• Athena Nutrients Pro Line Bloom - 5 Lb
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Product benefits

  • Bloom Support
  • Extra PK Support
  • Bulkier Blooms
  • Sulfur Support
  • Fully Water Soluble
  • Dripper Friendly
  • Consistent Results
  • Balanced Bloom Nutrition

This product may offer additional benefits beyond those listed.

Frequently purchased together

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Athena Nutrients Pro Line Bloom - 5 Lb

Flowering Stage Indoor Outdoor Regular Watering Watering Systems Hydroponics Coco Coir Safe Soil Soilless
$49.99
$49.99
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OTHER AVAILABLE SIZES / MODELS:

5 Lb 25 Lb
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Manufacturer Recommended Products

These manufacturer-recommended products are designed to be used with this product for proper performance and best results. In multi-component systems, all recommended components should be used together as directed to help ensure effective use.

Product benefits

  • Bloom Support
  • Extra PK Support
  • Bulkier Blooms
  • Sulfur Support
  • Fully Water Soluble
  • Dripper Friendly
  • Consistent Results
  • Balanced Bloom Nutrition

This product may offer additional benefits beyond those listed.

Description
Athena Nutrients Pro Line Bloom, Grow, Core is a dry soluble fertilizer trio designed to cover vegetative growth and flowering with clean, mineral-only nutrition for professional irrigation programs. This soluble mineral fertilizer set is built around clear roles: a soluble base fertilizer for baseline nutrition, a soluble vegetative fertilizer for early development, and a soluble flowering fertilizer for productive bloom.

Pro Core is the foundation piece, built to provide baseline nutrition across all stages of plant growth with readily available nitrogen, calcium, and essential microelements. That combination supports core plant functions like chlorophyll and amino acid formation, structural development, and the enzyme activity tied to photosynthesis. When you want a dependable nutrient backbone that stays consistent from start to finish, Pro Core keeps the focus on steady fundamentals rather than extras.

Pro Grow is focused on the vegetative growth stage, where well-rounded nutrition supports strong roots and lush foliage. It’s described as a soluble fertilizer blend formulated for commercial cultivators to streamline irrigation, with balanced NPK and essential microelements as part of the Pro Line approach. Athena also calls out a formulation choice: Pro Grow contains essential nitrogen for vegetative growth while containing no urea or ammoniacal nitrogen, keeping the nitrogen profile straightforward for professional programs.

Pro Bloom is built for flowering plants that demand higher phosphorus and potassium to increase flower bulk and support high metabolic activity. It’s positioned as an ideal flowering fertilizer blend that contributes macro- and micro-elements, including sulfur that Athena associates with increasing flavors. For growers who want a clean bloom-phase profile, Pro Bloom stays centered on flowering nutrition and sulfur-supported finish character, without leaning on separate boosters.

Across the line, the practical differentiator is cleanliness: each product is a fully soluble dry fertilizer with no particulates or sediment, designed to keep the formulation uniform and easy to handle in large-scale routines. The Pro Line positioning emphasizes a complete formula built to reduce deficiency chasing, with mineral-only inputs and a streamlined approach meant for professional fertigation environments.

The compact facts layer is clear on packaging: Pro Core is 14-0-0, Pro Grow is 2-8-20, and Pro Bloom is 0-12-24. Key inputs across the trio include calcium nitrate and a microelement chelate package in Core (iron, manganese, copper, and zinc chelates plus boric acid and sodium molybdate), and phosphate, sulfate, and magnesium sources in Grow and Bloom, with Grow also including potassium nitrate. This set is a good fit for professional growers who want a dry soluble fertilizer program with clean dissolution, essential microelements, and phase-specific support for vegetative growth and flowering.

Product benefits: Flowering Stage; Indoor; Outdoor; Regular Watering; Watering Systems; Hydroponics; Coco Coir Safe; Soil; Soilless; Bloom Support; Extra PK Support; Bulkier Blooms; Sulfur Support; Fully Water Soluble; Dripper Friendly; Consistent Results; Balanced Bloom Nutrition.

Guaranteed analysis: Available Phosphate (P2O5): 12.0%; Soluble Potash (K2O): 24.0%; Total Magnesium (Mg): 3.0%; Sulfur (S): 9.0%; Chelated Iron (Fe): 0.1%.

Derived from: Monopotassium Phosphate; Potassium Sulfate; Magnesium Sulfate; Iron DTPA.

How To Use

How to Use Athena Nutrients Pro Line Bloom - 5 Lb

Step-by-step mixing and feeding instructions for Athena Nutrients Pro Line Bloom - 5 Lb.

Mixing & preparation

Fill your reservoir or watering container with clean, room-temperature water first. Shake the bottle of Athena Nutrients Pro Line Bloom - 5 Lb 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 — Pro Core

  • Week 1: mix 1.22 g per litre of water or nutrient solution.
  • Week 2: mix 1.22 g per litre of water or nutrient solution.
  • Week 3: mix 1.22 g per litre of water or nutrient solution.
  • Week 4: mix 1.22 g per litre of water or nutrient solution.

Flowering stage — Pro Core

  • Week 1: mix 1.22 g per litre of water or nutrient solution.
  • Week 2: mix 1.22 g per litre of water or nutrient solution.
  • Week 3: mix 1.22 g per litre of water or nutrient solution.
  • Week 4: mix 1.22 g per litre of water or nutrient solution.
  • Week 5: mix 1.22 g per litre of water or nutrient solution.
  • Week 6: mix 1.22 g per litre of water or nutrient solution.
  • Week 7: mix 1.22 g per litre of water or nutrient solution.
  • Week 8: mix 1.22 g per litre of water or nutrient solution.
  • Week 9: mix 1.22 g per litre of water or nutrient solution.

Vegetative stage — Pro Grow

  • Week 1: mix 2.03 g per litre of water or nutrient solution.
  • Week 2: mix 2.03 g per litre of water or nutrient solution.
  • Week 3: mix 2.03 g per litre of water or nutrient solution.
  • Week 4: mix 2.03 g per litre of water or nutrient solution.

Flowering stage — Pro Grow

  • 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.

Vegetative stage — Pro Bloom

  • Week 1: do not use this product during this week of vegetative growth.
  • Week 2: do not use this product during this week of vegetative growth.
  • Week 3: do not use this product during this week of vegetative growth.
  • Week 4: do not use this product during this week of vegetative growth.

Flowering stage — Pro Bloom

  • Week 1: mix 2.03 g per litre of water or nutrient solution.
  • Week 2: mix 2.03 g per litre of water or nutrient solution.
  • Week 3: mix 2.03 g per litre of water or nutrient solution.
  • Week 4: mix 2.03 g per litre of water or nutrient solution.
  • Week 5: mix 2.03 g per litre of water or nutrient solution.
  • Week 6: mix 2.03 g per litre of water or nutrient solution.
  • Week 7: mix 2.03 g per litre of water or nutrient solution.
  • Week 8: mix 2.03 g per litre of water or nutrient solution.
  • Week 9: mix 2.03 g per litre of water or nutrient solution.

Vegetative stage — Cleanse

  • Week 1: mix 0.5 ml per litre of water or nutrient solution.
  • Week 2: mix 0.5 ml per litre of water or nutrient solution.
  • Week 3: mix 0.5 ml per litre of water or nutrient solution.
  • Week 4: mix 0.5 ml per litre of water or nutrient solution.

Flowering stage — Cleanse

  • Week 1: mix 0.5 ml per litre of water or nutrient solution.
  • Week 2: mix 0.5 ml per litre of water or nutrient solution.
  • Week 3: mix 0.5 ml per litre of water or nutrient solution.
  • Week 4: mix 0.5 ml per litre of water or nutrient solution.
  • Week 5: mix 0.5 ml per litre of water or nutrient solution.
  • Week 6: mix 0.5 ml per litre of water or nutrient solution.
  • Week 7: mix 0.5 ml per litre of water or nutrient solution.
  • Week 8: mix 0.5 ml per litre of water or nutrient solution.
  • Week 9: mix 0.5 ml per litre of water or nutrient solution.

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

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.

Guaranteed Minimum Analysis
Available Phosphate (P2O5) 12.0%
Soluble Potash (K2O) 24.0%
Total Magnesium (Mg) 3.0%
Sulfur (S) 9.0%
Chelated Iron (Fe) 0.1%

Derived From
Monopotassium Phosphate
Potassium Sulfate
Magnesium Sulfate
Iron DTPA

Frequently Asked Questions
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.

Read the full guide

Why is chelated iron important for plants, and what makes it different from other iron sources?

Chelated iron is important because it keeps iron usable for plants even when growing conditions would normally lock iron out, helping prevent the classic yellow-new-leaf symptom caused by low chlorophyll production. It is unique from other iron sources because the chelation protects iron from becoming insoluble, making it a more reliable way to correct iron-related chlorosis when regular iron can fail.

Read the full guide

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.

Read the full guide

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.

Read the full guide

Why is total magnesium (Mg) important for plant growth?

Total magnesium is important because magnesium powers chlorophyll and energy use, helping plants stay green, turn light into growth, and use other nutrients efficiently—and it’s unique because its problems often come from nutrient balance and uptake competition, not just a simple shortage.

Read the full guide

What does Iron DTPA do for pale new growth?

Iron DTPA keeps iron dissolved and available in the root zone so plants can build chlorophyll properly in new leaves, which is why it’s so effective for yellowing at the growing tips. It’s unique because the DTPA chelate protects iron from becoming tied up as quickly as many non-chelated sources, making it a dependable fix when pH drift or water alkalinity would otherwise cause iron lockout.

Read the full guide

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.

Read the full guide

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.

Read the full guide

Is potassium sulfate better than other potassium sources for sensitive plants?

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.

Read the full guide

Safety & Technical Documents

Frequently purchased together

View full details
Nutrient Feed Chart

Vegetative — Week 1

  1. Pro Core
    —
  2. Pro Grow
    —
  3. Pro Bloom
    —
  4. Cleanse
    —

Flowering — Week 1

  1. Pro Core
    —
  2. Pro Grow
    —
  3. Pro Bloom
    —
  4. Cleanse
    —

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