Heavy 16®, Heavy Prime, 0-0-3, Professional Plant Additive (2.5 Gallon) Heavy Duty Sonic Bloom (Sunshine Powder) contains

Sonic Bloom (Sunshine Powder) contains 20 times the vitamin B1 of other popular boosts

package offers ample supply for gardens of various sizes

This mix stands out as a one-of-a-kind soilless medium

Chock-full of potassium

Heavy 16®, Heavy Prime, 0-0-3, Professional Plant Additive (2.5 Gallon) Heavy Duty Sonic Bloom (Sunshine Powder) containsHeavy 16 Heavy Prime, 0 0 3, Professional Plant Additive (2. 5 Gallon) 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