Heavy 16®, Heavy Prime, 0-0-3, Professional Plant Additive (2.5 Gallon) Heavy Duty Does not leave harmful residue

Does not leave harmful residue on your plants

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

package offers ample supply for gardens of various sizes

Bluelab® Leap pH Probe for accurate and quick pH measurements

Heavy 16®, Heavy Prime, 0-0-3, Professional Plant Additive (2.5 Gallon) Heavy Duty Does not leave harmful residueHeavy 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