testing for moisture in plant containers again

David Pilling pbs@pilling.demon.co.uk
Tue, 03 Dec 2013 04:30:45 PST

In message <529D7AD4.3050606@gmail.com>, Ina Crossley 
<klazina1@gmail.com> writes
>It was also mentioned that moisture readers are no good in pumice and
>similar, while skewers work just fine.

There are a lot of cheap moisture meters available. They typically have 
pointy bits of two different metals, I assume they work like a primitive 
battery. I've had no luck at all with these - it has been suggested they 
don't work well in the cold.

More recently I've seen soil moisture meters that work with capacitance 
or dielectric sensors - they are not too expensive.

I wonder if anyone has tried these?

David Pilling
email: david@pilling.demon.co.uk
   web: http://www.davidpilling.net/

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