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Nitty Gritty Soil Science Kit
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Discover the importance of composting - even develop an eye for an earthworm - with this interesting introductory kit. You'll learn what healthy plants require in terms of soil texture, pH levels and nutrients while performing tests using non-hazardous TestTab reagent tablets. We provide instructions and materials to perform 10 tests each of pH, Nitrate, Phosphate and Potassium. |
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