Product benefits
-
All-Stage Support
-
Calcium & Magnesium Support
-
Fully Water Soluble
-
Clean Formula
-
Dripper Friendly
-
Multi-Media Ready
-
Multi-System Use
-
Clean Sediment-Free Formula
This product may offer additional benefits beyond those listed.
Frequently purchased together
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Green Planet Nutrients Rezin - 1 litre
Prix habituel $31.82Prix habituelPrix promotionnel $31.82 -
Green Planet Nutrients PK Spike - 1 litre
Prix habituel $35.99Prix habituelPrix promotionnel $35.99 -
Formule de floraison massive Green Planet Nutrients - 1 litre
Prix habituel $24.35Prix habituelPrix promotionnel $24.35 -
Nutriments Green Planet Liquid Weight - 1 litre
Prix habituel $18.24Prix habituelPrix promotionnel $18.24
Green Planet Nutrients Horti Cal - 5 LBS
Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
Barrie, Ontario
106 Saunders Road, Unit #2A
Barrie, ON L4N 9A8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
Winnipeg, Manitoba
915 McLeod Avenue, Unit #4
Winnipeg, MB R2G 0Y4
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat11:00am–3:00pm
- SunClosed
Produits recommandés par le fabricant
Product benefits
-
All-Stage Support
-
Calcium & Magnesium Support
-
Fully Water Soluble
-
Clean Formula
-
Dripper Friendly
-
Multi-Media Ready
-
Multi-System Use
-
Clean Sediment-Free Formula
This product may offer additional benefits beyond those listed.
Description
Description
Horti Cal est formulé pour compléter l'azote, le calcium et le magnésium, aidant à maintenir des plantes saines tout en favorisant une croissance et un développement rapides. Un résumé des faits : il est classé 14-0-0 et est identifié comme « + Ca + Mg », ce qui le rend facile à positionner comme un produit de soutien ciblé lorsque votre jardin a besoin de plus de calcium et de magnésium en plus de l'azote. Il est conçu pour maintenir les plantes fortes du début à la fin, vous offrant un moyen simple de soutenir les éléments clés sans modifier l'intention de votre plan de nutrition de base.
Faisant partie de la gamme Horti, cette formule est élaborée à partir d'ingrédients hydrosolubles et est décrite comme étant hautement soluble et constante à chaque lot. Elle est également décrite comme stable au pH, ce qui favorise un profil de solution nutritive plus stable dans les installations axées sur la production. La gamme Horti est déclarée exempte de charges ou de contaminants, sans sédiments ni matières organiques susceptibles de bloquer les systèmes d'irrigation, l'accent étant mis sur une distribution propre et une manipulation fiable dans les salles de culture et les serres modernes.
Horti Cal convient aux cultivateurs qui souhaitent un engrais sec favorisant la robustesse des plantes, une croissance et un développement stables, ainsi qu'une performance propre du système. Il est particulièrement bien adapté aux installations qui valorisent la constance des lots, les ingrédients hydrosolubles et une formule stable au pH. Si vous utilisez des réservoirs de stockage et des systèmes d'injection et que vous souhaitez un engrais à base de calcium et de magnésium conçu pour soutenir l'ensemble du cycle de croissance, GreenPlanet Nutrients Horti Cal répond à cet objectif avec un profil simple et de qualité commerciale.
Avantages du produit : Stade végétatif ; Stade de floraison ; Intérieur ; Extérieur ; Arrosage régulier ; Systèmes d'arrosage ; Hydroponie ; Compatible avec la fibre de coco ; Sol ; Hors-sol ; Soutien à tous les stades ; Soutien en calcium et magnésium ; Entièrement hydrosoluble ; Formule propre ; Compatible avec les goutteurs ; Prêt pour plusieurs médias ; Utilisation multi-systèmes ; Formule propre sans sédiments.
Analyse garantie : Azote total (N) : 14,0 % ; Azote ammoniacal (N) : 0,9 % ; Azote nitrique (N) : 13,1 % ; Calcium (Ca) : 14,8 % ; Magnésium (Mg) soluble dans l'eau : 2,0 %.
Dérivé de : Sel double de nitrate d'ammonium et de calcium ; Nitrate de magnésium.
How To Use
How To Use
How to Use Green Planet Nutrients Horti Cal - 5 LBS
Step-by-step mixing and feeding instructions for Green Planet Nutrients Horti Cal - 5 LBS.
Mixing & preparation
Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Green Planet Nutrients Horti Cal - 5 LBS well before every use. Using the feeding schedule below, measure the recommended dose and add it directly to the water while stirring. Allow the solution to mix fully before adding any other fertilizers, additives, or supplements.
Always add nutrients to water — not the other way around. Mix thoroughly between products to ensure an even, stable nutrient solution.
Week-by-week feeding schedule
Vegetative stage — Horti Cal
- Week 1: mix 0.66 g per litre of water or nutrient solution.
- Week 2: mix 0.66 g per litre of water or nutrient solution.
- Week 3: mix 0.66 g per litre of water or nutrient solution.
Flowering stage — Horti Cal
- Week 1: mix 0.66 g per litre of water or nutrient solution.
- Week 2: mix 0.66 g per litre of water or nutrient solution.
- Week 3: mix 0.66 g per litre of water or nutrient solution.
- Week 4: mix 0.66 g per litre of water or nutrient solution.
- Week 5: mix 0.66 g per litre of water or nutrient solution.
- Week 6: do not use this product during this week of flowering.
- Week 7: do not use this product during this week of flowering.
- Week 8: do not use this product during this week of flowering.
Tips for best results
- Maintain pH and EC/ppm within the range recommended for your growing medium and crop.
- Use fresh nutrient solution whenever possible and avoid leaving mixed solution stagnant for long periods.
- Store nutrients in a cool, dark place away from direct sunlight and extreme temperatures.
- Keep bottles tightly sealed when not in use to reduce air exposure and preserve product quality.
- Use clean measuring tools and regularly rinse or clean your reservoir, lines, and irrigation equipment.
Common mistakes to avoid
- Do not mix different nutrients or additives together in concentrated form before adding them to water.
- Do not exceed the recommended dosage unless you are following a tested, crop-specific feeding plan.
- Do not skip pH or EC/ppm checks when growing in hydroponic or soilless systems.
- Do not allow the nutrient solution to freeze or overheat, as this can damage the formulation.
- Do not ignore the directions on the product label for your specific crop, growth stage, and system type.
Warnings & Safety
Warnings & Safety
Warning – Important Safety Information
This product may cause mild skin irritation and eye irritation. Avoid unnecessary contact with skin, eyes, and clothing. Use only as directed.
General safety precautions
Read and follow all instructions on the product label and any accompanying documentation before use. Keep out of reach of children and pets. Do not ingest. Avoid breathing vapours, mist, or dust that may be generated during handling or use.
Wear appropriate personal protective equipment (PPE), such as protective gloves, long sleeves, long pants and closed-toe footwear. When there is a risk of splashing or airborne particles, use safety glasses or other suitable eye and face protection.
First aid – skin contact
IF ON SKIN OR HAIR: Remove contaminated clothing immediately. Rinse skin with clean water for several minutes, then wash with mild soap and water. If irritation or redness develops and persists, seek medical attention. Wash contaminated clothing before reuse.
First aid – eye contact
IF IN EYES: Rinse cautiously with clean water for several minutes, keeping eyelids open. Remove contact lenses if present and easy to do. Continue rinsing. If irritation persists, obtain medical advice.
First aid – ingestion and inhalation
IF SWALLOWED: Rinse mouth thoroughly with water. Do not induce vomiting unless instructed by a medical professional. Seek medical attention if you feel unwell.
IF INHALED: Move the person to fresh air and keep them comfortable for breathing. If coughing, breathing difficulty, dizziness or other symptoms occur, seek medical assistance.
Storage and handling
Store this product in its original closed container, in a cool, dry and well-ventilated area. Protect from extreme temperatures and direct sunlight. Keep container tightly sealed when not in use.
Avoid release to drains, natural waterways or outdoor soil. Dispose of unused product and empty containers in accordance with local regulations and the directions on the label.
Important: If medical advice is needed, keep the product label or container available. Always follow the specific instructions and safety recommendations provided by the manufacturer. This safety notice is intended as general guidance and does not replace official label directions or documentation.
Guaranteed Minimum Analysis
Guaranteed Minimum Analysis
| Total Nitrogen (N) | 14.0% |
|---|---|
| Ammoniacal Nitrogen (N) | 0.9% |
| Nitrate Nitrogen (N) | 13.1% |
| Calcium (Ca) | 14.8% |
| Water Soluble Magnesium (Mg) | 2.0% |
Derived From
Derived From
| Ammonium Calcium Nitrate Double Salt |
| Magnesium Nitrate |
Frequently Asked Questions
Frequently Asked Questions
Why is total nitrogen (N) important for plant growth, and what makes it different from other nutrients?
Total Nitrogen is important because it directly drives leafy growth, chlorophyll production, and overall growth speed, which sets the pace for the entire plant. It’s unique because the “total” number can include different nitrogen forms that behave differently in the root zone, meaning the same total amount can produce very different results depending on the nitrogen type and plant stage.
What Is ammoniacal nitrogen (N) and why do plants need It?
Ammoniacal Nitrogen (N) is a plant-available form of ammonium (NH₄⁺) that provides a steady, gentle source of nitrogen for healthy green growth. Unlike fast-release nitrogen types, ammoniacal nitrogen feeds plants slowly, helps stabilize root-zone pH, and works well in cooler temperatures. It is commonly used during early vegetative growth because it supports strong leaf development without burning young roots. If plants show pale leaves, slow growth, or weak stems, they may need more available ammoniacal nitrogen.
What does nitrate nitrogen (N) do for plants?
Nitrate Nitrogen provides a stable, easy-to-absorb form of nitrogen that supports steady growth, strong foliage, and reliable plant development without sudden nutrient swings.
Why is calcium important for plant growth?
Calcium is important because it builds and stabilizes plant cells as they form, acting as the structural support that keeps new growth strong and functional. Unlike other nutrients that drive color or speed of growth, calcium’s role is unique because it controls cell wall strength and membrane stability, making it essential for healthy roots, shoots, and long-term plant resilience rather than quick visual results.
Why is water soluble magnesium important for plant growth?
Water soluble magnesium is important because it quickly restores the plant’s ability to make chlorophyll and produce energy, which helps stop interveinal yellowing on older leaves and improves overall nutrient use; it’s unique because it becomes available immediately in water, making it faster and more predictable than slower magnesium sources.
Why do growers use ammonium calcium nitrate double salt instead of a single-form nitrogen source?
Growers use ammonium calcium nitrate double salt because it can provide nitrogen in a balanced way while also supplying calcium to support stronger new growth. It’s important because it can boost growth without pushing plants as harshly as nitrogen sources that are only ammonium or only nitrate, and it’s unique because the built-in calcium helps keep fast growth from turning into weak, easily stressed tissue.
What does magnesium nitrate do for plants?
Magnesium nitrate supplies fast-available magnesium for chlorophyll and photosynthesis while also adding nitrate nitrogen that can speed up greening and growth. It’s unique because it can correct magnesium-related yellowing quickly but also changes growth momentum, so it’s most valuable when magnesium is truly limiting and the plant can safely use extra nitrate.
Frequently purchased together
-
Green Planet Nutrients Rezin - 1 litre
Prix habituel $31.82Prix habituelPrix promotionnel $31.82 -
Green Planet Nutrients PK Spike - 1 litre
Prix habituel $35.99Prix habituelPrix promotionnel $35.99 -
Formule de floraison massive Green Planet Nutrients - 1 litre
Prix habituel $24.35Prix habituelPrix promotionnel $24.35 -
Nutriments Green Planet Liquid Weight - 1 litre
Prix habituel $18.24Prix habituelPrix promotionnel $18.24
Partager

Vegetative — Week 1
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Horti Cal—
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Horti Grow—
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Horti Bloom—
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Horti Late Bloom—
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Horti Late Cal—
Flowering — Week 1
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Horti Cal—
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Horti Grow—
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Horti Bloom—
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Horti Late Bloom—
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Horti Late Cal—