction
 I'm looking for a method to increase the KH of RO water to 4 to 7 deg. 
 I have Kent's RO right (for trace elements, etc.), but it dosen't
 provide the buffering capacity needed for CO2 injection.  Are there any
 common methods (dolomite chips, aragonite)that give predictable
 results.  I'm new to the mailing list and I'm sure this topic has been
 covered in the past, so if there are previous discussions someone could
 point me to that would be great.  Thanks.
 Mark Faulkner >>

Mark I also use a Kent RO system.  However I blend it with my natural
tap water which hac a heardness of 29 dKh on an 8 parts RO  to one part
tap water my end result fluctuates between 4 dKh and 5 dKh.