Hydroponics and aeroponics require high-quality nutrients to guarantee optimum yields and healthy plants. Unlike soil-based cultivation, where nutrients are naturally present, these systems require specific fertilizers to meet the plants’ needs directly. Here’s a selection of the best fertilizer brands for hydroponics and aeroponics, based on their popularity and reliability.

1. Terra Aquatica (formerly GHE – General Hydroponics USA)

Best for: Fruits, vegetables, houseplants.
Terra Aquatica offers balanced and versatile nutrients for all types of crops.

• Key Products: TriPart Series (Grow, Micro, Bloom), Pro Roots, FinalPart.

2. CANNA

Best for: Vegetables and fruits, particularly in recirculating systems.
CANNA is known for its reliable and easy-to-use products.

• Key Products: Aqua Vega, Aqua Flores, Rhizotonic, PK 13/14.

3. Botanicare

Best for: Berries, vegetables, aromatic herbs.
Botanicare provides natural and specific solutions for growers.

• Key Products: Pure Blend Pro, Cal-Mag Plus, Liquid Karma.

4. Masterblend

Best for: Tomatoes, lettuce, cucumbers, other vegetables.
Highly popular for DIY (Do-It-Yourself) nutrient mixes in hydroponic cultivation.

• Key Products: Masterblend Tomato Formula, Epsom Salt, Calcium Nitrate.

5. Advanced Nutrients

Best for: Specialized crops, including herbs and vegetables.
While often associated with specific crops, their range is effective for other plants as well.

• Key Products: Sensi Grow, Sensi Bloom, Cal-Mag Xtra.

6. FloraNova (General Hydroponics)

Best for: Vegetables, fruits, herbs, flowers.
FloraNova is simple to use and effective, even for beginners.

• Key Products: FloraNova Grow, FloraNova Bloom.

7. Nutri-Tech Solutions (NTS)

Best for: Edible and ornamental crops.
NTS offers organic and sustainable products.

• Key Products: Triple Ten, Life Force Gold, Kelp Essentials.

8. Nelson Garden

Best for: Salads, herbs, flowers.
A Scandinavian brand focusing on small home hydroponic systems.

• Key Products: Hydro Kit Nutrients.

9. BioBizz

Best for: Organic hydroponic cultivation.
Renowned for its certified organic solutions for a wide variety of plants.

• Key Products: Bio-Grow, Bio-Bloom, Fish-Mix.

10. Mills Nutrients

Best for: Herbs, vegetables, fruits, flowers.
A European brand emphasizing quick and effective results.

• Key Products: Basis A&B, C4, Start-R.

11. Plagron

Best for: Hydroponics and coco cultivation.
Offers solutions suited to a wide range of crops.

• Key Products: Hydro A&B, Green Sensation, Pure Zym.

12. Dutchpro

Best for: Vegetables and fruits in hydroponics.
A Dutch brand offering simple and effective products.

• Key Products: Original Grow, Original Bloom, Explode.

13. Growth Technology

Best for: Tomatoes, peppers, lettuce, aromatic herbs.
Specializes in solutions for hydroponic and aeroponic cultivation.

• Key Products: Ionic Hydro Grow, Ionic Hydro Bloom, GT Formula.

14. Humboldts Secret

Best for: Various crops, including vegetables and fruits.
An American brand known for its comprehensive products.

• Key Products: Golden Tree, CalMag & Iron, Flower Stacker.

15. Atami

Best for: Hydroponics and coco cultivation.
Offers concentrated products for quick results.

• Key Products: B’cuzz Hydro Nutrition, Coco Nutrition, Bloom Stimulator.

16. Dyna-Gro

Best for: Ornamental plants, vegetables, fruits.
Known for its complete and balanced nutrient line.

• Key Products: Grow, Bloom, Pro-Tekt.

17. Hydrofarm’s Roots Organics

Best for: Organic cultivation.
A popular choice for growers seeking natural solutions.

• Key Products: Buddha Grow, Buddha Bloom, Extreme Serene.

18. Ionic (Growth Technology)

Best for: Vegetables and aromatic herbs in hydroponics.
Known for its ease of use.

• Key Products: Ionic Grow, Ionic Bloom.

19. Green Planet Nutrients

Best for: Hydroponic and soil-based crops.
Their range is complete and well-suited to various plant types.

• Key Products: Hydro Fuel Grow, Hydro Fuel Bloom.

20. FoxFarm

Best for: Various crops.
An American brand well-known, especially for its organic products.

• Key Products: Grow Big Hydro, Tiger Bloom, Big Bloom.

21. Peters Excel (ICL Specialty Fertilizers)

Best for: Hydroponic cultivation in greenhouses and gardens.
Professional formulations for consistent results.

• Key Products: Blossom Booster, Hi-K.

22. Hesi

Best for: Houseplants, vegetables, herbs.
A European brand offering easy-to-use fertilizers.

Key Products: Hydro Growth, Hydro Bloom, SuperVit.