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Humboldt Hydroponics

Heavy 16 Prime 32 oz

Heavy 16 Prime 32 oz

Regular price $78.48 USD
Regular price $94.49 USD Sale price $78.48 USD
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Heavy 16 Prime (0-0-3) is a growth and bloom enhancement additive derived from potassium sulfate. This product is intended to be used throughout a plants entire life cycle.

Available in: AK, AZ, CA, CO, CT, FL, GA, IL, KY, ME, MD, MA, MI, MN, MO, MT, NH, NY, NC, OH, OR, PA, RI, WA
HEAVY 16 Prime  • Improves overall plant nutrition • Improves soil/nutrient conditions for better crop yield • Supports microbial populations • Supports conditions for better plant establishment PRIME is an ultra-diverse liquid formulation designed for use at all times of your crops’ cycle. We have formulated Prime to be the centerpiece of the Heavy 16 program, but its chemistry allows for flexibility throughout cultivation systems and alternative feeding programs from aeroponics to outdoor soil crops. Prime eliminates your need for multiple other additives that would be considered redundant or incomplete according to our data. Tastes, colors, flavors, and brix levels will all be heightened while expressing the plants true phenotype. Prime aids in bolstering the development of a robust root system.


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