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| NPK Test Kit |
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| Spot-testing your soil throughout the season is a good way to monitor the health of your lawn and garden. Our ph Test Kit supplies you with 10 tests, one test tube, and easy-to-follow instructions. Our NPK Test Kit includes 10 tests each for pH, nitrogen, phosphorus, and potassium. You receive 4 color-coded test tubes, a step-by-step instruction book, and the ideal ranges for over 100 plants. |
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