The Rapitest Soil Test Kit is designed for simplicity of use and accurate results. The kit contains 4 patented, specially designed testing devices called "color comparators" - for pH, Nitrogen, Phosphorus and Potassium. The comparator has a removable film color chart and color coded top. Capsules for each test are also color coded.

For lawns, annuals or house plants. Take a soil sample from 2-3 inches below the surface. For perennials, sample should be from 4 inches deep.

Included in the kit are: 4 color comparators, 40 test capsules, 10 each for pH, nitrogen, potassium, and phosphorus, complete instructions for adjusting soil pH, fertilization guidelines and pH preference list for over 450 plants. Complete step-by-step instructions and charts guide you through the testing process and adjusting procedures.