- Reads test colors utilizing advanced LED digital technology.
- Just push test button to get results in a few seconds.
- Includes pH preferences for over 450 plants and how to adjust soil pH.
- Booklet has fertilizer guidelines based on Nitrogen, Phosphorus and potash test results.
- Performs 25 test: 10 for pH and 5 each for Nitrogen, Phosphorus and Potash.
Utilizes LED digital technology and optical calibration system to read test colors. Calibrated to read small color variations difficult to distinguish with the human eye. Easy instructions for each soil pH, Nitrogen, Phosphorus and potash test; slide the test tube in the optical chamber and push appropriate button to get the test results. Tester booklet tells you how to adjust soil pH and provides recommendations for fertilizers. The booklet’s pH preference list allows you to select plants for your soil’s pH or know how much to adjust the soil pH for your currents plants.