Luster Leaf Rapitest Soil Test Kit

Kit Contains 40 Tests - 10 each for pH, Nitrogen, Phosphorus & Potash.

Determining whether your soil pH needs adjusting or if nitrogen, phosphorus and potash should be added in the form of fertilizers.

Easy to use - just mix soil and water together, pour off solution into comparator, pour in the powder from the capsule, shake and compare to color chart.

Quick, at home results for Soil pH, Nitrogen, Phosphorus and Potash.

Innovative and inexpensive soil test kit features an easy-to-use capsule system and patented color comparators.

Contains all components needed for 40 tests. 10 for each of pH, N, P and K.

Simple, detailed instructions included. Great for beginners and experienced gardeners alike.

Soil pH preference list for over 450 plants included.