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Old 02-27-2013, 07:17 PM
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RigglePLC RigglePLC is offline
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Join Date: Jul 2006
Location: Grand Rapids MI
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Here is a good one.
http://www.gemplers.com/product/2211...0130228001448s

But you can also use ph indicator test papers.

And the garden store pH meters are cheap. If pinpoint accuracy is not needed. Only pay attention to the first number.

And your soil potash is not particularly high. Medium levels are 81 to 120 lbs/acre.
http://www.extension.umn.edu/distrib...ms/dc6794.html

Last edited by RigglePLC; 02-27-2013 at 07:21 PM. Reason: add
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