Accurate nutrients: This nutrient tester detects potassium with an accuracy of ± 2%. Advanced detection technology allows for rapid analysis of the Weighing only 200g and featuring an ABS shell, this portable tester is easy to carry for use in the field or on a balcony. Makes it easy to check the gardens, farmland Complete all tests in just 3 minutes with 1 operation button Requires no complex steps, perfect for busy growers and time beginners while precise soil nutrition management Clear LCD data display: Real-time results appear on the built-in LCD screen without additional tools. Simple graphics help users instantly understand the fertility of, adapted educational laboratories and science projects Help farmers and gardeners adjust fertilization for healthy ones Ideal for home gardening, farming and research, simplifies traditional methods, Manufacturer: hogtnd