Pay in 4 interest-free payments of $4.75 Learn more
Ships within 48 hours · Estimated delivery Sep 29 - Oct 4
offering consistent airflow
increases the plant’s resistance to diseases and promotes its inner and outer strength
Safety for All: When used as directed
It guarantees results with its horticultural spectrum
Give your root system an extreme boost
GrowHard PK Boost blaster offering consistent airflowPK BOOST Bigger Blooms, Better Yields Formulated to meet the high demand for phosphorus and potassium during flowering, PK BOOST supports larger flowers and improved yields when it matters most. Directions: Add 12 mL per litre of nutrient solutionUse during week 4 & 5 of flowering Boost flower size, strength, and productivity.
US$ 147.50
US$ 174.50
US$ 1154.50
US$ 147.50
US$ 774.50
