NPK Soil Test Kit - 3-5880 with test tubes, reagents, color chart, droppers, instruction manual, and a white box—everything you need for analyzing soil nutrient levels.
NPK Soil Test Kit - 3-5880 with test tubes, reagents, color chart, droppers, instruction manual, and a white box—everything you need for analyzing soil nutrient levels.

NPK Soil Test Kit

Order Code: 3-5880

Safe, easy, and economical! Students can perform up to fifty tests each for nitrogen, phosphorus, and potassium levels using non-hazardous TesTabs®.

Grades 5 and up

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