Make informed choices for your garden by knowing what the pH, nitrogen, phosporus and potassium levels are before you plant. Kits comes with complete instructions for adjusting soil conditions if yours are less than ideal for what you already have, or if you need to make adjustments for new plants. Includes 40 tests for ph, nitrogen, phosphorus & potassium levels

• Includes 40 tests for ph, nitrogen, phosphorus & potassium levels
• Complete instructions for adjusting soil conditions