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General Hydroponics RapidStart® est un stimulateur racinaire et un engrais liquide conçu pour favoriser la croissance des racines, tout en améliorant la vigueur et le rendement des plantes. Ce supplément de croissance racinaire aide les plantes à développer un système racinaire robuste, permettant ainsi d'obtenir des plantes plus grandes et plus vigoureuses lorsque la santé des racines est primordiale.
RapidStart® offre un puissant mélange d'extraits végétaux de première qualité, d'acides aminés et de nutriments, conçu pour favoriser un développement racinaire précoce et une vigueur racinaire durable. En soutenant un réseau racinaire robuste, il aide les plantes à rester stables durant les périodes de croissance intense et leur assure une meilleure performance globale. Ceci est particulièrement précieux lorsque l'on souhaite que l'énergie de la plante se traduise par une structure aérienne plus dense et plus saine.
General Hydroponics affirme que RapidStart® stimule la ramification racinaire et le développement de radicelles fines. Ces radicelles favorisent une meilleure absorption des nutriments, assurant ainsi une nutrition plus efficace des plantes à mesure que leur croissance s'accélère. Ce même soutien racinaire contribue également à la croissance de racines plus saines et plus blanches, renforçant l'aspect net et vigoureux recherché par les cultivateurs pour des jardins à haut rendement.
RapidStart® est conçu pour une application optimale tout au long de la phase de croissance végétative et jusqu'au début de la floraison, afin de favoriser un développement racinaire continu. Cette flexibilité lui permet de rester efficace même après les premiers jours de croissance, en soutenant la croissance des racines lorsque les plantes subissent des besoins plus importants. Pour les cultivateurs souhaitant maintenir un développement racinaire optimal, cet activateur d'enracinement est conçu pour être utile pendant tout le cycle de croissance.
Pour une information succincte, RapidStart® présente la composition 1-0,5-1. Sa formule contient des nutriments tels que du phosphate d'ammonium, du nitrate d'ammonium, du phosphate monopotassique et du nitrate de potassium, associés à des extraits de plantes et des acides aminés de qualité supérieure pour favoriser une croissance optimale au niveau des racines.
La polyvalence du substrat est un atout majeur. RapidStart® convient à la laine de roche, au terreau, à la fibre de coco, au mélange tourbe-léger, à la terre et à la culture hydroponique, permettant ainsi d'utiliser le même stimulateur de racines aussi bien en hydroponie qu'en culture traditionnelle. De plus, il est idéal pour les légumes, les herbes aromatiques, les fruits, les fleurs et autres cultures à haute valeur ajoutée, ce qui le rend pratique pour les jardins mixtes et les objectifs de production variés.
Ce produit convient parfaitement aux cultivateurs qui recherchent un stimulateur d'enracinement favorisant des réseaux racinaires robustes, une ramification racinaire abondante et des poils absorbants fins pour augmenter l'absorption des nutriments, notamment dans les systèmes de culture en coco, en laine de roche et en eau.
Step-by-step mixing and feeding instructions for Démarrage rapide General Hydroponics - 275 ml.
Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Démarrage rapide General Hydroponics - 275 ml 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.
Vegetative stage — Rapid Start
Flowering stage — Rapid Start
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.
| Total Nitrogen (N) | 1.0% |
|---|---|
| Ammoniacal Nitrogen (N) | 0.3% |
| Nitrate Nitrogen (N) | 0.7% |
| Available Phosphate (P2O5) | 0.5% |
| Soluble Potash (K2O) | 1.0% |
| Molybdenum (Mo) | 0.001% |
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.
Even in tiny amounts, molybdenum is crucial because it helps plants convert absorbed nitrogen, especially nitrate, into forms they can actually use to build new growth. That makes ammonium molybdate unique from many other micronutrient sources: it supports nitrogen-use efficiency, so a shortage can make plants look nitrogen-deficient even when feeding is adequate, leading to slow growth, pale leaves, and weak vigor unless the bottleneck is fixed.
Ammonium nitrate is unique because it provides nitrogen in two plant-usable forms at once, which can give a fast green-up while still supporting steadier uptake depending on the root-zone conditions. That matters because it can correct true nitrogen shortages quickly, but it also needs careful balance since too much can push overly soft growth and trigger pH drift and nutrient imbalances.
Available Phosphate (P₂O₅) supports root development, energy transfer, and early structural growth by providing a form of phosphorus that plants can absorb and use quickly.
Molybdenum is important because it helps plants convert nitrogen into usable building blocks for chlorophyll and growth, and it’s unique from many nutrients because it mainly supports enzyme-driven “nutrient use” rather than directly building plant tissue.
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.
Soluble potash (K2O) is important because it helps plants control water use, move sugars to new growth and fruit, and build stronger, higher-quality structure under stress. It’s unique from many other nutrients because it acts more like a regulator and transport helper than a direct “building material,” so the biggest benefits show up as steadier growth, stronger stems, and better finishing instead of just bigger leaves.
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.
Monopotassium phosphate provides fast phosphorus and potassium that support energy use, nutrient flow, and bloom development without adding nitrogen, so it helps flowering progress cleanly without pushing extra leafy growth. It’s unique because it delivers a focused PK boost in a highly soluble form, which can correct stage-related demand quickly, but it must be used carefully to avoid potassium-heavy imbalances that can block calcium and magnesium uptake.
Yes, it can if it pushes phosphorus too high or drives pH too low, because both conditions can reduce the plant’s ability to take up key micronutrients and calcium even when they’re present in the feed, which makes phosphoric acid uniquely powerful compared with slower, gentler phosphorus sources.
Potassium nitrate is often better for quick correction when the plant needs both potassium and fast nitrate nitrogen, because it dissolves cleanly and is taken up quickly, unlike potassium sources that don’t supply nitrogen. It’s unique because it can restore leaf color and growth momentum while also improving water regulation, but it can backfire if nitrogen is already high or if salt levels are already stressing the roots.

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