GrowHard PK Boost


Size: 1 Litre
Price:
Sale price$21.99

Description

PK Boost is designed to augment phosphorus and potassium concentrations during flowering, supporting stronger bloom performance and increased yield potential when plants demand higher PK.

  • Boosts PK availability during peak flowering demand
  • Supports larger flowers and heavier yields
  • Easy to add into an existing bloom feed schedule

Directions for use: Add 1–2 mL per litre of flowering nutrient solution during week 4 & week 5 of flowering.

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