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| Works Directly on a Soil Sample, Eliminating the Need for a Soil Extract |
Eliminate difficulties with soil extracts that may be turbid or colored by the soil itself. The special indicator, which works on any type of soil, exhibits easy-to-distinguish colors in a colorimetric reaction for comparison to a color chart to determine the soil’s pH for a range of pH 4–8.5. The boxed set includes all materials for 200 tests.
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