Luster Leaf® Rapitest® Soil Test Kit | Park Seed

The tests are performed within the 5 color coded test tubes with the results determined by comparing the colorimetric results to the included color comparison chart. This kit is fun and easy to use. (3 Pack) Luster Leaf Rapitest Soil Tester Contains (10) total tests: (4) for pH and (2) for each of N, P and K along with color coded test tubes Simple, fast, and accurate results; no experience required to perform tests