Luster Leaf Luster Rapitest Soil Test Kit - 40 Tests for pH Nitrogen Phosphorus Potash Color Comparator

Contains all components for 40 tests: 10 each for pH, Nitrogen, Phosphorus and Potash

Patented color comparator enables easy color comparisons to the included chart

Includes clear, step-by-step instructions for straightforward testings0

Provides recommendations for over 400 plants to guide amendments and fertilization

Helps identify soil pH and nutrient levels so you can amend and fertilize appropriately

No batteries required for simple, portable testing.

Indicates watering needs for over 100 plants.

Helps prevent over-watering by clarifying plant watering needs.

From Rapitest — the leaders in soil testing.