PH Meters

From: Carlstrom_Rick@amelnx.advmar.com
Date: Fri Jan 17 1997 - 04:08:38 PST

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Date: Fri, 17 Jan 97 07:08:38 EST
From: Carlstrom_Rick@amelnx.advmar.com
To: cp@opus.hpl.hp.com
Message-Id: <aabcdefg244$foo@default>
Subject: PH Meters

     It has been my experience that those cheap pH meters sold in garden
     centers (about $20 US) are really worthless crap. I would get wildly
     fluctuating readings on the same sand/peat mix all the time. I
     somtimes would get pH's of 9 or 10 in pure distilled water. I also
     got basic reading from tomato juice which is acidic. IMHO if you are
     serious about measuring Ph you need a real lab grade pH meter.
     However, these are expensive.

     Rick

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