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Growth Booster Grotek
€116.44
€155.25
25%
5/5
(8 Ratings)
Grotek's Growth Booster is a highly concentrated growth stimulant that enhances vegetative development with just one dose. Its NPK 16-40-0 formula promotes stronger roots and larger leaves, achieving effective vegetative growth that drives vigorous and uniform development.
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Description
Grotek Growth Booster: Concentrated Growth Stimulator
Grotek Growth Booster is a highly concentrated powdered growth stimulator, designed to boost the vegetative growth of plants from the earliest stages. Thanks to its NPK 16-40-0 formula, it provides a powerful dose of phosphorus and nitrogen that stimulates the formation of strong roots, robust stems, and large leaves.
Its action is based on supplying an immediate energy boost that accelerates plant metabolism, maximizing nutrient absorption capacity and promoting balanced development. Ideal for cannabis crops and other demanding species, Growth Booster offers visible results with a single application, helping plants reach their maximum potential.
Thanks to its balanced and fast-absorbing formula, Growth Booster offers multiple benefits that optimize crop development:
- Stimulates rooting and vegetative development from the first weeks.
- Increases nutrient absorption capacity.
- Promotes a stronger structure, ready for flowering.
- Increases the overall density and vigor of the crop.
- Its single application per cycle simplifies management and prevents over-fertilization.
Composition and Usage Instructions
The composition of Growth Booster is based on a concentrated mineral formula with an NPK ratio of 16-40-0, making it an ideal fertilizer for the growth phase. Phosphorus (P) contributes to root development, while nitrogen (N) promotes abundant foliage and intense greenness.
| Element | Percentage | Main Function |
| Nitrogen (N) | 16% | Stimulates leaf and stem growth. |
| Phosphorus (P) | 40% | Promotes root development and subsequent flowering. |
| Potassium (K) | 0% | Not included to maintain balance during growth. |
For application, simply dissolve 1 g of Grotek Growth Booster per 10 liters of water and apply it only once during the growth phase, preferably when the plants have already developed their first true leaves. It is compatible with soil, coco, or hydroponic systems.
It is recommended not to mix Grotek Growth Booster with other fertilizers or stimulators during the same application. Keep the product in a cool, dry place, away from heat sources, and use gloves to avoid direct contact with skin or eyes. Additionally, it must be kept out of reach of children and pets.
Why Buy Grotek Growth Booster from GB The Green Brand?
Shopping at GB The Green Brand provides many advantages for our customers:
- Personalized advice from cultivation experts.
- Discreet and fast shipping.
- Exclusive and cumulative promotions and discounts.
- Wide range of Grotek products available to complete your fertilization plan.
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Usually joint purchase
Growth Booster Grotek
€116.44€
€155.25€
25%
20/09/2025
This stuff is amazing! My plants are shooting out leaves at full speed and the branches look incredible. Can it be used with autoflowering plants too? What crazy vigor!
Translated from Spanish
¡Esto es una pasada! Mis plantas están sacando hojas a gran velocidad y unas ramas que dan gusto. ¿Se puede usar con las autoflorecientes también? ¡Vaya vigor!
05/09/2025
My plants have never been so vigorous in the vegetative stage! Excellent branching and an intense green that is a wonder to see. Not long until switching to flowering, but I'm already thrilled with the result so far. Great product!
Translated from Italian
Le mie piante non sono mai state così vigorose in fase vegetativa! Ramificazioni eccellenti e un verde intenso che è una meraviglia. Manca poco per passare alla fioritura, ma sono già contentissimo del risultato finora. Ottimo prodotto!
21/08/2025
Seriously impressed with the growth! My plants are super bushy now, with loads of new leaves. Really simple to mix in, too.
01/07/2025
What a beast of a booster, my plants have shot up like crazy. Great!
Translated from Spanish
Vaya pepino de booster, mis plantas han pegado un estirón brutal. Genial!
23/06/2025
My plants grow much better with this booster, you can really tell the vigour.
Translated from Spanish
Mis plantas crecen mucho mejor con este estimulador, se nota bastante el vigor.
08/06/2025
I've used it and the plants grew super fast, very good development from the start.
Translated from Spanish
Lo he usado y las plantas han crecido rapidísimo, muy buen desarrollo desde el principio.
14/03/2021
Very professional website, serious and fast
Translated from French
Site très professionnel, sérieux et rapide
06/09/2020
Vegetative Growth Booster perfect
Translated from Spanish
Vegetative Growth Booster perfecto