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
$0.00 CAD
This product may offer additional benefits beyond those listed.
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
106 Saunders Road, Unit #2A
Barrie, ON L4N 9A8
719 Krosno Boulevard
Pickering, ON L1W 1G4
915 McLeod Avenue, Unit #4
Winnipeg, MB R2G 0Y4
This product may offer additional benefits beyond those listed.
Dutch Nutrient Veg Fortifier 12-40-12 is a vegetative-stage plant growth supplement for the grow stage, made to stimulate plant growth and support robust and vigorous root growth. It’s a grow-stage plant growth fortifier that strengthens early performance when plants are building structure and momentum.
This veg fortifier is designed around one clear goal: stronger establishment through the root zone. By supporting robust and vigorous root growth, it helps plants develop a more reliable foundation for active vegetative growth. When roots are pushing well, overall growth tends to look steadier and more confident, which is exactly what a focused grow-stage supplement should deliver.
Above the medium, Dutch Nutrient Veg Fortifier is intended to create lush green foliage and bigger brighter leaves, helping the canopy look fuller and healthier as vegetative growth progresses. Those foliage benefits matter most when you’re trying to keep growth consistent through the grow stage, especially after a successful transplant when plants are settling in and you want dependable forward progress without setbacks.
Structure support is another defining feature. This product is intended to increase branches and increase flower sites, reinforcing a more developed plant framework as veg continues. More branching potential can help build a stronger plant shape and better overall development through the vegetative window, while keeping the focus on plant-visible results rather than complicated extras.
Dutch Nutrient Veg Fortifier is described as containing water soluble organic compounds, included to support the vigorous root growth and overall plant growth response the product is known for. The nutrient analysis is 12-40-12, presented here as a compact facts layer to help shoppers match the product to their goals without turning the description into a label-style breakdown.
This is a good fit for growers who want a vegetative-stage plant growth supplement for the grow stage, especially around the period after a successful transplant, with benefits centered on stimulating plant growth, robust and vigorous root growth, lush green foliage, bigger brighter leaves, and increased branching and flower site potential.
Step-by-step mixing and feeding instructions for Dutch Nutrient Veg Fortifier - 500 Grams.
Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Dutch Nutrient Veg Fortifier - 500 Grams 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 — Veg Fortifier
Flowering stage — Veg Fortifier
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) | 12.0% |
|---|---|
| Available Phosphate (P2O5) | 40.0% |
| Soluble Potash (K2O) | 12.0% |
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.
Dipotassium phosphate provides fast, plant-available phosphate and potassium, which supports energy transfer for root and growth processes while improving water control and sugar movement through the plant. It’s important because these two nutrients work together to keep growth steady, but it’s also unique because it can raise root-zone pH compared with similar phosphate sources, so the same dose that helps vigor can also cause micronutrient lockouts if balance and pH stability are ignored.
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.
Kelp extract supports plant growth by acting as a biostimulant that helps roots stay active, improves stress tolerance, and encourages steadier new growth without functioning like a heavy fertilizer. It’s unique because it influences plant processes and recovery more than it supplies major nutrients, so it works best as supportive “management help” rather than a direct N-P-K replacement.
Monoammonium phosphate feeds roots with phosphate for energy transfer and ammonium nitrogen for fast tissue building, which is why it can boost early rooting and growth more quickly than many other phosphorus sources. It’s unique because the ammonium portion can change root-zone pH and nutrient availability, so using it correctly supports roots, but overusing it can trigger imbalances that look like other deficiencies.
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.
Potassium sulfate is often preferred because it supplies potassium without added chloride and also provides sulfur, which supports protein-building and efficient nutrient use, making it a cleaner, balanced option when plants are sensitive to chloride or when you want potassium without pushing extra nitrogen or phosphorus.

1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
106 Saunders Road, Unit #2A
Barrie, ON L4N 9A8
719 Krosno Boulevard
Pickering, ON L1W 1G4
915 McLeod Avenue, Unit #4
Winnipeg, MB R2G 0Y4