Calcium Nitrate
15.5% N + 19% Ca
Calcium Nitrate (15.5% N + 19% Ca): Usage Guide
The cure and prevention for blossom end rot — those black sunken spots on tomato and pepper fruit, caused by calcium starvation (often from irregular watering, not poor soil). This guide covers dosage and dilution, how and when to apply, which crops it suits, mixing and safety rules, with step-by-step drawings.
- Dose
- 20–30 g per 10 L
- Waiting before harvest
- none
- Safety
- Oxidizer, moderate hazard
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Educational information, not professional advice. Always follow the product label and the rules of your country (registration, doses, waiting time before harvest, protective equipment). Product names are trademarks of their owners; we are not affiliated with them. Terms
What is inside
- Quick facts: type, best use, dose, waiting time before harvest, safety
- Drawings of dosing and dilution and of how to apply it in the garden
- What it is and when to use it, with exact dosage and dilution
- Which crops it suits, mixing rules and safety precautions
Details
- Format
- Pages
- 3
- Type
- Calcium source
- Best for
- Against blossom end rot
- Dose
- 20–30 g per 10 L
- Waiting before harvest
- none
- Safety
- Oxidizer, moderate hazard
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