PK Boost provides phosphorus (P) and potassium (K) in pure form. This supplement is rich in minerals needed for strong flowering or fruiting. It can make the difference between amateur and professional results in cultivation. Suitable for supplementing basic flower nutrition. Recommended dosage: 1 ml per liter, once a week. PK Boost 14:15 increases the EC value by approximately 0.35 mS/cm and adds:
- P - approx. 60 ppm
- K - approx. 125 ppm