Digital soil testing device for determining soil pH, N content, P content, and K content.
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Great Luster Leaf
I found on the P and K tests i could shake it for a whole minute and then if I let it set for 10 minutes it settles out to much to give an accurate test. The directions even say on the P test if that happens shake it again. I found both the P and K tests have to be shaken several different times several minutes apart then let them set for the prescribed 10 minutes and this kit gives VERY CONSISTENT results Very good product.
