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Fertilizer For Hydroponics

10 Best Fertilizer For Hydroponics 2025 in the United States

Name: Fox Farm 752289790904 FoxFarm Big Bloom Gallon
Brand: FoxFarm
Price: 63.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

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Winner

FoxFarm

Fox Farm 752289790904 FoxFarm Big Bloom Gallon

9.8

score

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Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

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Humboldts Secret

Editor’s Choice

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

9.6

score

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General Hydroponics

General Hydroponics FloraGro 2-1-6, Use With FloraMicro & FloraBloom, Provides Nutrients For Structural & Foliar Growth, Ideal For Hydroponics, 1-Quart

9.4

score

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Botanicare

Botanicare Organicare Bloom - Organic and Natural Granular Fertilizer for the Flowering Stage, 5 lbs.

9.2

score

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FoxFarm

FoxFarm Tiger Bloom Fertilizer 2-8-4, 1 Gallon

9.0

score

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TPS NUTRIENTS

Liquid Plant Food for use in AeroGarden, IDOO and Hydroponic Growing Systems, Liquid Fertilizer 8 oz (250mL)

8.7

score

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General Hydroponics

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

8.5

score

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Humboldts Secret

Editor’s Choice

Humboldts Secret Starter Kit Pack – World's Best Indoor & Outdoor Plant Fertilizer and Nutrient System: Base A & B – Golden Tree – Flower Stacker – Plant Enzymes – CalMag & Iron

8.2

score

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Tigvio

Tigvio Hydroponic Nutrients A&B for Plant Growth, 800ml Total - Fertilizer for Indoor Hydroponics Garden & Growing Vegetables, Fruits, Flowers

7.9

score

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#10

Advanced Nutrients

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A

7.7

score

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More products we considered

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 Ultra Pure Professional Grade Cal-Mag Fertilizer Spray - 8oz Bottle - High-Grade Calcium, Magnesium & Iron Plant Supplement - Corrects Common Plant Deficiencies (9-0-0 NPK)

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Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

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Gardenera Premium Nutritional Plant Food Spray for Citron - Balanced Nutrition Plant Superfood | Excellent Growth Booster for Citron Trees - 8oz

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Bud Doublin Micros - All Natural Bud Fertilizer with Humic and Fulvic Acid (1 Quart) - Organic Liquid Fertilizer Suitable for All Plant Types, Bigger Flowers and Jumbo Fruits

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GARDENERA Premium 20-20-20 All Purpose Water Solubable Fertilizer for All Plant - Promotes Biomass Growth and Vibrant Leaf Color - 10 Quart

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How do we rank products for you?

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10 Best Fertilizer For Hydroponics 2025 in the United States

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

Fox Farm 752289790904 FoxFarm Big Bloom Gallon

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

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

General Hydroponics FloraGro 2-1-6, Use With FloraMicro & FloraBloom, Provides Nutrients For Structural & Foliar Growth, Ideal For Hydroponics, 1-Quart

Botanicare Organicare Bloom - Organic and Natural Granular Fertilizer for the Flowering Stage, 5 lbs.

FoxFarm Tiger Bloom Fertilizer 2-8-4, 1 Gallon

Liquid Plant Food for use in AeroGarden, IDOO and Hydroponic Growing Systems, Liquid Fertilizer 8 oz (250mL)

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

Humboldts Secret Starter Kit Pack – World's Best Indoor & Outdoor Plant Fertilizer and Nutrient System: Base A & B – Golden Tree – Flower Stacker – Plant Enzymes – CalMag & Iron

Tigvio Hydroponic Nutrients A&B for Plant Growth, 800ml Total - Fertilizer for Indoor Hydroponics Garden & Growing Vegetables, Fruits, Flowers

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 Ultra Pure Professional Grade Cal-Mag Fertilizer Spray - 8oz Bottle - High-Grade Calcium, Magnesium & Iron Plant Supplement - Corrects Common Plant Deficiencies (9-0-0 NPK)

Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

Gardenera Premium Nutritional Plant Food Spray for Citron - Balanced Nutrition Plant Superfood | Excellent Growth Booster for Citron Trees - 8oz

Bud Doublin Micros - All Natural Bud Fertilizer with Humic and Fulvic Acid (1 Quart) - Organic Liquid Fertilizer Suitable for All Plant Types, Bigger Flowers and Jumbo Fruits

GARDENERA Premium 20-20-20 All Purpose Water Solubable Fertilizer for All Plant - Promotes Biomass Growth and Vibrant Leaf Color - 10 Quart

FAQ

What nutrients are essential in hydroponic fertilizers?

Can I use regular soil fertilizer for hydroponics?

How often should I fertilize my hydroponic plants?

What is the best hydroponic fertilizer brand?

Do hydroponic systems require pH adjustments when using fertilizers?

10 Best Fertilizer For Hydroponics 2025 in the United States

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

Fox Farm 752289790904 FoxFarm Big Bloom Gallon

Humboldts Secret Golden Tree: World's Best Fertilizer (2.5 Gallon)

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

General Hydroponics FloraGro 2-1-6, Use With FloraMicro & FloraBloom, Provides Nutrients For Structural & Foliar Growth, Ideal For Hydroponics, 1-Quart

Botanicare Organicare Bloom - Organic and Natural Granular Fertilizer for the Flowering Stage, 5 lbs.

FoxFarm Tiger Bloom Fertilizer 2-8-4, 1 Gallon

Turf Perk Garden Perk Organic Plant Food | Outdoor and Indoor Plant Food, Garden Soil and Plant Nutrient | All Natural Amino Acid Liquid Plant Food Formula for Growing Big, Healthy Vegetable Plants

𝐁𝐄𝐒𝐓𝐒𝐄𝐋𝐋𝐄𝐑 Plant Superfood for Desert Rose Plants with B1 Vitamin, Glucose and Essential Minerals - Organic Plant Food Fertilizer for Indoor & Outdoor Desert Roses Care - 8oz

𝐏𝐑𝐎𝐅𝐄𝐒𝐒𝐈𝐎𝐍𝐀𝐋 All-Purpose 20-20-20 Liquid Fertilizer Spray for Lawns, Grass, Plants, Vegetables, Fruits & Flowers | 20-20-20 Liquid Fertilizer for Indoor and Outdoor Plants (32 OZ)

Gardenera Premium Kiryuzuna - Elevate Your Bonsai's Performance with This Ultimate Soil Enhancer - 20 Quarts

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 All-Purpose 20-20-20 Liquid Fertlizer Spray - Increases Flowering and Yield on All Varieties of Fruits, Vegetables and Flowers| Liquid Plant Superfood Mist (8 OZ)

Liquid Plant Food for use in AeroGarden, IDOO and Hydroponic Growing Systems, Liquid Fertilizer 8 oz (250mL)

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

Humboldts Secret Starter Kit Pack – World's Best Indoor & Outdoor Plant Fertilizer and Nutrient System: Base A & B – Golden Tree – Flower Stacker – Plant Enzymes – CalMag & Iron

Tigvio Hydroponic Nutrients A&B for Plant Growth, 800ml Total - Fertilizer for Indoor Hydroponics Garden & Growing Vegetables, Fruits, Flowers

Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer, 250 mL.250 Liter, Brown/A

Fertilizer For Hydrangeas

Light For Hydroponics

General Hydroponics Liquid Fertilizers

𝐏𝐑𝐄𝐌𝐈𝐔𝐌 Ultra Pure Professional Grade Cal-Mag Fertilizer Spray - 8oz Bottle - High-Grade Calcium, Magnesium & Iron Plant Supplement - Corrects Common Plant Deficiencies (9-0-0 NPK)

Gardenera Premium 𝐀𝐋𝐋-𝐏𝐔𝐑𝐏𝐎𝐒𝐄 𝟏𝟎-𝟏𝟎-𝟏𝟎 𝐋𝐢𝐪𝐮𝐢𝐝 𝐅𝐞𝐫𝐭𝐢𝐥𝐢𝐳𝐞𝐫 for Lawns, Plants, Vegetables, Fruits & Flowers, Liquid Plant Food 10-10-10 for Indoor/Outdoor Plants (32 OZ)

Gardenera Premium Nutritional Plant Food Spray for Citron - Balanced Nutrition Plant Superfood | Excellent Growth Booster for Citron Trees - 8oz

Bud Doublin Micros - All Natural Bud Fertilizer with Humic and Fulvic Acid (1 Quart) - Organic Liquid Fertilizer Suitable for All Plant Types, Bigger Flowers and Jumbo Fruits

GARDENERA Premium 20-20-20 All Purpose Water Solubable Fertilizer for All Plant - Promotes Biomass Growth and Vibrant Leaf Color - 10 Quart

FAQ

What nutrients are essential in hydroponic fertilizers?

Can I use regular soil fertilizer for hydroponics?

How often should I fertilize my hydroponic plants?

What is the best hydroponic fertilizer brand?

Do hydroponic systems require pH adjustments when using fertilizers?