Jack's Nutrients Part B Calcium Nitrate
Best reliable mineral supplement for serious hydroponic growers.
This is the gold standard for growers who want total control over their feeding regimen. By separating calcium and nitrogen from the rest of your nutrient profile, you gain the precision needed for professional-grade hydroponic results, though it does require a bit more attention to your mixing routine.
$30.70
at
Amazon
Who it's for
- Hydroponic growers seeking a clean and efficient nutrient delivery system
- Vegetable gardeners aiming for robust fruit development and structural integrity
- Serious cultivators who want total control over their plant's growth
Who should skip it
- Casual hobbyists looking for a simple, all-in-one feeding solution
- Gardeners in humid climates without climate-controlled storage spaces
- Beginners who prefer foolproof and low-maintenance fertilization methods
Performance breakdown
Solubility Speed
Dissolves rapidly in water without leaving behind stubborn, gritty sediment.
Nutrient Precision
Allows growers to fine-tune calcium levels without altering other macronutrient ratios.
Concentration Efficiency
Highly potent formula means a small amount covers significant water volume.
System Compatibility
Engineered specifically to pair seamlessly with Jack's Part A formula.
Ease of Dosing
Simple powder format makes measuring consistent batches straightforward for any grower.
Hydroponic Stability
Maintains chemical balance effectively within continuous liquid feed irrigation systems.
Key Specs
Analysis
15-0-0
Weight
2.2 lbs
Form
Water-Soluble Powder
Compatibility
Designed for use with Jack's 5-12-26 Part A
Application
Continuous liquid feed programs
Mixing Rate
8.6 ounces per 100 gallons of water
Know before you buy
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Ask Metto anything about the Jack's Nutrients Part B Calcium Nitrate before you decide.
