Harvest Cal-Mag
Best nutrient supplement for growers seeking to maximize flowering and yields.
This is the essential insurance policy for your garden, specifically engineered to prevent the nutrient lockouts common in coco coir. While it adds an extra step to your feeding schedule, the trade-off is a noticeable boost in structural integrity and lush, vibrant foliage that base nutrients alone often miss.
$15.38
at
CapCityHydro (Capital City Organics)
Who it's for
- Gardeners needing rapid recovery from nutrient deficiencies
- Growers seeking extra vegetative growth and plant vigor
- Emerald Harvest users wanting a streamlined feeding routine
Who should skip it
- Gardeners with naturally hard tap water sources
- Cultivators using high-nitrogen base fertilizers
- Budget-conscious growers managing large-scale operations
Performance breakdown
Nutrient Bioavailability
Mineral-based formula ensures rapid uptake for immediate plant deficiency correction.
Coco Coir Compatibility
Specifically engineered to mitigate common calcium-binding issues in coco substrates.
Flowering Support
Provides the essential secondary nutrients required for dense, high-quality floral development.
System Integration
Blends seamlessly into existing feeding schedules without disrupting base nutrient stability.
Foliar Vitality
Consistent application promotes deep green pigmentation and robust leaf structure.
Scaling Versatility
Available in sizes ranging from hobbyist quarts to professional 55-gallon drums.
Key Specs
NPK Ratio
2-0-0
Nitrogen
2.0%
Phosphorus
0.0%
Potassium
0.0%
Secondary Nutrients
Calcium and Magnesium
Fertilizer Form
Liquid Concentrate
Fertilizer Source
Mineral Based
Release Type
Fast Release
Target Plant Type
Flowers
Water Soluble
No
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