JBL POTASSIUM FRESHWATER TEST SET

Regular price $29.90

  • 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 (diluted up to 30 mg/l). Recommended levels: 10 – 30 mg/l.
  • For approx. 25 measurements.