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Grotek Cal Max - 4 litres

Prix habituel $52.76
Prix habituel Prix promotionnel $52.76
Frais d'expédition calculés à l'étape de paiement.

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Description

Grotek Cal-Max™ est un supplément correcteur de carences destiné à rétablir le soutien minéral et la croissance verte lorsque les plantes présentent des carences mineures courantes en nutriments, notamment dans la culture à base de fibre de coco.

Cal-Max™ est conçu pour aider les plantes à se rétablir en cas de carences dues à un déséquilibre nutritionnel, une croissance rapide ou une humidité excessive. C'est un choix pratique pour les cultivateurs qui recherchent un correcteur de carences ciblé, favorisant un feuillage plus sain et renforçant la zone racinaire. L'azote disponible dans cette formule stimule la production de chlorophylle et de protéines, aidant ainsi les plantes à reverdir lorsqu'elles sont carencées en azote et peinent à répondre à leurs besoins.

Pour les substrats à base de fibre de coco et les mélanges de coco, Cal-Max™ est une excellente option pour enrichir la fibre de coco et favoriser un milieu plus équilibré. La fibre de coco peut présenter des déséquilibres naturels, et ce produit est conçu pour y remédier grâce à une source importante de calcium et un apport minéral à action rapide. Si votre objectif est d'obtenir une croissance plus régulière avec un substrat de coco, Cal-Max™ cible le conditionnement de la zone racinaire, permettant ainsi aux plantes de rester vigoureuses pendant leur croissance active.

Cal-Max™ favorise également la vigueur et la force des plantes pendant leurs périodes de croissance maximale, lorsque le calcium peut devenir un facteur limitant. Sa formule est conçue pour stimuler la circulation du calcium, un atout particulièrement important par fortes chaleurs et forte humidité, lorsque les plantes peuvent avoir des difficultés à absorber suffisamment de calcium, même lorsqu'il est présent dans le substrat. En plus de l'apport en calcium, le fer chélaté renforce les défenses naturelles contre les carences, assurant une croissance luxuriante et un feuillage vert intense, tout en améliorant la performance globale des plantes dans des conditions exigeantes.

Ce produit convient aux phases de croissance végétative et de floraison et est homologué pour les systèmes hydroponiques et hors-sol (tourbe/coco). Il est également adapté à une application foliaire lorsque la priorité est une récupération rapide après une carence en nutriments. Cal-Max™ est idéal pour les cultivateurs qui recherchent une solution directe et ciblée en minéraux pour corriger les carences, sans avoir à remanier complètement leur programme de fertilisation.

Cal-Max™ est composé de nitrate de calcium, de chlorure de calcium, de nitrate de magnésium et d'EDTA de fer, offrant un soutien ciblé en calcium, magnésium, azote et fer chélaté. Il est idéal pour les cultivateurs en hydroponie ou en substrat tourbe/coco qui recherchent une correction fiable des carences, une vigueur accrue pendant la période de croissance maximale et une croissance verte plus dense même lorsque les conditions rendent l'absorption plus difficile.

How To Use

How to Use Grotek Cal Max - 4 litres

Step-by-step mixing and feeding instructions for Grotek Cal Max - 4 litres.

Mixing & preparation

Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Grotek Cal Max - 4 litres 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 — Cal Max

  • Week 1: do not use this product during this week of vegetative growth.
  • Week 2: do not use this product during this week of vegetative growth.
  • Week 3: mix 1.25 ml per litre of water or nutrient solution.
  • Week 4: mix 1.25 ml per litre of water or nutrient solution.

Flowering stage — Cal Max

  • Week 1: mix 1.25 ml per litre of water or nutrient solution.
  • Week 2: mix 1.25 ml per litre of water or nutrient solution.
  • Week 3: mix 1.25 ml per litre of water or nutrient solution.
  • Week 4: mix 1.25 ml per litre of water or nutrient solution.
  • Week 5: mix 1.25 ml per litre of water or nutrient solution.
  • Week 6: mix 1.25 ml per litre of water or nutrient solution.
  • Week 7: mix 1.25 ml per litre of water or nutrient solution.
  • 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

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

Total Nitrogen (N) 2.0%
Total Calcium (Ca) 3.0%
Total Magnesium (Mg) 1.0%
Chelated Iron (Fe) 0.1%
EDTA (Chelating Agent) 0.68%

Frequently Asked Questions

What makes calcium chloride different from other calcium sources for plants?

Calcium chloride is different because it dissolves extremely fast and can deliver calcium quickly to new growth, which is where calcium problems show up first. It’s important because calcium supports strong new tissue and stable growth tips, but it’s unique because it also adds chloride and has higher salt strength, so it must be used carefully to avoid leaf burn or root-zone salt stress.

Why do growers use calcium nitrate instead of other calcium sources?

Calcium nitrate is important because it supplies calcium in a fast, highly available form that supports strong new growth and healthy root tips, while also providing nitrate nitrogen for steady, usable growth energy. It’s unique because it delivers calcium together with nitrate nitrogen, making it especially effective during rapid growth phases when plants need both structure-building calcium and immediately available nitrogen at the same time.

Why is chelated iron important for plants, and what makes it different from other iron sources?

Chelated iron is important because it keeps iron usable for plants even when growing conditions would normally lock iron out, helping prevent the classic yellow-new-leaf symptom caused by low chlorophyll production. It is unique from other iron sources because the chelation protects iron from becoming insoluble, making it a more reliable way to correct iron-related chlorosis when regular iron can fail.

Why is EDTA chelation important for plant nutrition, and what makes it unique?

EDTA chelation is important because it helps key micronutrients stay dissolved and available for roots instead of reacting, precipitating, or becoming locked out, which prevents common deficiency symptoms like pale new growth. It’s unique because it offers dependable micronutrient stability in mildly acidic growing conditions, making it especially useful for consistent feeding when pH is already well-managed.

Why is total calcium (Ca) important for plant growth, and what makes it different from other nutrients?

Total calcium is important because it builds strong cell walls and supports healthy new growth, roots, and overall plant stability. It’s unique because plants can’t easily move calcium from old leaves to new growth, so calcium problems show up first at the tips and newest leaves when delivery through water movement and transpiration falls behind.

Why is total magnesium (Mg) important for plant growth?

Total magnesium is important because magnesium powers chlorophyll and energy use, helping plants stay green, turn light into growth, and use other nutrients efficiently—and it’s unique because its problems often come from nutrient balance and uptake competition, not just a simple shortage.

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 makes iron EDTA effective for fixing pale new leaves?

Iron EDTA keeps iron dissolved and available long enough for roots to absorb it, which is why it can quickly improve new growth color when iron is tied up in the root zone. It’s unique because the EDTA chelate balances stability and accessibility, making iron more reliably usable in mildly acidic to near-neutral conditions compared to many non-chelated iron forms.

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.

Safety & Technical Documents

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Tableau des apports nutritionnels

Vegetative — Cal Max

Flowering — Cal Max

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