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

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

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

Unlock the full potential of your garden with HydraGrow A & B, a dynamic two-part liquid fertilizer crafted to enhance plant growth during their key vegetative phase.

Key Features

  • 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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  • 90-day money back guarantee
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Introducing HydraGrow A+B: the ultimate two-part fertilizer tailor-made for gardeners seeking simplicity and success.

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. 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%
Can HydraGrow A&B be used on all types of plants?

Yes, HydraGrow A & B is suitable for a wide range of plants during their vegetative growth phase, including vegetables, herbs, and ornamental plants.

Why are there two bottles for HydraGrow A & B?

The two bottles allow for the separation of ingredients that, when combined, optimize plant nutrient uptake. This dual-part formula ensures that essential nutrients remain potent and effective, delivering comprehensive nutrient delivery for optimal plant health.

How do I use HydraGrow A&B?

Shake each bottle well before use. Mix 1.25ml of Part A and 1.25ml of Part B per liter of water to start, and increase to 5ml of each per liter as plants grow. For soil applications, halve the dosage and apply every 2-3 weeks, ensuring good drainage.

Is HydraGrow A&B suitable for both indoor and outdoor plants?

Yes! HydraGrow A & B is optimized for indoor and outdoor settings, enhancing its versatility for gardeners.

When should I switch from HydraGrow to HydraBloom?

Transition to HydraBloom during your plants' flowering stage, particularly for fruit and flower production. HydraBloom complements the nutrient profile of HydraGrow by focusing on the nutrients needed for blooming and fruiting.

What are the benefits of using HydraGrow A&B during the vegetative growth phase?

HydraGrow A&B specifically boosts vegetative growth by providing plants with the necessary nutrients to develop strong roots, stems, and foliage, setting the stage for a healthy and productive growth cycle.

Do your products contain dyes?

No, our products are free from dyes. We carefully craft each formula in small batches using only clean, premium components––all made in Canada.

What should I do if I see no improvement in plant growth?

Ensure you are using the correct dosage and frequency. Consider environmental factors such as lighting, temperature, and humidity, and adjust your plant care routine accordingly. If problems persist, reach out for expert advice.

  • 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