Soil Test Kit for pH, Nitrogen, Phosphorus & Potassium, 80 Tests

This soil test kit helps you check soil pH and key nutrients before choosing fertilizer or amendments. It includes supplies for 80 tests, using reagent solutions and laminated color charts to assess pH, nitrogen, phosphorus, and potassium.

Best For

• Vegetable and flower gardeners planning soil amendments
• Growers comparing soil samples across planting areas
• Hands-on soil science lessons and garden projects

Key Features

• Test quantities: 30 pH, 15 nitrogen, 20 phosphorus, and 15 potassium tests.
• Testing method: Prepare soil samples with the supplied reagents in test tubes, then compare the resulting colors with the laminated charts.
• Included equipment: Reagents, test tubes, color charts, and a red carrying case.
• Reference guides: Two interpretation booklets and a pH preference guide covering more than 600 plants, trees, and shrubs.
• Result guidance: Use as a home soil-testing aid, not a replacement for laboratory analysis when precise measurements are needed.
• Handling: Follow the included sampling, reagent-handling, and storage instructions.

Start your next soil-care plan with a sample from your garden.