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Designed for economical on-site evaluations of soil fertility, the NPK-1 test kit provides a simple, effective way for analysts to determine nitrogen, phosphorus, and potassium content of the soil. The Soil Fertility test kit also includes a Pocket Pal™ pH Tester for quick pH measurements. Method / Chemistry: Dipstick, color disc, Pocket Pal™ Tester. Test: Phosphorus/ Potassium/ Nitrate-Nitrogen/ pH. Smallest Increment (mg/L): 0-130/ 0-250/ 0-60/ 0-14 pH units.
Items with this mark may be considered hazardous under some shipping conditions.
If necessary, we will change your selected shipping method to accomodate these items.