HAIFA Calcium Nitrate Prime (17-0-0-33 Ca)
GUARANTEED!
your plant(s) will love it.
Premium calcium nitrate fertilizer for optimal plant growth, stronger structures, and enhanced crop yields—available for small-scale and professional use.
Haifa Cal™ Prime is a high-purity calcium nitrate fertilizer designed to deliver essential nutrients for robust plant health and productivity. Its balanced formula of 17% nitrate nitrogen and 33% calcium ensures strong vegetative growth, enhanced fruit quality, and increased crop resilience.
Perfect for hydroponics, fertigation, foliar feeding, and soil applications, this versatile fertilizer meets the needs of both home gardeners and large-scale growers. Choose between the compact 3-lb bag for small applications or the 55-lb bulk bag for commercial use.
Nitrogen (N): 17% (Nitrate Form); Calcium Oxide (CaO): 33%; Ammonium Nitrogen (NH₄): ≤0.3%; Chloride & Sodium: Minimal levels
For 3-lb Bag:
- Fertigation: Dissolve 1–2 tablespoons per gallon of water; apply evenly across 500 sq. ft.
- Hydroponics: Add at 0.1–0.2% by volume to your nutrient solution.
- Foliar Feeding: Mix 1 tablespoon per gallon of water and spray on foliage during cooler parts of the day, covering up to 1,000 sq. ft.
- Soil Application: Spread ½ cup per 100 sq. ft. and water thoroughly.
For 55-lb Bulk Bag:
- Fertigation: Dissolve 1–2 lbs per 100 gallons of water to cover up to 10,000 sq. ft.
- Hydroponics: Mix directly into the nutrient solution at 0.1–0.2% by volume.
- Field Application: Broadcast or incorporate 100–200 lbs per acre based on soil and crop requirements.
- Foliar Feeding (Optional): Mix 1 lb per 100 gallons of water and spray during cooler hours to avoid leaf burn.
General Tips: Repeat every 1–2 weeks or as needed based on crop type and growth stage. Always test on a small scale before full application.
Haifa Cal™ Prime is the trusted choice for balanced calcium and nitrogen delivery. It strengthens plant cell walls, boosts stress resistance, and enhances fruit quality while offering eco-friendly, low-salinity nutrition. The 3-lb size is perfect for small-scale gardeners, while the 55-lb bulk format supports professionals with larger-scale operations.
3-lb Bag:
- Prepares approximately 30 gallons of nutrient solution for fertigation or hydroponics.
- Covers up to 1,000–2,000 sq. ft., depending on application method.
55-lb Bulk Bag:
- Prepares approximately 550 gallons of nutrient solution for fertigation or hydroponics.
- Treats up to 18,000–25,000 sq. ft., depending on crop type and application method.
Which Size Should I Choose?
Small Container Care Kit
✓ Designed for 1–5 gallon pots
✓ Great for indoor or patio-grown trees
✓ Includes everything you need for a season of care
✓ Makes ~16 oz of liquid nutrition + granular fertilizer
Large In-Ground Care Kit
✓ Perfect for mature planted in the ground or larger container plants (5+ gallons)
✓ Higher nutrient volume to support larger root systems
✓ Makes ~64 oz of liquid nutrition + more fertilizer for extended feeding
Common Questions:
Q: Can I use this indoors?
Yes! The small kit is great for indoor or patio plants in containers.
Q: Do I need to buy anything else?
Nope. Everything your plant needs is inside — just add water and follow the easy steps.
Q: How often should I use this?
Most plants only need 1 full kit per season. Light feeders may stretch it longer.



HAIFA Calcium Nitrate Prime (17-0-0-33 Ca)