About This 4-in-1 Complete Soil Analysis - Test the four most important soil indicators for plant growth: pH, Nitrogen (N), Phosphorus (P), and Potassium (K). This soil test kit helps you understand soil conditions clearly, so you can fertilize smarter and grow stronger plants. 40 Total Tests - Cost-Effective & Reliable - Includes 40 tests total (10 tests per parameter), ideal for routine soil monitoring. Soil conditions usually change slowly, making this kit perfect for seasonal checks without expensive lab testing. Everything You Need in One Kit - Comes with 2 bottles of test strips, 4 blister packs of reagent tablets, 2 centrifuge tubes, a graduated tube, a vial, a sampling scoop, a grinding rod, a dropper, a color chart, and instructions. No extra equipment required - simply follow the instructions and test with confidence. Easy-to-Follow Instructions, Accurate Results - Each test method is selected based on the unique characteristics of each element to ensure dependable results. Clear instructions make soil testing simple, even for beginners. Ideal for Indoor & Outdoor Plants - Perfect for gardens, lawns, greenhouses, raised beds, pots, flowers, vegetables, succulents, and houseplants. Backed by responsive team - we are ready to help.