PureCal Calcium Nitrate
Best calcium supplement for professional hydroponic and fertigation growers.
This is the gold standard for growers who prioritize precision over convenience. By stripping away ammonium, you gain total control over nitrogen intake and structural integrity, though it requires a more disciplined approach to your nutrient mixing routine.
$40.77
Who it's for
- Commercial growers seeking higher yields and longer shelf life
- Farmers needing rapid nutrient absorption without soil acidification
- Hydroponic gardeners managing sensitive or young plant varieties
Who should skip it
- Outdoor cultivators managing heavy rainfall or frequent irrigation cycles
- Gardeners looking for an all-in-one complete fertilizer solution
- Growers lacking a climate-controlled or perfectly dry storage space
Performance breakdown
Solubility Efficiency
Fine crystals dissolve instantly without leaving behind any clogging residue.
Nutrient Purity
Ammonium-free composition ensures clean delivery of essential nitrogen and calcium.
System Compatibility
Engineered specifically for seamless integration into complex hydroponic and fertigation setups.
Application Versatility
Highly effective across diverse crops ranging from delicate vegetables to woody shrubs.
Growth Impact
Rapid nutrient uptake significantly strengthens cell walls and prevents common deficiencies.
Ease of Mixing
Blends smoothly with other water-soluble fertilizers for custom nutrient recipes.
Key Specs
Fertilizer Grade
13-0-0 with 18% Calcium
Total Nitrogen (N)
12.8% wt./wt.
Nitrate Nitrogen Content (NO3)
12.8% wt./wt.
Ammonium Nitrogen Content (NH4)
0% wt./wt.
Calcium Content (as Ca)
18.3% wt./wt.
Water Insolubles
0.0%
Bulk Density
58-63 lbs./ft.3
Container Weight
55 lb.
Water Soluble
True
Fertilizer Form
Water Soluble Powder
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