Soil Moisture Meter for compost piles required

[Ray]

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I have searched Sowacs.com for a moisture meter that I can use to test
moisture content in my compost piles.  I want to introduce earthworms
and need this info.  Can you put me on to a source.  This is not a
commercial operation just a back yard project.

                                       Thanks

                                          Ray

[Please post all replies through sowacs, thanks
Bruce]