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Soil Test Kit
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Help students learn the importance of soil testing for more abundant, healthier plants. A simple, three–step process is all it takes to individually test for pH, nitrogen, potassium and phosphorus in soil. Just three easy steps..mix soil with water, pour liquid into comparator and add contents of capsule. Compare color instantly for test reading. Waterproof color charts, capsules and comparators for each test factor are all color–coded for easy reference. Complete instructions for adjusting soil conditions and fertilization.
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