- No hazardous compounds required for testing
- Useful for the lab and field work
- Includes instructions
Test for nitrogen, potassium, and phosphorus with one kit; the special TesTabs, nonhazardous reagents in tablet form, make it simple. The kit comes with testing apparatus, illustrated instructions, and a laminated color chart for comparison all packaged in a light carrying case for transportation to the field. You get enough materials for 50 tests each.