Extract and test soil for nitrogen, phosophorus and potassium
This popular kit provides everything you need to extract nutrients from soil samples and perform N, P and K tests for each. Includes N, P, K and Floc Ex tablets, a graduated extraction tube, a pipette, a water-resistant color chart for interpreting results and turbidity chart. Illustrated, step-by-step instructions also included. Performs 50 tests.
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