Thread: Salifer test kit question
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  #7  
Old 01/08/2008, 08:32 PM
bertoni bertoni is offline
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Join Date: Mar 2002
Location: Foster City, CA, USA
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Hmm, plus or minus 25 ppm isn't all that close for the calcium test kit, in my experience. I've done a number of side-by-side runs, and the results were usually closer than that. Hard to say, though.
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