Rapitech STK008 Soil Test Kit for pH and NPK (80 Tests)
Test your soil for a healthy garden! To test the soil of the beds where you will plant shrubs, perennials, vegetables or fruits, dig 10 cm with a trowel and take a small sample at this level. For lawns, annuals and houseplants, take a sample 5-8 cm below the soil surface. Simple system for preparing your soil samples. Compare the results of your pH, N (Azote), P (Phosphorus) and K (Potassium) tests individually with the included color reading chart. In total 4X 20 tests.
Manual in French and pH preference list included