JBL K Potassium Test Set ***Test to identify the plant nutrient, potassium
- Potassium is an essential plant nutrient that is quickly exhausted. Lack of potassium leads to stagnating plant growth and perforated leaves.
- Measuring range: 2.0 to 15 mg/l.
- Recommended levels: 5 – 10 mg/l.
- For approx. 25 measurements.