About this item

• Quick, at home results for Soil pH, Nitrogen, Phosphrous 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