Rapitest Soil Test Kit for Gardens, Vegetables, Flowers and Lawns. USA designed and assembled soil tester completely, quickly and accurately measures/analyzes soil pH acidity and garden nutrients

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 tests: 10 for pH and 5 each for Nitrogen, Phosphorus and Potash