Soil Test Kit for pH, Nitrogen, Phosphorus & Potassium, 40 Tests

This soil test kit helps you check soil pH and nutrient levels before choosing fertilizers or amendments for garden beds, lawns, and containers. It includes 40 test capsules, with 10 each for pH, nitrogen, phosphorus, and potassium, plus four color-coded comparators for reading results.

Best For

• Checking garden beds before seasonal planting
• Planning fall lawn and soil preparation
• Home gardeners comparing soil conditions across planting areas

Key Features

• Test capacity: 40 individual tests, or 10 complete pH/N/P/K testing sets.
• Included: 40 capsules, four color-coded comparators, and instructions.
• Method: Prepare soil samples with water, add the appropriate capsule, and compare the developed color following the instructions.
• Guides: pH adjustment tips, fertilization guidelines, and a pH preference chart for over 450 plants.
• Design: Compact hand-held comparators with separate scales for each test.
• Testing limits: Color comparisons provide a home-gardening assessment, not a comprehensive laboratory soil analysis.
• Care: Follow the kit's handling instructions, clean comparators after use, and keep capsules dry in their original packaging.

Check your soil before choosing your next amendment.