Jack's Outdoor
Best nutrient blend for outdoor hemp and cannabis cultivators.
This granular blend takes the guesswork out of outdoor cultivation by balancing essential secondary nutrients with a pH-optimized formula. You sacrifice the granular control of custom mixing, but you gain a reliable, high-performance nutrient profile specifically engineered for the demands of high-sunlight hemp and cannabis.
$65.00
at
CapCityHydro (Capital City Organics)
Who it's for
- Gardeners seeking to prevent nutrient deficiencies and boost plant health
- Growers prioritizing strong root systems and abundant flower production
- Users needing fast-acting nutrients for immediate plant growth results
Who should skip it
- Budget-conscious shoppers looking for inexpensive, general-purpose fertilizers
- Busy gardeners preferring low-maintenance, slow-release feeding schedules
- Beginners worried about the risks of over-fertilizing sensitive plants
Performance breakdown
Nutrient Density
High-potency NPK ratio delivers concentrated fuel for vigorous outdoor growth.
pH Optimization
Acidic formulation ensures consistent nutrient availability in diverse soil conditions.
Application Ease
Granular consistency allows for uniform distribution across large outdoor plots.
Secondary Nutrient Profile
Added magnesium and sulfur prevent common deficiencies in high-sunlight environments.
Outdoor Resilience
Engineered specifically to withstand the demands of intense, direct sun exposure.
Production Efficiency
Cost-effective formula maximizes yield potential for large-scale hemp and cannabis.
Key Specs
NPK Ratio
18-8-23
Package Weight
25 lb.
Fertilizer Form
Granular
Secondary Nutrients
Magnesium (Mg) and Sulfur (S)
pH Effect
Potentially acidic
Intended Use
Outdoor production
Nitrogen Percent
18%
Phosphorus Percent
8%
Potassium Percent
23%
Fertilizer Source
Mineral Based
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