21% Calcium + 16% Sulfur Water-Soluble Fertilizer
High-Purity Calcium and Sulfur Nutrition for Strong Structure, Efficient Metabolism, and Superior Crop Quality
21% Calcium + 16% Sulfur Water-Soluble Fertilizer
Nutrient Content: 21% Calcium (Ca), 16% Sulfur (S)
Solubility: 100% Fully Water-Soluble, Fast Dissolving, No Residue
Appearance: Fine, free-flowing crystalline powder
Application: Precision fertigation, drip irrigation, foliar feeding, greenhouse cultivation, hydroponics, and secondary nutrient optimization
Calcium + Sulfur Soluble Fertilizer Detailed Specifications
Terafon® 21% Ca + 16% S Water-Soluble Fertilizer is a high-purity secondary nutrient formulation designed to supply readily available calcium and sulfur for intensive crop production systems. Calcium plays a critical role in cell wall formation, membrane stability, and fruit quality, while sulfur is essential for amino acid synthesis, enzyme activation, and efficient nitrogen metabolism.
This balanced Ca–S ratio supports strong plant structure, uniform growth, and improved tolerance to environmental stress. Its fully water-soluble formulation ensures rapid nutrient uptake and uniform distribution through fertigation, foliar application, and hydroponic systems, making it ideal for modern, high-efficiency agriculture.
Technical Specifications
| Nutrient | Content |
|---|---|
| Calcium (Ca) | 21% |
| Sulfur (S) | 16% |
| Solubility | 100% water-soluble |
| Chloride / Sodium | Free or minimal |
| Moisture | ≤ 0.5% |
| Physical Form | Crystalline powder |
| Color | White to off-white |
Key Features & Benefits
✔ Calcium for Structural Strength & Quality
- Enhances cell wall stability, reduces physiological disorders, and improves fruit firmness and shelf life.
✔ Sulfur for Metabolism & Nitrogen Efficiency
- Supports amino acid and protein synthesis, improving nitrogen utilization and overall plant vigor.
✔ 100% Water-Soluble for Precision Nutrition
- Rapidly dissolves in fertigation, drip irrigation, and foliar systems without clogging or residue.
✔ Low-Salt, Crop-Safe Formulation
- Chloride-free and suitable for sensitive crops, helping reduce salinity stress and maintain soil health.
Recommended Application Methods
Fertigation / Drip Irrigation: Apply throughout vegetative and reproductive stages to maintain continuous calcium and sulfur availability for structural development and metabolic activity.
Foliar Feeding: Use as a corrective or supplemental spray to quickly address Ca or S deficiencies and enhance stress resistance.
Greenhouse, Field & Hydroponic Crops: Suitable for vegetables, fruit trees, berries, ornamentals, and hydroponic systems requiring reliable secondary nutrient supply.
Pro Tip: Apply during cooler periods (early morning or late afternoon). Adjust application rates based on crop demand, growth stage, and soil or tissue analysis.
Physical Characteristics
- Form: Fine, free-flowing crystalline powder
- Color: White to off-white
- Dissolution: Rapid, uniform, residue-free
- Compatibility: Safe for drip lines, fertigation injectors, and foliar spray equipment
Packaging & Storage
- Available packaging: 10 kg / 25 kg / 50 kg
- Store in a cool, dry, and well-ventilated place
- Protect from moisture and direct sunlight
Reseal tightly after opening to maintain product quality
Why Choose Terafon® 21% Ca + 16% S?
- Optimized calcium and sulfur ratio for structural and metabolic support
- Improves fruit firmness, protein synthesis, and stress tolerance
- Fully water-soluble for precise fertigation and foliar application
- Chloride-free, low-salt, and compatible with modern irrigation systems
Enhances crop quality, uniformity, and yield stability
Terafon® 21% Ca + 16% S Water-Soluble Secondary Nutrient Fertilizer delivers reliable calcium and sulfur nutrition to strengthen plant structure, support efficient metabolism, and improve crop performance in greenhouse, field, and hydroponic production systems.
Similar products
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Sulfur-Coated Urea (SCU)
Why Choose Terafon for Your Fertilizer Needs
Essential Ca‑S Water‑Soluble Fertilizer
21% Ca + 16% S provides highly available calcium and sulfur to strengthen cell walls, improve nutrient uptake, and support balanced crop growth and quality.
Application for Structural & Metabolic Support
Fully water‑soluble, 21% Ca + 16% S works in fertigation, foliar spray, or drip irrigation, delivering uniform nutrients to support root strength and reproductive stages.
Premium Quality & Crop‑Safe Design
Produced under strict quality control, 21% Ca + 16% S has fine, homogeneous granules, minimal residue, and excellent compatibility with irrigation, injectors, and foliar systems.
Optimized Uptake for Healthy Development
21% Ca + 16% S enhances calcium mobility, boosts sulfur availability, increases metabolic efficiency, and improves stress tolerance for consistent growth and stronger crops.
