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
Out of stock at your chosen pickup location? We'll automatically transfer inventory from another location so it's ready at your selected pickup location. (Ontario Only)
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
Advanced Nutrients B-52® is a premium biostimulant and plant biostimulant built to support plant strength and performance through vegetative stage and blooming stage. It’s centered on a B-vitamin complex plus an essential nutrient blend, giving plants extra support when you want steady development and resilient structure.
B-52® features vitamin B1, which is described for supporting photosynthesis and respiration. That same support is also positioned around abiotic environmental stressors, helping plants stay productive when conditions are less than ideal. The formula also includes kelp, highlighted for strengthening the root zone and fortifying plants from abiotic stress for uninterrupted growth.
To round out the root-zone benefits, B-52® includes humic acid. It’s described as stimulating microbial activity in root zone while assisting in nutrient uptake, which helps explain why this product is often chosen when growers want a stronger foundation under active growth. Alongside its biostimulant profile, B-52® carries a mild 2-1-4 nutrient profile to complement the broader plant-support role.
For setup flexibility, B-52® is positioned for indoor / outdoor gardens and is marked for hydroponics, regular watering, and watering systems. It is specially designed for diverse hydroponic growing media and continuous liquid-feed growing systems such as aeroponics, drip irrigation and emitters, nft, flood and drain, and deep water culture. It’s also listed as coco coir safe, with suitability noted for foliar application.
This is a good fit for growers who want a B-vitamin complex biostimulant that supports sturdier stalks and stems, stronger root-zone performance, and more consistent momentum from vegetative stage into blooming stage, across a wide range of systems.
Step-by-step mixing and feeding instructions for Advanced Nutrients B-52 Fertilizer Booster - 250 ML.
Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Advanced Nutrients B-52 Fertilizer Booster - 250 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 — B-52
Flowering stage — B-52
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.
| Ascophyllum Nodosum | 0.4% |
|---|---|
| Monopotassium Phosphate (P2O5) | 1.0% |
| Total Nitrogen (N) | 2.0% |
| Nitrate Nitrogen (N) | 0.5% |
| Water Soluble Nitrogen (N) | 1.5% |
| Thiamine Hydrochloride (Vitamin B1) | 0.18% |
| Riboflavin (Vitamin B2) | 0.007% |
| Niacin (Vitamin B3) | 0.05% |
| Pantothenic Acid (Vitamin B5) | 0.03% |
| Pyridoxine (Vitamin B6) | 0.03% |
| Humic Acid | 0.051% |
| Fulvic Acid | 1.9% |
Ascophyllum nodosum supports stronger root growth, improves stress resistance, enhances nutrient uptake, and helps plants maintain balanced, steady development throughout their entire growth cycle.
Fulvic acid is important because it helps nutrients stay available and move more efficiently into the plant, which can improve overall nutrient use and reduce hidden micronutrient issues. What makes it unique is its small, highly soluble structure that supports fast nutrient delivery differently than broader organic soil-building materials.
Humic acid is important because it improves root health and nutrient uptake by keeping minerals available, stabilizing the root zone, and supporting beneficial biology, which makes growth more consistent. It’s unique because it doesn’t act like a direct nutrient boost—its main power is improving the root environment so plants can use what’s already there more efficiently.
Monopotassium phosphate is important because it delivers fast, usable phosphorus and potassium that support root energy, nutrient movement, and flower or fruit development, especially during high-demand stages. It’s unique from many other phosphorus sources because it boosts phosphorus without adding nitrogen or calcium, making it a cleaner way to fine-tune P and K without pushing extra leafy growth or creating harder mixing conflicts.
Niacin helps plants run key energy and stress-recovery reactions, so they can convert light, water, and nutrients into steady growth more efficiently; it’s unique because it supports metabolism and resilience rather than acting as a direct “building-block” nutrient.
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.
Pantothenic acid supports plant metabolism by helping the plant convert sugars and nutrients into usable energy and repair materials, which is especially important during rooting, transplant recovery, and stress. It’s unique because it’s not a “bulk nutrient” like N-P-K—its main role is helping the plant use resources efficiently, not simply providing more resources.
Vitamin B6 supports key enzyme processes that help plants manage stress, use amino acids efficiently, and recover with steadier growth—making it unique because it strengthens internal metabolism rather than acting like a primary “feed” nutrient.
Riboflavin helps plants run key energy and stress-management reactions inside their cells, supporting steadier growth and recovery during challenging conditions. It’s unique because it supports enzyme-driven metabolism and resilience rather than acting like a traditional nutrient that directly builds plant tissue.
Thiamine hydrochloride can support plant recovery by helping key metabolic pathways that turn sugars into usable energy during repair, making it uniquely helpful after stress because it supports internal energy handling rather than acting like a typical fertilizer nutrient.
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.
Water-soluble nitrogen is important because it dissolves in water and becomes available to plants quickly, helping drive fast green growth, strong photosynthesis, and rapid recovery from nitrogen deficiency. It’s unique because it works immediately rather than relying on slow breakdown or conversion, so it delivers faster results—but also requires more careful control to avoid overfeeding, soft growth, or nutrient imbalance.
Plants may benefit from Ascophyllum nodosum when they show slow recovery after transplanting or pruning, uneven new growth, mild wilting during heat or light swings, or repeated “stall” periods even when feeding looks adequate. It’s unique because it helps the plant handle stress and regulate growth processes, so the goal is steadier roots and more consistent development rather than a quick nutrient-driven boost.
Leonardite helps roots by improving the root zone’s ability to hold and deliver nutrients and moisture more smoothly, making uptake steadier instead of swingy. It’s unique because it mostly conditions the soil system through humic substances rather than directly feeding the plant like a typical nutrient source.
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.
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.
Pyridoxine, also called vitamin B6, supports key enzyme reactions that help plants process amino acids and build proteins, which is essential for steady growth and recovery. It’s important because it improves how efficiently a plant uses the nutrients and energy it already has, and it’s unique because it works as a metabolic cofactor rather than acting like a fertilizer nutrient or a growth hormone.
Thiamine hydrochloride can support plant recovery by helping key metabolic pathways that turn sugars into usable energy during repair, making it uniquely helpful after stress because it supports internal energy handling rather than acting like a typical fertilizer nutrient.

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