USING THE RAPITEST SOIL TEST KIT TEST CHAMBER
2019-8-2 · USING THE RAPITEST SOIL TEST KIT This Rapitest Soil Test Kit is designed for simplicity of use and accurate results. At the heart of the system are 4 patented, specially designed testing devices called “color comparators” - one each for pH, Nitrogen, Phosphorus and Potash. Each comparator has a removable film color chart and color coded top.
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