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Humboldts Secret Flower Stacker Bloom Booster


$17.97

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Humboldts Secret Flower Stacker – Bloom Booster for Bigger, Denser Flowers

Humboldts Secret Flower Stacker is a premium bloom booster designed to enhance flower density, size, and overall yield during the flowering stage. Formulated with phosphorus and potassium, Flower Stacker provides the essential nutrients your plants need to maximize bud development and increase resin production.

Compatible with all growing mediums and nutrient lines, this concentrated additive is ideal for growers looking to push their plants to full bloom potential—indoors or out.


Key Benefits:

  • Promotes bigger, denser flowers in the bloom phase

  • Enhances resin and oil production for better quality

  • Boosts phosphorus and potassium levels to support heavy flowering

  • Compatible with all grow systems and nutrient programs

  • Highly concentrated formula – effective in small doses