Jack's Nutrients Boost Part B
Best reliable nutrient supplement for serious indoor gardeners.
A critical component for two-part feeding systems, this supplement delivers highly soluble calcium and nitrate nitrogen. It provides the precise control needed to correct deficiencies and support structural plant health, making it an essential tool for serious growers managing complex nutrient regimens.
$47.25
at
GrowGeneration
Who it's for
- Cultivators seeking professional-grade plant strength and structural integrity
- Hydroponic growers requiring clean, sediment-free nutrient delivery systems
- Budget-conscious gardeners managing large-scale or high-volume cultivation projects
Who should skip it
- Beginners looking for a simple, one-bottle feeding solution
- Gardeners working in high-humidity areas without airtight storage options
- Casual hobbyists who prefer the convenience of liquid measuring cups
Performance breakdown
Solubility speed
Dissolves rapidly in water without leaving behind stubborn, clogging sediment.
Nutrient precision
Allows growers to dial in calcium levels without disrupting other ratios.
System compatibility
Integrates flawlessly with standard two-part feeding regimens for consistent results.
Structural support
Delivers the calcium necessary for building thick, resilient cell walls.
Nitrogen availability
Provides immediate nitrate nitrogen uptake for rapid, visible vegetative growth.
Ease of dosing
Straightforward application makes fine-tuning your nutrient schedule simple and intuitive.
Key Specs
Weight
25 lbs
NPK Ratio
15-0-0
Nitrogen Percentage
15%
Phosphorus Percentage
0%
Potassium Percentage
0%
Type
Calcium Nitrate
Part
Part B
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