Skip to product information
1 of 1
Athena Nutrients US flag

Official Reseller

Provision Gardens is an official reseller of this brand.

Our inventory is sourced directly from the manufacturer and/or authorized distribution partners. We do not sell used items or unverified/old stock. This helps ensure product authenticity, freshness, and the high standard you expect.

Athena Nutrients Blended Line Grow B - 1 Gallon

Regular price $52.99
Regular price Sale price $52.99
Shipping calculated at checkout.

OTHER AVAILABLE SIZES / MODELS:

Store Availability
Estimated Delivery Date
Order Within
Province
Est. Delivery
Choose your province
Quantity
Not Eligible for Free Shipping

Manufacturer Recommended Products

Description

Description
Athena Nutrients Blended Line Grow A and B is a 2-part vegetative nutrient and liquid mineral fertilizer for the vegetative stage of growth, built to support robust vegetative growth in non-flowering plants. As a two-part base fertilizer, it’s designed to give plants a clean, consistent nutrition foundation when you want steady development and predictable results in a straightforward program.

Grow A and Grow B are formulated around balanced mineral ratios and essential nutrients that create conditions for optimal plant development. The formula is positioned to support the vegetative stage of growth with additional nitrogen for lush foliage, keeping the focus on healthy-looking vegetative growth without unnecessary extras. If you want a veg-focused base that stays simple, Grow A and B are built for that role.

This pairing is also designed as a sediment-free formula, which matters when you prioritize clean handling in active irrigation setups. Athena describes it as suited to dosing and irrigation systems, including fine dripper heads, so it fits growers who rely on consistent delivery through lines and emitters. The label also specifies hydroponic use only, making this a clear match for hydroponic systems where mineral consistency and cleanliness are key buying factors.

Here’s the compact facts layer many growers want upfront: Grow A is 4-0-1 and Grow B is 1-3-5. The inputs are mineral nutrient salts and chelated micronutrients, including calcium ammonium nitrate and potassium nitrate, phosphate sources such as monopotassium phosphate and monoammonium phosphate, magnesium nitrate and magnesium sulfate, plus chelates like iron EDDHA and iron EDTA alongside zinc EDTA, manganese EDTA, and copper EDTA, with supporting trace inputs such as boric acid and sodium molybdate.

This is a good fit for hydroponic growers who want a 2-part vegetative nutrient with balanced mineral ratios, a sediment-free formula designed for fine dripper heads, and a clean two-part base fertilizer that supports robust vegetative growth and lush foliage through the vegetative stage of growth.
How to use
Vegetative stage - Grow B:
- Week 1: mix 2.9 ml per litre of water or nutrient solution.
- Week 2: mix 2.9 ml per litre of water or nutrient solution.
- Week 3: mix 2.9 ml per litre of water or nutrient solution.
- Week 4: mix 2.9 ml per litre of water or nutrient solution.

Flowering stage - Grow B:
- Week 1: do not use this product during this week of flowering.
- Week 2: do not use this product during this week of flowering.
- Week 3: do not use this product during this week of flowering.
- Week 4: do not use this product during this week of flowering.
- Week 5: do not use this product during this week of flowering.
- Week 6: do not use this product during this week of flowering.
- Week 7: do not use this product during this week of flowering.
- Week 8: do not use this product during this week of flowering.
- Week 9: do not use this product during this week of flowering.
Product benefits
Vegetative Stage; Indoor; Outdoor; Regular Watering; Watering Systems; Hydroponics; Coco Coir Safe; Soil; Soilless; Growth Support; Essential Minerals; Balanced Growth Nutrition; Plant Vigor; Extra Nitrogen; Lush Foliage; Clean Sediment-Free Formula; Dripper Friendly.
Guaranteed analysis
Total Nitrogen (N): 1.0%; Nitrate Nitrogen (N): 0.2%; Ammoniacal Nitrogen (N): 0.8%; Available Phosphate (P2O5): 3.0%; Soluble Potash (K2O): 5.0%; Water Soluble Magnesium (Mg): 0.89%; Sulfur (S): 1.3%; Chelated Copper (Cu): 0.005%.
Derived from
Monopotassium Phosphate; Potassium Nitrate; Copper EDTA; Magnesium Sulfate; Monoammonium Phosphate.

How To Use

How to Use Athena Nutrients Blended Line Grow B - 1 Gallon

Step-by-step mixing and feeding instructions for Athena Nutrients Blended Line Grow B - 1 Gallon.

Mixing & preparation

Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Athena Nutrients Blended Line Grow B - 1 Gallon 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.

Week-by-week feeding schedule

Vegetative stage — Grow B

  • Week 1: mix 2.9 ml per litre of water or nutrient solution.
  • Week 2: mix 2.9 ml per litre of water or nutrient solution.
  • Week 3: mix 2.9 ml per litre of water or nutrient solution.
  • Week 4: mix 2.9 ml per litre of water or nutrient solution.

Flowering stage — Grow B

  • Week 1: do not use this product during this week of flowering.
  • Week 2: do not use this product during this week of flowering.
  • Week 3: do not use this product during this week of flowering.
  • Week 4: do not use this product during this week of flowering.
  • Week 5: do not use this product during this week of flowering.
  • Week 6: do not use this product during this week of flowering.
  • Week 7: do not use this product during this week of flowering.
  • Week 8: do not use this product during this week of flowering.
  • Week 9: do not use this product during this week of flowering.
Tips for best results
  • Maintain pH and EC/ppm within the range recommended for your growing medium and crop.
  • Use fresh nutrient solution whenever possible and avoid leaving mixed solution stagnant for long periods.
  • Store nutrients in a cool, dark place away from direct sunlight and extreme temperatures.
  • Keep bottles tightly sealed when not in use to reduce air exposure and preserve product quality.
  • Use clean measuring tools and regularly rinse or clean your reservoir, lines, and irrigation equipment.
Common mistakes to avoid
  • Do not mix different nutrients or additives together in concentrated form before adding them to water.
  • Do not exceed the recommended dosage unless you are following a tested, crop-specific feeding plan.
  • Do not skip pH or EC/ppm checks when growing in hydroponic or soilless systems.
  • Do not allow the nutrient solution to freeze or overheat, as this can damage the formulation.
  • Do not ignore the directions on the product label for your specific crop, growth stage, and system type.

Warnings & Safety

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

IF SWALLOWED: Rinse mouth thoroughly with water. Do not induce vomiting unless instructed by a medical professional. Seek medical attention if you feel unwell.

First aid – Inhalation

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 – Medical

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.

Frequently Asked Questions

Why is total nitrogen (N) important for plant growth, and what makes it different from other nutrients?

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.

What does nitrate nitrogen (N) do for plants?

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.

What Is ammoniacal nitrogen (N) and why do plants need It?

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.

What does available phosphate (P₂O₅) do for plant growth?

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.

Why is soluble potash (K2O) important for plants?

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.

Why is water soluble magnesium important for plant growth?

Water soluble magnesium is important because it quickly restores the plant’s ability to make chlorophyll and produce energy, which helps stop interveinal yellowing on older leaves and improves overall nutrient use; it’s unique because it becomes available immediately in water, making it faster and more predictable than slower magnesium sources.

Why is sulfur (S) important for plant growth?

Sulfur is important because plants need it to build key amino acids and proteins that drive real growth, strong structure, and efficient use of nitrogen, making it uniquely different from “look-alike” nutrients that may change leaf color without supporting the plant’s core building process.

Why is chelated copper (Cu) important for plant growth, and what makes it unique from other micronutrients?

Chelated copper is important because it supports key enzyme systems that drive energy flow, strong tissue formation, and healthy new growth, while chelation keeps copper available and stable in the root zone. It’s unique because plants need it in extremely small amounts and it can become unavailable or toxic more easily than many other micronutrients, so chelated forms help deliver precise, predictable copper without big swings.

Why is copper EDTA used in plant nutrition instead of plain copper?

Copper EDTA helps keep copper dissolved and available to roots longer, so plants can absorb it more consistently when copper would otherwise tie up in the growing medium. It’s important because copper supports enzyme activity and healthy new growth, and it’s unique because the chelate improves predictability while allowing very small, controlled copper dosing.

What does monopotassium phosphate do for flowering plants?

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.

Is potassium nitrate better for quick deficiency correction than other potassium 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.

What does magnesium sulfate do for plants?

Magnesium sulfate supplies magnesium for chlorophyll and sugar movement plus sulfur for protein building, helping plants stay efficient and green during high-demand growth. It’s unique because it adds magnesium without extra nitrogen or calcium, so it corrects magnesium issues with fewer side effects when balance is the real goal.

What does monoammonium phosphate actually do for plant roots?

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.

View full details
Nutrient Feed Chart

Vegetative — Week 1

  1. Grow A
  2. Grow B
  3. Bloom A
  4. Bloom B
  5. PK
  6. CaMg
  7. Cleanse

Flowering — Week 1

  1. Grow A
  2. Grow B
  3. Bloom A
  4. Bloom B
  5. PK
  6. CaMg
  7. Cleanse

Product Comparison