The Rapitest Soil Test Kit features a “color comparator” and capsule system that’s designed for simplicity of use with accurate results. Give it a try! It’s a fast and fun way to achieve better results from your gardening efforts!
Each soil kit contains 40 tests (10 each for pH, Nitrogen, Phosphorus and Potassium) with easy to use tablets. Complete instructions are included, plus a chart of pH and NPK levels on over 100 plants. Get instant results on the soil conditions in different parts of your garden or yard.
Instructions for Use (PDF)
Plant pH Preference List (PDF)
Grower’s Tip:
Garden soil should be monitored periodically throughout the growing season, but it is especially recommended to analyze it before planting in spring and when preparing beds in fall.