permaculture

["Mike Snow" <msnow@mountainschool.org>]

Not sure what's in them, but a good company to contact is Pike Agri-Labs
in Maine.  They'll tell you all about them and sell you a good one.  Not
all pH meters are created equal.

Then, maybe testing isn't necessary.  Ask the plant if the soil is balanced.

Mike

> Please do you know what's inside pH meters? The probe sort (presumably an
> electrical response?)rather than chemical colour change paper or liquid.
> And
> do they have a set lifespan ? (finally got round to doing pH tests I'm
> supposed to do over my field and it don't move from 7!)
>
> I'd also be interested to hear what you think about testing and worrying
> about pH on a mulched garden
>
> Thanks
> Cesca
>
>
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