9 Best organic hydroponic nutrients of 2025

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1

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FoxFarm
FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)
Main highlights

Lush Vegetative Growth Support
FoxFarm Grow Big promotes lush vegetative growth with its liquid concentrate formula.

Versatile Plant Food Use
FoxFarm Big Bloom can be used on all plants, every watering.

Highly Effective for Tomatoes
Customers praise the product's effectiveness in growing tomatoes.
9.8

Exceptional

Our Rating

9.5
Simple to use

9.1
worth the money
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Value for Money

2

Humboldts Secret
Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants
Main highlights

Key Features
Complete macronutrient profile with easy-to-use two-part system, excels in all cultivation mediums, and is suitable for all plant life.

Ideal Use Cases
Perfect for hydroponics, indoor plants, and aquaponics, from vegetative stage to flowering, for both home and commercial growers.

Customer Praise
Most reviews highlight its effectiveness in promoting rapid plant growth and health across various plant types and cultivation systems.
Key specs
- Item Form:Liquid
- Coverage:Medium
- Product Dimensions:9.13 x 6.93 x 5.43 inches
- Application:Hydroponics, every watering
- NPK Ratio:Nitrogen, Phosphorus, Potassium
9.6

Exceptional

Our Rating

9.3
Simple to use

8.9
worth the money

8.7
Flavor
3

FoxFarm
FoxFarm Grow Big Hydro Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, Flowering, and Fruiting - pH Adjustable, NPK 3-2-6 (Pint)
Main highlights

Key Features and Benefits
Delivers full spectrum of micro nutrients, enhancing plant growth, flowering, and fruiting for maximum genetic potential.

Ideal Use Cases
Perfect for hydroponic gardening enthusiasts aiming for optimal plant performance and yield in varied plant types and growth stages.

Customer Praise
Users frequently commend its effectiveness in boosting plant size and health, leading to noticeable improvements in yield and quality.
Key specs
- Item Form:Liquid
- Coverage:Full
- Product Dimensions:2.5 x 7.81 x 2.5 inches
- Application:Hydroponic
- NPK Ratio:N/A
9.5

Excellent

Our Rating

9.9
Simple to use

9.3
worth the money

9.1
Aroma
4

HiThrive
32oz Aeroponics & Hydroponics Liquid Plant Food - Up to 96 Feedings - Rich in Hydroponic Nutrients, Ideal Hydroponic Plant Food & Liquid Fertilizer for Indoor and Outdoor Hydroponics Growing Systems
Main highlights

Consistent Growth and Nutrient Supply
Formulated with a 4-3-6 NPK ratio for healthy growth and up to 96 feedings.

Ideal for Hydroponic and Aeroponic Systems
Perfect for hydroponic tomatoes, asparagus, and other indoor or outdoor systems.

Customer Praised Instant Feeding
Instantly feeds plants, enhancing growth and ensuring a bountiful harvest.
Key specs
- Item Form:Liquid
- Coverage:Up to 96 feedings
- Product Dimensions:8.54 x 5.2 x 5 inches
- Application:Hydroponics, aeroponics
- NPK Ratio:4-3-6
9.4

Excellent

Our Rating
5

VIVOSUN

VIVOSUN Liquid Nutrients Base A & B Bundle, Grow Big Hydroponic Fertilizer, Supports Vegetative and Flowering Stages for Outdoor, Indoor Plants, Best Plant Food, Set of Quarts

16% Off
9.3

Excellent

Our Rating
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6

AeroGarden
AeroGarden Liquid Nutrients (1 Liter)
Main highlights

Fast Growth and pH Buffering
Liquid plant food contains a pH buffering system great for houseplants and all hydroponic gardening applications for consistent, fast growth.

Ideal for Indoor and Hydroponic Gardening
Indoor gardening with an AeroGarden growing system provides water and food reminders to help plants thrive. Great for hydroponic systems.

Convenient and Effective
Customers praise the convenience and effectiveness of the product, especially for AeroGardens, despite some issues with the bottle design and price.
Key specs
- Item Form:Liquid
- Coverage:Full
- Product Dimensions:5 x 2 x 7.5 inches
- Application:Gardening, Plant Food
- NPK Ratio:N/A
9.2

Excellent

Our Rating

9.7
quality of ingredients

9.1
Precision

8.9
Simple to use
7

MARPHYL
MARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant Food - All-Purpose, Nutrient-Rich Lawn Fertilizer & Soil Enhancer for House Plants, Flowers, Vegetables, Succulents, Bamboo, Hydroponics

16% Off
Main highlights

Nutrient-Rich Formula
Packed with vitamins, minerals, and essential nutrients for plant vitality.

Versatile Application
Ideal for houseplants, gardens, lawns, and hydroponics.

Effective Plant Booster
Quickly improves plant health and appearance, as praised by users.
8.9

Very Good

Our Rating

9.3
Simple to use

8.2
worth the money

8.0
Aroma
8

General Hydroponics
General Hydroponics Flora Series: FloraMicro, FloraBloom, FloraGro - 3-Part Hydroponic Nutrient System, 1 qt. Bottles

16% Off
Main highlights

Key Features and Benefits
Comprehensive hydroponic nutrient system with FloraMicro, FloraBloom, and FloraGro, catering to all plant growth stages for optimal development.

Ideal Use Cases
Perfect for hydroponic gardeners seeking precise nutrient control for their plants, from seedlings to flowering and fruiting stages.

Customer Reviews Highlight
Users consistently praise the system`s ability to significantly boost plant growth, health, and yield, noting visible results quickly.
8.7

Very Good

Our Rating

9.9
Durability

9.9
Flavor

9.3
Simple to use
9

General Hydroponics

General Hydroponics General Organics BioThrive Bloom, Quart
8.4

Good

Our Rating

9 Best organic hydroponic nutrients of 2025

1

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)

9.5

9.1

2

Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, Indoor Plants – Supports Vegetative and Flowering Stages of Plants

9.3

8.9

8.7

3

FoxFarm Grow Big Hydro Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, Flowering, and Fruiting - pH Adjustable, NPK 3-2-6 (Pint)

9.9

9.3

9.1

4

32oz Aeroponics & Hydroponics Liquid Plant Food - Up to 96 Feedings - Rich in Hydroponic Nutrients, Ideal Hydroponic Plant Food & Liquid Fertilizer for Indoor and Outdoor Hydroponics Growing Systems

5

VIVOSUN Liquid Nutrients Base A & B Bundle, Grow Big Hydroponic Fertilizer, Supports Vegetative and Flowering Stages for Outdoor, Indoor Plants, Best Plant Food, Set of Quarts

6

AeroGarden Liquid Nutrients (1 Liter)

9.7

9.1

8.9

7

MARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant Food - All-Purpose, Nutrient-Rich Lawn Fertilizer & Soil Enhancer for House Plants, Flowers, Vegetables, Succulents, Bamboo, Hydroponics

9.3

8.2

8.0

8

General Hydroponics Flora Series: FloraMicro, FloraBloom, FloraGro - 3-Part Hydroponic Nutrient System, 1 qt. Bottles

9.9

9.9

9.3

9

General Hydroponics General Organics BioThrive Bloom, Quart

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