Roots Organics CalMag
Best secondary nutrient supplement for growers needing precise control over fertility.
This supplement provides the essential secondary nutrients your plants crave during growth spurts without forcing unwanted nitrogen or phosphorus on them. It’s the ultimate tool for growers who demand total control over their feeding schedule, allowing you to fine-tune your ratios without compromising the plant's structural health.
$28.90
at
CapCityHydro (Capital City Organics)
Who it's for
- Versatile growers managing multiple mediums like soil and hydroponics
- Gardeners needing fast relief for nutrient-deficient plants
- Organic growers prioritizing natural soil health and sustainability
Who should skip it
- Budget-conscious growers seeking highly concentrated, cost-effective formulas
- Precision feeders managing nitrogen levels during late flowering stages
- Hydroponic users wanting to avoid sediment in irrigation lines
Performance breakdown
Nutrient Precision
Zero-NPK formula allows for total control over primary fertility ratios.
Growth Support
Essential secondary nutrients fuel rapid development in heavy-feeding plant varieties.
System Compatibility
Integrates seamlessly into existing feeding schedules with standard base fertilizers.
Ingredient Purity
All-natural composition ensures clean supplementation for sensitive root systems.
Application Versatility
Effective across a wide range of garden types from vegetables to houseplants.
Solubility Efficiency
Requires careful mixing due to the non-water-soluble nature of the concentrate.
Key Specs
NPK Ratio
0-0-0
Form
Liquid Concentrate
Primary Components
Calcium, Magnesium, Sulfur
Intended Use
Supplementation during fast growth
Compatibility
Designed to work with base fertilizers
Fertilizer Source
Natural
Nitrogen Percentage
0.0%
Phosphorus Percentage
0.0%
Potassium Percentage
0.0%
Water Soluble
False
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