Hi,
you mix up some of the casing with de-ionized (destilled) water and test the pH of the resulting solution. At least, that's what you do if you want to test the pH of soil.
Hope that helps.
cheers,
-e
you mix up some of the casing with de-ionized (destilled) water and test the pH of the resulting solution. At least, that's what you do if you want to test the pH of soil.
Hope that helps.
cheers,
-e