Présentation du produit
Metrop Root+ Plant Root Stimulator
Opinion from an expert grower:
"The Metrop Root+ has revolutionized the health of my plants by strengthening their root systems. An invaluable asset for any serious gardener."
Metrop Root+ Root and Plant Growth Stimulator is a high quality plant extract containing all the stimulating enzymes and vitamins necessary for root system and plant growth in any medium.
Metrop Root+ features:
Metrop Root+ is composed of enzymes from the Oxidoreductase, Transferase and Ligase groups, catalyzing trunk and root growth. This accelerates the transfer of ions and the binding of minerals to organic elements, increasing mineral intake and the bioavailability of zinc, calcium, magnesium and iron. Enzymes are essential to all cellular functions, contributing to better growth, more intense color and stronger plants.
Manual:
From the 1st day of growth, administer Metrop Root+ daily for 3 weeks. Water as needed, being careful not to overdose. Store the product in a dark place protected from frost. In case of contact with eyes in concentrated form, rinse immediately. Shake the container well and keep out of reach of children. Metrop Root+ is biodegradable.
Available in different sizes:
Metrop Root+ is available in two convenient sizes: 250 ml and 1 liter, to meet your specific needs as a grower.
Questions/Answers area:
Q1: Can Metrop Root+ be used with other nutrients from the same brand?
A1: Yes, Metrop Root+ is compatible with other Metrop products and can be used in conjunction for optimal results.
Q2: How often should you water with Metrop Root+?
A2: Water daily for 3 weeks from the first day your plants grow, depending on their water needs.

Caractéristiques détaillées
| Marque | METROP |
| Growing medium compatibility | All substrates |
| Fonction | Racinaire |
Customer reviews
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Product questions
Your questions about this product
- What is the average gain in root biomass measured after 3 weeks of daily use of Metrop Root+ compared to an untreated control?There is no precise data on the average gain in root biomass after 3 weeks of daily use of Metrop Root+ compared to an untreated control. This product is known to stimulate root formation and improve stress resistance, but no specific quantitative figure after 3 weeks is documented. However, its use generally contributes to more vigorous root growth.
- Can the Metrop Root+ root stimulator be used on my orchids to promote continuous flowering throughout the year, and is there a risk of overdose that could harm these sensitive plants?The Metrop Root+ root stimulator is effective for promoting healthy root growth and strengthening plant resistance, including orchids. However, it is not specifically designed to guarantee continuous flowering throughout the year. It is important to follow the recommended dosage (0.5 to 2 ml/L) because overdosing can damage orchid roots, which are quite sensitive. For optimal flowering, combine proper fertilization adapted to orchids, appropriate lighting, and a well-controlled environment.
- Compatibility of Metrop Root+ with automated irrigation systems? Can Metrop Root+ be integrated into a fertigation or automated irrigation system for precise and regular administration of enzymes without the risk of degrading their biochemical properties?The compatibility of Metrop Root+ with an automated irrigation system is entirely feasible. However, it is necessary to maintain a precise dosage (0.8 ml/L for irrigation) and ensure that your system has a dosing pump capable of administering small quantities without altering the active enzymes. To preserve its biochemical properties, it is also recommended to dose the product just before application and to store Metrop Root+ away from heat and light. This way, you will take full advantage of its effectiveness in your fertigation or automated irrigation system.
- What is the average gain in root biomass (%) with Metrop Root+ compared to a treatment without stimulant over 3 weeks?
There are no precise published data regarding the average percentage gain in root biomass with Metrop Root+ compared to a treatment without stimulant over a period of three weeks. This stimulant is known to promote explosive root formation and increase the production of root hairs, thus contributing to better resistance to diseases and stress, but without exact quantitative figures available.
For quantitative information, it may be interesting to look towards trials or experimental studies conducted by professionals or passionate amateurs, who may objectively measure this effect.
- What optimal concentration of Metrop Root+ do you recommend for watering under LED to avoid overloading the enzymes and maximize root growth in SCROG?
For watering under LED lighting using the SCROG technique, the optimal concentration of Metrop Root+ is approximately 0.8 ml per liter of water, applied daily from the first day of growth for about 3 weeks. This dosage effectively stimulates essential enzymes (Oxidoreductase, Transferase, Ligase) to maximize root growth without the risk of enzymatic overload.
It is crucial not to exceed this concentration to ensure a harmonious root metabolism, perfectly suited to the requirements of indoor cultivation under LED.
- How to adjust the dosage of Metrop Root+ according to the precise growth stage to avoid overdosing while optimizing root vigor?
To optimize root vigor with Metrop Root+ while avoiding overdosing, it is crucial to adapt the dosage according to the growth stage. During the first three weeks of growth, apply 0.8 ml per liter of water at each watering. After transplantation, a single application of 0.8 ml/L is sufficient to promote root recovery and limit stress. Beyond this period, it is preferable not to continue daily use, except in case of particular stress.
Avoid foliar application during the initial phase, which remains secondary. This simple protocol maximizes the formation of fine roots, improves the absorption of essential minerals, and strengthens the natural resistance of your plants.
- Can Metrop ROOT+ be used in micro-culture on inert substrate without the risk of overdosing or phytotoxicity?
The root stimulator Metrop ROOT+ is perfectly suited for micro-culture on inert substrates. Its recommended maximum dosage is 80 ml for 100 liters of water in hydroponics or substrate, and it is advised to use it mainly during the first 3 weeks of growth. This product, rich in specific enzymes, promotes good root development without aggressive chemical additives.
Provided that these dosages are strictly followed, there is no notable risk of overdosing or phytotoxicity. It is an ideal choice to support the vigor of young plants in miniature cultivation systems, particularly in micro-culture.
- Compatibility of Metrop Root+ with organic substrates for micro-culture?
Metrop Root+ is a highly effective root stimulator, compatible with a wide range of media, including organic soils and technical substrates like coco or hydroponics. For micro-culture on organic substrates, its use is possible, but it is advised to adjust the doses according to the specific needs of your plants to avoid excess.
This adaptability makes Root+ a versatile choice to promote healthy root growth indoors, while remaining attentive to the particularities of your substrate and culture.
- Can Metrop Root+ be used simultaneously on two different crops in parallel without the risk of overdose or cross-reactions between the plants?It is entirely possible to use Metrop Root+ simultaneously on two different crops in parallel. This stimulator acts locally on the root system without causing cross-reactions between species. The important thing is to strictly adhere to the recommended dosages for each crop to avoid any risk of overdose or adverse effects. Since each plant may have specific needs, always adjust the quantities according to the growth and requirements of your crops.
- Has Metrop Root+ undergone independent testing proving a lasting improvement of the root system without the risk of overdose or stress trigger in the plant?
The root stimulator Metrop Root+ is recognized for effectively promoting the growth and robustness of the root system thanks to its specific enzymes and vitamins. However, to date, no independent testing has officially validated a lasting improvement of the root system without the risk of overdose or stress.
To ensure the optimal health of your plants, it is essential to strictly adhere to the recommended doses and application frequency. This precaution allows you to fully benefit from Root+ while avoiding the risks associated with excessive use.
- Can Metrop Root+ improve the effectiveness of lasting stretch training when used at the beginning of growth under intense LED lighting?
Metrop Root+ is a biological root stimulant, highly effective in promoting root development and plant health, especially under intense LED lighting. It works by improving nutrient absorption and enhancing the natural resistance of plants.
On the other hand, lasting stretch training is a human physical training technique, unrelated to plant care or cultivation. Therefore, the use of Metrop Root+ cannot influence or improve this stretching method.
In summary, Metrop Root+ is an excellent ally for the root growth of your plants, but it has no interaction or effect on fitness practices like lasting stretch training.
- What are the average yield gains (%) on plants treated with Metrop Root+ compared to traditional watering without a stimulator?
Metrop Root+ is a powerful root stimulator that promotes accelerated root growth and better absorption of essential minerals, thereby improving the health and robustness of plants. This increased root stimulation can enhance the overall vigor of the plant and its yield potential.
However, no precise study provides an average yield gain expressed in percentage terms compared to simple watering without a stimulator. The effects also depend on growing conditions and treated species.
In summary, Metrop Root+ optimizes root quality and plant resilience, a key factor for better development, but an exact figure on yield gain is not available.
- What is the precise recommended dosage to avoid any risk of overdose with Metrop Root+ during the 3 weeks of daily application?The precise recommended dosage for Metrop Root+ (root stimulator - ROOT+) is 0.8 ml per liter of water. This dosage should be applied daily from the first day of growth and throughout the entire 3-week usage period.
It is essential not to exceed this dose, as Metrop Root+ is a concentrated product that stimulates root growth through enzymatic and mineral action. An overdose could excessively amplify the effects of other treatments and compromise plant health.
By adhering to this dosage, you will ensure optimal root stimulation without the risk of phytotoxicity or negative effects related to overdose.
- What precise dose do you use for Metrop Root+ during daily watering to avoid overdosing that could harm the plants?
To use Metrop Root+ (Root Stimulator - ROOT +) without risking overdosing, the recommended precise dose is 0.8 ml per liter of watering water. This amount should be added to each daily watering, ideally from the start of growth until about the third week.
Adhering to this dose effectively stimulates root development and root hair production while avoiding any stress or damage to your plants. For substrate or hydroponic crops, this is also the maximum recommended dose.
- Has Metrop Root+ been tested in real intensive gardening conditions and does it guarantee a visible acceleration of root growth without the risk of overdose or side effects on plants?The root stimulator Metrop Root+ contains specific enzymes that accelerate root development by optimizing the absorption of essential minerals. Many users report visible root growth and a strengthened root system in real conditions, although no formal scientific studies in intensive gardening have been officially published.
- What precise dose of Metrop Root+ do you recommend to avoid enzyme overload while optimizing root growth in a hydroponic system?
To optimize the root growth of your plants in hydroponics with the Metrop Root+ stimulator while avoiding enzyme overload, we recommend a dose between 0.5 and 0.8 ml per liter of water. This range provides effective root stimulation without the risk of enzymatic excess.
Apply this dosage daily from the beginning of growth and during the first three weeks to ensure vigorous root development, better production of absorbing hairs, and increased resistance to stress and diseases.
Be careful not to exceed 0.8 ml/L (i.e., 80 ml for 100 liters of water) to avoid any phytotoxicity or enzyme overload, even though the product is generally well-tolerated in the right proportions.
- What precise dose of Metrop Root+ do you recommend for 1 liter of water to optimize the root system without overdosing?To optimize the root system with Metrop Root+, it is recommended to use a precise dose of 0.8 ml per liter of water. This concentration should be applied mainly during the first three weeks of growth, with each watering, to promote the development of fine roots and enhance plant resilience.
After transplanting, a single application at this dose is sufficient to assist root recovery and limit stress. It is important not to exceed this dose to avoid any risk of phytotoxicity or negative effects on root metabolism.
In summary, 0.8 ml/L is the ideal dose to effectively stimulate roots without overdosing.
- Exact start mode to avoid overdose and exceeding three weeks with Metrop Root+?
To use Metrop Root+ (Root Stimulator - ROOT +) without the risk of overdose or exceeding the recommended duration, it is important to follow the protocol below:
- Exact dosage: 0.8 ml per liter of water for watering.
- Frequency: apply every day, starting from the beginning of the growth phase.
- Duration: do not exceed 3 weeks of continuous application.
This method ensures healthy root stimulation without risking plant fatigue or creating an enzymatic imbalance. Do not extend usage beyond 3 weeks to avoid any negative effects.
Finally, store the product away from light and frost to preserve its effectiveness.
- How to optimize the dose of Metrop Root+ to avoid overdosing while maximizing root growth?
To optimize the dose of Metrop Root+ and avoid any risk of overdosing, it is essential to adhere to a precise concentration: 0.8 ml per liter of water. Applied daily from the start of growth for about 3 weeks, this dosage effectively stimulates root formation and the production of root hairs, while also enhancing resistance to diseases and stress.
Be careful to never exceed this dose during each watering, as overdosing could disrupt the plant's enzymatic balance and negatively affect root health. Regular and precise use thus provides optimal root development without the risk of toxicity.
- What precise dose of Metrop Root+ do you recommend using per liter of water to optimize root growth without risking overdose, especially in hydroponic substrates?To optimize root growth with Metrop Root+ in hydroponic substrates, it is advisable to use a precise dose of 0.8 ml per liter of water. This dose, applied daily for the first three weeks, effectively stimulates the roots without the risk of overdose or stress to the plants.
It is important not to exceed this concentration, even though the recommended range can go from 0.5 to 2 ml/L. This caution ensures optimal and harmonious root development from the beginning of the cultivation.








