4 individual color comparators for pH, N,P,K
• Final assembly done in the USA
• Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators
• Contains tests for ph, nitrogen, phosphorus, and potassium levels; 8 tests in total, 2 for each
• Simple, fast, and accurate results; no experience required to perform tests
• Includes complete instructions for adjusting soil conditions