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Old May 20, 2017   #8
Dak
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Join Date: Mar 2009
Location: CA
Posts: 426
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I've been using http://loganlabs.com/. They have a pretty quick turnaround and are very easy to work with. Standard soil test, $25. The guy I was working with needed another test done to determine true CEC and % cation saturation, I remember being impressed that they hadn't tossed my sample yet.
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