Luster Leaf 1601 Rapitest Soil Test Kit

The rapitest 1601 Soil Test Kit is an innovative and inexpensive way to test the levels of pH, N, P, K in your garden soil. Kit includes: 4 color comparators, 40 test capsules, 10 each for pH, N, P and K, complete instructions for adjusting soil pH, fertilization guidelines and pH preferences list for over 450 plants for the home, yard and garden.