Best Fertilizers for Hydroponics Updated May 2025
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Best Fertilizers for Hydroponics
2025 Buyer's GuideUpdated May 2025
Advertiser disclosure About our rankings
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Best Overall

10.0

1

10.0

General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System with FloraMicro, FloraBloom and FloraGro, 1 pt.
Works well
Nutrients
Value for money
Ease of use
Plant growth
Taste
Best Overall

10.0

1
General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System with FloraMicro, FloraBloom and FloraGro, 1 pt.
Works well
Nutrients
Value for money
Ease of use
Plant growth
Taste
Premium Pick

9.9

2

9.9

Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, ...
Effectiveness
Plant growth
Ease of use
Plant health
Premium Pick

9.9

2
Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System – Hydroponic Nutrients for Outdoor, ...
Effectiveness
Plant growth
Ease of use
Plant health

9.6

3

9.6

FoxFarm Grow Big Hydro Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, ...
Works well
Fertilizer quality
Ease of use
Durability
Size

9.6

3
FoxFarm Grow Big Hydro Liquid Fertilizer, Plant Food with Micro Nutrients for Hydroponic Systems - Enhances Vegetative Growth, ...
Works well
Fertilizer quality
Ease of use
Durability
Size

9.5

4

9.5

Farmer’s Secret Fruit & Bloom Booster Fertilizer (16oz) - Super Concentrated - Increases Flowering and Yield on All Varieties o...
Works well
Blooming
Fertilizer quality
Ease of use
Value for money
Flower appearance

9.5

4
Farmer’s Secret Fruit & Bloom Booster Fertilizer (16oz) - Super Concentrated - Increases Flowering and Yield on All Varieties o...
Works well
Blooming
Fertilizer quality
Ease of use
Value for money
Flower appearance
Best Value
Popular

9.4

5

9.4

Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
Works well
Plant food
Value for money
Ease of use
Beauty
Fertilizer quality
Save 28%
Save 28%
Best Value
Popular

9.4

5
Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
Works well
Plant food
Value for money
Ease of use
Beauty
Fertilizer quality
Save 28%

9.3

6

9.3

32oz Aeroponics & Hydroponics Liquid Plant Food - Up to 96 Feedings - Rich in Hydroponic Nutrients, Ideal Hydroponic Plant Food...
Functionality
Plant nutrients
Value for money
Ease of use
Size
Plant growth

9.3

6
32oz Aeroponics & Hydroponics Liquid Plant Food - Up to 96 Feedings - Rich in Hydroponic Nutrients, Ideal Hydroponic Plant Food...
Functionality
Plant nutrients
Value for money
Ease of use
Size
Plant growth

9.2

7

9.2

FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)
Works well
Nutrients
Growth rate
Value for money
Ease of use
Quality
Save 5%
Save 5%

9.2

7
FoxFarm Fertilizer Soil Trio Liquid Nutrient: Tiger Bloom, Grow Big, Big Bloom Bottles - (Pack of 3-1 Pint)
Works well
Nutrients
Growth rate
Value for money
Ease of use
Quality
Save 5%

9.1

8

9.1

Purived 16oz All-Purpose Liquid Plant Fertilizer - Makes 50 Gallons, for Indoor Houseplants, All-Natural, Groundwater Safe, Mad...
Plant growth
Effectiveness
Ease of use
Plant look
Smell
Value for money

9.1

8
Purived 16oz All-Purpose Liquid Plant Fertilizer - Makes 50 Gallons, for Indoor Houseplants, All-Natural, Groundwater Safe, Mad...
Plant growth
Effectiveness
Ease of use
Plant look
Smell
Value for money

9.0

9

9.0

TPS NUTRIENTS Liquid Plant Food for use in AeroGarden, IDOO and Hydroponic Growing Systems, Liquid Fertilizer 8 oz (250mL)
Works well
Plant growth
Fertilizer quality
Value for money
Ease of use
Size

9.0

9
TPS NUTRIENTS Liquid Plant Food for use in AeroGarden, IDOO and Hydroponic Growing Systems, Liquid Fertilizer 8 oz (250mL)
Works well
Plant growth
Fertilizer quality
Value for money
Ease of use
Size

8.9

10

8.9

FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer...
Effectiveness
Bloom size
Fertilizer quality
Ease of use
Flower quality
Organic content

8.9

10
FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer...
Effectiveness
Bloom size
Fertilizer quality
Ease of use
Flower quality
Organic content

Our Top Choice

Best Overall

10.0

1

10.0

General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System with FloraMicro, FloraBloom and FloraGro, 1 pt.
Works well
Nutrients
Value for money
Ease of use
Plant growth
Taste
Best Overall

10.0

1
General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System with FloraMicro, FloraBloom and FloraGro, 1 pt.
Works well
Nutrients
Value for money
Ease of use
Plant growth
Taste
Related Categories
Hydroponic FertilizerLiquid Fertilizer for PlantsPlant FertilizerIndoor Plant FertilizerVegetable FertilizerPlumeria Fertilizer
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Related Categories
Hydroponic FertilizerLiquid Fertilizer for PlantsPlant FertilizerIndoor Plant FertilizerVegetable FertilizerPlumeria Fertilizer
Related Categories
Hydroponic FertilizerLiquid Fertilizer for PlantsPlant FertilizerIndoor Plant FertilizerVegetable FertilizerPlumeria Fertilizer