Easy & Accurate Digital Soil Test Kit 

Take the guesswork out of soil health with the Luster Leaf Rapitest Digital Soil Test Kit. Designed for home gardeners and professionals, this kit provides quick, precise digital readings of your soil’s pH, nitrogen (N), phosphorus (P), and potassium (K) levels. The patented optical test chamber ensures accuracy, eliminating the need for subjective color matching. With easy-to-use color-coded test tubes and capsules, plus a comprehensive reference chart for over 450 plants, this kit simplifies soil testing and helps you make informed amendments for optimal plant growth.

Key Features

• Digital LED readout for fast, accurate results
• Tests for pH, nitrogen (N), phosphorus (P), and potassium (K)
• Optical test chamber ensures precise color recognition
• No subjective color matching—improves accuracy
• Includes 25 reagent capsules and (4) color-coded test tubes
• Fertilization guidelines and pH preferences for over 450 plants
• Test tube holder for easy organization during testing
• Battery-operated for convenient, portable use

How to Use Soil Test Kit

Precision Soil Testing for Healthier Plants

Quickly and easily measure your soil’s nutrient levels to ensure your plants receive the proper balance of nutrients for optimal growth. The digital LED display eliminates guesswork, giving you fast and reliable results. The included guide provides expert recommendations for adjusting pH and fertilization levels based on your test results. Once you have your soil test results, learn how to improve your garden’s fertility with A Beginner's Guide to the Best Soil Amendments for Healthier Gardens.