• Potassium fertilizer for all types of freshwater aquarium plants. • Promotes vigorous growth and prevents long-term potassium deficiency. • Nitrate- and phosphate-free formula for healthy vegetation. • Ideal for combining with the MICROBE-LIFT fertilizer series. • Simple application: 1 ml of product per 100 liters of water increases the potassium content by 1.0 mg/L. • Product subjected to strict quality controls to guarantee effective results.