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Grail Nutrients +Part B (3-0-4) Plant Fertilizer


$24.49

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Grail Nutrients +Part B – Mid Bloom Formula for Cola Development

+Part B is the powerhouse behind early bloom performance. With an ideal potassium-to-calcium ratio, it drives vigorous bud growth, supports plant structure, and prepares your crop for massive colas and dense flower sites.


Key Benefits:

  • Encourages bud stacking and early resin production

  • Reinforces structure to support large colas

  • Ideal for early and mid-flower stages

  • Enhances nutrient uptake during transition

Feed Rate: 15 mL/gal with Grail BASE+ during early to mid bloom.

Tip for Stretch Control: Combine with Grail +Part C (5mL B + 10mL C) to minimize internode stretch in early bloom.

Grail Nutrients Feed Chart