HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)
HydraGrow A & B Grow Nutrients (2L / 64oz)

HydraGrow A & B Grow Nutrients (2L / 64oz)

HydraGrow A & B Grow Nutrients (2L / 64oz)

2 Part Advanced Vegetative Growth & Vegetable Fertilizer for Hydroponic Systems

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HydraGrow is the ultimate 2 part Grow fertilizer to provide you with the most desirable harvest. Your plants will use the key ingredients in HydraGrow to achieve maximum plant vitality, fast growth, rich foliage and structure. Built from the ground up with plant bio-chemistry in mind, this formula is perfect for any beginner or seasoned gardener looking for a stress free grow, let HydraGrow take the wheel. 

Why two bottles? When you combine A with B you get a master blend of Essential and Advanced Nutrients that no single bottle can achieve. Formulated with High Quality Premium Ingredients that are chelated, allow for maximum nutrient absorption. Your plants can actually use what they're getting and grow to their maximum potential. No Cheap China ingredients!  This A & B nutrient is a direct replacement for the nutrients that shipped with your hydroponics system. You know the 2 bottles with little tablets inside the bottle? Get rid of that ASAP. It's low quality and has no place in the garden.


Available in 8oz, 1 & 2 Litre bottles, this liquid formula excels in all hydroponic methods like Aeroponics, Deep Water Culture, Soilless, Coco Coir, Towers and more. HydraGrow also performs extraordinary well in traditional soil gardens. Grow all kinds of Lettuce, kale, Spinach, Bok Choy, Basil, Herbs, Microgreens and much more. Any plant that has a vegetative growth stage will benefit from HydraGrow. 

Handcrafted In Small Batches, HydraGrow has been in development for over 40 years by our master chemist, Ezra Boo Boo. 

Key Features:

  • 2 Bottle Advanced Formula
  • Premium Chelated Ingredients
  • Accelerate Vegetative Growth
  • Optimized for Hydroponics
  • Handcrafted In Small Batches
  • Less Problems, Less Stress
  • Child Resistant Cap


  1.  Shake well before using
  2. To start add 1.25ml of part A in water and then add 1.25ml of Part B per litre of water or 4ml of each per gallon of water. 
  3. Increase to 5ml (1 capful) of each Part A & Part B as your plant matures or 20ml of each per gallon of water. 
  4. Feed every 1-2 weeks or when needed. When growing in soil, cut the dosage in half and feed every 2-3 weeks. Ensure you have good drainage in soil. 

Nutrients are the most important part of hydroponic gardening! Level up your garden today by ordering now!

Feeding Guide:

*This chart is a general guideline and can be used as a starting point in your plant feeding routine. 

HydraGrow has a partner and her name is HydraBloom. If your growing Tomatoes, Peppers or any flowering/ fruiting vegetable, you're going to need a Bloom nutrient to carry your plant over the legendary finish line. Check out HydraBloom now!

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, Spinach, Squash, Sunflowers, Strawberries, Swiss Chard, Thyme, Tomato, Watercress, Melon, Zucchini.

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. NO cheap China ingredients.

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%
  • Shipping

    Shipping and handling are free for all paid orders within Canada and the United States.
  • Money Back Guarantee

    We believe in our product and want to create garden solutions that work for everyone, so your purchase comes with a 90-day money-back guarantee, which means that if you don't like your item(s) for any reason, we will fully refund your purchase.

    You can find more details about our Refund policy here.

Customer Reviews

grow plant fertilizer

Handcrafted in small batches.

  • High quality
  • Non-harmful
  • Locally sourced ingredients

Stress-Free Grow
Support Plant Functions

Macro & micro nutrients to reduce deficiencies.

  • Root support
  • Fast growth
  • Healthy leaves
  • Strong structure
  • Less problems

Made for Hydroponics

npk 3-0-2 and 1-2-3

  • Aeroponics
  • Soilless
  • Deep water culture
  • Coco coir
  • Hydroponic systems
  • Flood & drain
  • Indoor & outdoor
  • Drip systems

Advanced Grow Plant Fertilizer

Next-level support during vegetative growth with a nutrient-rich formula.

  • Leafy greens
  • Herbs
  • All seedlings
  • Indoor & outdoor
  • Tomatoes
  • Peppers
  • Cucumbers
  • Microgreens