Soil Potassium Tester – Improve Plant Resistance
Designed to test potassium from 0–1999 mg/kg with wide temperature monitoring from -30°C to 80°C (-22°F to 176°F), this tester ensures crops resist disease and stress. It solves the issue of fragile plants that wilt quickly under heat or pests. Fruit-bearing plants like tomatoes and peppers perform best when soil potassium levels are around 150–250 mg/kg.