pH testing kit
 

About to apply sulfur to chlorotic azalea, but one poster advised I
test the soil first. Here's what I got from my local nursery.

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[t]wo options to test your soil's pH. Nursery has a pH meter which
includes a reader and a stick that's very easy to use for $24.99.

They also have a kit that'll check the pH, nitrogen levels and
several other elements. The kit includes tablets which you put in the
ground. Then you water the area and check for the various elements.
The kit is $19.99. Please let me know if you have additional
questions.

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Never having tested my soil before (gawd, after all these years!)
I would value your experience.

TIA

(also, if anybody has source for cheaper price -- including S&H --
would be glad to hear of it)

Persephone