Test your soil to ensure a healthy garden.
Tests for pH (acid-alkaline) level, N (nitrogen food) for lawns and vegetables, P (phosphorus food) for shrubs and trees and K (potash food) for fruits and flowering plants. 32 tests in all (8 of each test).

Caution: If capsules break, contents may cause irritation to eyes. When using this product: Safety Glasses & Gloves recommended