Maximize your garden's potential with HydraGrow A&B


HydraGrow A & B Grow Nutrients (1L / 32oz)

  • Enhances vegetative growth for better plant development.
  • Dual-part formula ensures full nutrient delivery for optimal health.
  • Premium ingredients boost nutrient absorption and plant growth.
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Why two bottles? 

HydraGrow A and B create a master blend of Essential and Advanced Nutrients that no single bottle can match. Formulated with high-quality, chelated ingredients, this duo maximizes nutrient absorption, ensuring plants flourish––without low-quality fillers.



Best For:

  • Gardening Methods: Ideal for hydroponics; also performs excellently in indoor, outdoor, soil, and soilless settings.
  • Plant Types: Suitable for various indoor and outdoor plants.
  • Optimized For: Boosting vegetative growth to impressive levels.

HydraGrow A+B is available in convenient 250ml, 1-litre, and 2-litre bottles. Developed over 40 years by our master chemist, each batch is handcrafted to reflect our commitment to quality and ensure your gardening success.

Ready for the flowering stage? Pair HydraGrow A+B with HydraBloom for spectacular fruit and flower production. Together, they help your garden achieve a legendary finish.



All indoor and outdoor plants in the vegetative growth stage, such as: 

  • Arugula
  • Basil
  • Bok choy
  • Brussel Sprouts
  • Cabbage
  • Celery
  • Chamomile
  • Chives
  • Cilantro
  • Collard Greens
  • Corn
  • Cucumber
  • Dill
  • Kale
  • Lettuce
  • Mint
  • Mustard Greens
  • Oregano
  • Parsley
  • Peppers
  • Radish
  • Rosemary
  • Sage
  • Savory


  • Shake Well: Ensure the contents are thoroughly mixed before use.
  • Dosage: Start with 1.25ml of Part A and 1.25ml of Part B per liter of water. Increase as plants grow to 5ml of each per liter or 20ml per gallon.
  • Feeding Frequency: Apply every 1-2 weeks, adjusting based on plant response and growth stage.
  • Soil Usage: Halve the dosage for soil applications and feed every 2-3 weeks, ensuring good drainage to avoid root issues.

Feeding Guide:

* This chart offers a general guideline for beginning your plant-feeding routine. Adapt frequency and dosage as your plants respond and grow.

** Each bottle features a child-resistant cap for safety and peace of mind.



Handcrafted in small batches. HydraGrow has been in development for 40 + years, this fertilizer is made using quality premium ingredients from Canada and the USA. We manufacture in small batches to ensure accuracy. 

This nutrient rich formula is made with High Quality Naturally Occurring and Chelated Macro & Micro Nutrients your plants can actually absorb and use to flourish and grow to their maximum potential.

Guaranteed Analysis

Part A: NPK 3-0-2

  • Total Nitrogen: 3%
  • Soluble Potash: 2%
  • Calcium: 2.5%
  • Irony 2.5%

Part B: NPK 1-2-3

  • Total Nitrogen: 1%
  • Phosphate: 2%
  • Soluble Potash: 3%
  • Magnesium: 0.75%
  • Molybdenum: 0.0015%

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