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Package Size: 7 x 5.5 x 3.6 inches
Soil analysis reagent kit for nitrogen, phosphorus, potassium and pH, 25 tests. Traces, low, medium, high for nitrogen, phosphorus, potassium and 4 - 9 pH ranges. Chemical method: Ned for Nitrogen, ascorbic acid for Phosphorus, tetraphenyl-borate for Potassium and pH indicator for pH. 1 pH increments. 710 grams.
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