Npk Soil Test Kit.
Specifically designed to meet the needs of the GLOBE program, this kit contains enough materials for 50 tests. Includes non-hazardous TesTabs™ tablets, instructions and laminated color chart.
Test for nitrogen, phosphorus and potassium.
More info
Specifically designed to meet the needs of the GLOBE program, this kit contains enough materials for 50 tests. Includes non-hazardous TesTabs™ tablets, instructions and laminated color chart.
Test for nitrogen, phosphorus and potassium.
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