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Our most popular soil test kit goes digital! Take the guesswork out of soil testing with this 4-in-1 kit. Measure N, P, K and pH quickly and simply. Mix soil (or a water/soil solution) in a test tube, add the contents of the appropriate capsule, mix and allow the color to develop, then slide the test chamber into the machine to read the results. Comes complete with color-coded test tubes with a handy storage dock, batteries, instructions and reference guides, test capsules for 10 pH tests and 5 each N, P, K for a total of 25 capsules.
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🇺🇸 Ship from USA · On Agora since 2025
$41.95