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Best Hydroponic Nutrients & Additives - Buying Guide

Last Updated: 05/26/2024

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Bestselling Hydroponic Nutrients & Additives on Amazon

  1. General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System Trial Pack with FloraMicro, Fl...
  2. Liquid Plant Food for use in AeroGarden, IDOO and Hydroponic Growing Systems, Liquid Fertilizer 8 oz...
  3. Hydroponics Nutrients (800ml in Total), Plant Food A & B Hydroponics Supplies, Indoor Plant Fertiliz...
  4. Hydroponic Nutrients, 10 Pack Plant Food for Hydroponic Growing System, 1L General A&B Indoor Plant ...
  5. General Hydroponics GH1211 MaxiGro Plant Food For Vigorous Growth, 2.2-Pound
  6. Humboldts Secret Set of A & B Liquid Hydroponics Fertilizer - World's Best Nutrient System Hydropo...
  7. FoxFarm Grow Big Hydro Liquid Concentrate Fertilizer, 1 Pint
  8. General Hydroponics Flora Series: FloraMicro, FloraBloom, FloraGro - 3-Part Hydroponic Nutrient Syst...
  9. AeroGarden Liquid Nutrients (1 Liter)
  10. MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (12.5 Pound Kit)
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  #1

General Hydroponics FloraSeries Hydroponic Nutrient Fertilizer System Trial Pack with FloraMicro, FloraBloom and FloraGro, 1 qt.

Asin: B0B2C22L3G   |   Model: HGC718070   |   PartNumber: HGC718070   |   Ean: 0793094000437   |   UPC: 793094000437

Features

  • The FloraSeries is a hydroponic-based nutrient fertilizer system that helps fulfill your plants nutrient needs at every stage of growth
  • Nutrients included are FloraMicro, FloraBloom, and FloraGro
  • FloraMicro is rich in nitrogen, calcium, and chelated micronutrients to help support fast-growing crops during all growth stages
  • FloraGro is blended with nitrogen phosphorus, potassium, and magnesium for support of structural and foliar growth
  • FloraBloom is packed with phosphorus, potassium, magnesium, and sulfur to help boost results during flowering and fruiting
  • See more on Amazon...

Floramicro Is Rich In Nitrogen, Calcium, And Chelated Micronutrients To Help Support Fast-Growing Crops During All Growth Stages.
Florabloom Is Packed With Phosphorus, Potassium, Magnesium, And Sulfur To Help Boost Results During Flowering And Fruiting.
Floragro Is Blended With Nitrogen Phosphorus, Potassium, And Magnesium For Support Of Structural And Foliar Growth.
Nutrients Included Are Floramicro, Florabloom, And Floragro.

Brand: General Hydroponics   |   Manufacturer: Hawthorne Hydroponics, LLC

Dimensions: 9.30 x 4.00 x 10.60 Inches   |   Weight: 8.06 pounds

Warranty: Warranty

Amazon Price: $38.99 ($0.41 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock

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  #2

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

Asin: B0BRTKV4TC   |   Ean: 0850048592056   |   UPC: 850048592056

Features

Brand: TPS NUTRIENTS   |   Manufacturer: TPS Nutrients

Dimensions: 6.00 x 1.50 x 1.50 inches   |   Weight: 0.50 pounds

Amazon Price: $11.99 ($1.50 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock

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  #3

Hydroponics Nutrients (800ml in Total), Plant Food A & B Hydroponics Supplies, Indoor Plant Fertilizer for Hydroponics Growing System, Growing System Accessories for Vegetables Fruits Flowers Thrive

Asin: B0C38RY6JP   |   Model: ZZFL-1113   |   PartNumber: ZZFL-1113

Features

  • 8 Pack A & B Hydroponic Plant Food Our hydroponics supplies plant food is equipped with 2 bottles and extra 6 pack of A&B nutrients, which provide you with endless supplies and the essential elements necessary for healthy indoor or potted plants growth
  • Compatible with All Hydroponic Grow Systems Our hydroponic nutrients are compatible with a wide range of all indoor hydroponic grow systems, ensuring that you can use it seamlessly with your existing setup for optimal plant nutrition
  • Easy to Use Just need to mix each nutrient with 100ml water in the correct proportions. And when adding fertilizer, we are equipped with a dispensing cup for convenient metering. Add 5ml A and 5ml B with each 1L water into your hydroponics system
  • Versatile Application This A&B Plant Food is suitable for both indoor and outdoor plants, making it a versatile choice for all your gardening needs. Whether you have houseplants, container plants, or plants in your garden, this plant food can nourish them effectively
  • Stronger and Faster Our A&B indoor plant food made from premium ingredients that are 100% water soluble and pH-balanced, allowing plants to better absorb nutrients, which making plants grow stronger and faster
  • See more on Amazon...

【Easy To Use】Just Need To Mix Each Nutrient With 100Ml Water In The Correct Proportions. And When Adding Fertilizer, We Are Equipped With A Dispensing Cup For Convenient Metering. Add 5Ml A And 5Ml B With Each 1L Water Into Your Hydroponics System.
【Stronger And Faster】Our A&B Indoor Plant Food Made From Premium Ingredients That Are 100% Water Soluble And Ph-Balanced, Allowing Plants To Better Absorb Nutrients, Which Making Plants Grow Stronger And Faster.
【Versatile Application】This A&B Plant Food Is Suitable For Both Indoor And Outdoor Plants, Making It A Versatile Choice For All Your Gardening Needs. Whether You Have Houseplants, Container Plants, Or Plants In Your Garden, This Plant Food Can Nourish Them Effectively.
【Compatible With All Hydroponic Grow Systems】Our Hydroponic Nutrients Are Compatible With A Wide Range Of All Indoor Hydroponic Grow Systems, Ensuring That You Can Use It Seamlessly With Your Existing Setup For Optimal Plant Nutrition.

Brand: Haligo   |   Manufacturer: Haligo

Dimensions: 0.75 x 3.00 x 1.00 inches

Amazon Price: $14.99 ($0.55 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock

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  #4

Hydroponic Nutrients, 10 Pack Plant Food for Hydroponic Growing System, 1L General A&B Indoor Plant Fertilizer for Houseplants Vegetables Fruits Flowers Thrive

Asin: B0CW398N7H   |   Model: plant-food-001   |   PartNumber: plant-food-001

Features

  • 10 PACK Plant Food: Our hydroponic nutrients include 2 bottles and an additional 8 packs of A&B nutrients, ensuring a continuous and ample provision of essential elements for healthy indoor or potted plant growth.
  • Enhanced Growth: Formulated with Organic, 100% water-soluble, and pH-balanced ingredients, our A&B indoor plant food enables plants to absorb nutrients more efficiently, promoting stronger and faster growth.
  • Easy to Use: Simply mix each indoor plant fertilizer with 100ml water in the correct proportions using the provided dispensing cup for convenient metering. Add 5ml A and 5ml B to each 1L of water in your hydroponics growing system.
  • Wide Compatibility: Compatible with all indoor gardening system, our hydroponic nutrients can seamlessly integrate with your existing setup to provide optimal plant nutrition.
  • Versatile Application: Suitable for all growing mediums, including hydroponic systems, indoor gardens, and outdoor soil plants, providing optimal nutrition for vegetables, flowers, fruits and any other houseplants.
  • See more on Amazon...

Easy To Use: Simply Mix Each Indoor Plant Fertilizer With 100Ml Water In The Correct Proportions Using The Provided Dispensing Cup For Convenient Metering. Add 5Ml A And 5Ml B To Each 1L Of Water In Your Hydroponics Growing System..
Versatile Application: Suitable For All Growing Mediums, Including Hydroponic Systems, Indoor Gardens, And Outdoor Soil Plants, Providing Optimal Nutrition For Vegetables, Flowers, Fruits And Any Other Houseplants..
Wide Compatibility: Compatible With All Indoor Gardening System, Our Hydroponic Nutrients Can Seamlessly Integrate With Your Existing Setup To Provide Optimal Plant Nutrition..
Enhanced Growth: Formulated With Organic, 100% Water-Soluble, And Ph-Balanced Ingredients, Our A&B Indoor Plant Food Enables Plants To Absorb Nutrients More Efficiently, Promoting Stronger And Faster Growth..

Brand: Lubynia   |   Manufacturer: Lubynia

Amazon Price: $14.59 | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock
List Price: $15.99

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  #5

General Hydroponics GH1211 MaxiGro Plant Food For Vigorous Growth, 2.2-Pound

Asin: B00NQANQAC   |   Model: GH1211   |   PartNumber: GH1211   |   Ean: 0793094012119   |   UPC: 793094012119

Features

  • MaxiGro and MaxiBloom are stand-alone, water-soluble, dry concentrated nutrients
  • MaxiGro and MaxiBloom will provide superior results when used with a wide variety of crops in all hydroponic, soil or soil-based growing environments
  • Use to encourage growth of seedlings and cuttings and to stimulate rapid growth through the vegetative growth stage
  • Use in the reproductive stage in fast-growing annuals
  • Use 1-2 teaspoons per gallon of water
  • See more on Amazon...

Use To Encourage Growth Of Seedlings And Cuttings And To Stimulate Rapid Growth Through The Vegetative Growth Stage.
Use 1-2 Teaspoons Per Gallon Of Water.
Use In The Reproductive Stage In Fast-Growing Annuals.
Maxigro And Maxibloom Will Provide Superior Results When Used With A Wide Variety Of Crops In All Hydroponic, Soil Or Soil-Based Growing Environments.

Brand: General Hydroponics   |   Manufacturer: Hawthorne Hydroponics, LLC

Dimensions: 3.40 x 4.10 x 4.80 inches   |   Weight: 1.70 pounds

Warranty: Warranty

Amazon Price: $12.50 ($0.36 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock
List Price: $15.34 ($0.44 / Fl Oz)

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  #6

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

Asin: B01IM88KKI   |   Model: 4316245515   |   PartNumber: 4316245515   |   Ean: 0648260730437   |   UPC: 648260730437

Features

  • COMPLETE MACRONUTRIENT PROFILE FOR PLANT NUTRITION: The combination of our Base A & B Bundle results in a complete feed for rapidly growing flowering plants and indoor plants. Our signature blend consists of Nitrogen, Phosphorus, Potassium, Calcium, Magnesium, and more.
  • EASY-TO-USE TWO-PART SYSTEM: Simple use both bottles at equal rates throughout the entire growing cycle, from the beginning of the vegetative stage until the end of the flowering stage. We recommend application with every watering for maximum results.
  • HYDROPONICS EXCELLENCE FOR ALL CULTIVATION MEDIUMS: Our cutting-edge system excels in hydroponics, delivering exceptional performance across all grow mediums, whether it's for indoor plants in potting soil, aquaponics setups, or coco coir cultivations.
  • COMMERCIAL-GRADE AND GARDEN-FRIENDLY: Our two-part base system is both commercial-grade and garden-friendly, ensuring the optimal health of your plants and flowers. It s made from quality ingredients that are 100% water soluble and pH-balanced for ease of use.
  • APPROPRIATE FOR ALL PLANT LIFE: Base nutrients are the building blocks of all plant life. Thousands of home and commercial growers use Humboldts Secret Grow & Bloom Base System. It works on all plants, trees, flowers, bushes, and lawns.
  • See more on Amazon...

Hydroponics Excellence For All Cultivation Mediums: Our Cutting-Edge System Excels In Hydroponics, Delivering Exceptional Performance Across All Grow Mediums, Whether It's For Indoor Plants In Potting Soil, Aquaponics Setups, Or Coco Coir Cultivations..
Appropriate For All Plant Life: Base Nutrients Are The Building Blocks Of All Plant Life. Thousands Of Home And Commercial Growers Use Humboldts Secret Grow & Bloom Base System. It Works On All Plants, Trees, Flowers, Bushes, And Lawns..
Commercial-Grade And Garden-Friendly: Our Two-Part Base System Is Both Commercial-Grade And Garden-Friendly, Ensuring The Optimal Health Of Your Plants And Flowers. It’S Made From Quality Ingredients That Are 100% Water Soluble And Ph-Balanced For Ease Of Use..
Easy-To-Use Two-Part System: Simple Use Both Bottles At Equal Rates Throughout The Entire Growing Cycle, From The Beginning Of The Vegetative Stage Until The End Of The Flowering Stage. We Recommend Application With Every Watering For Maximum Results..

Brand: Humboldts Secret   |   Manufacturer: Humboldts Secret

Weight: 2.00 Pounds

Amazon Price: $44.97 | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock
List Price: $49.99

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  #7

FoxFarm Grow Big Hydro Liquid Concentrate Fertilizer, 1 Pint

Asin: B00CJJ8LC4   |   Model: FX14094   |   PartNumber: FX14094   |   Ean: 0752289793219   |   UPC: 752289793219

Features

  • Grow big Hydro delivers a full spectrum of micro nutrients
  • This nutrient solution emphasizes the maximum genetic growth; flowering; and fruiting characteristics of each plant
  • Grow big Hydro set the standard for quality results
  • Grow big hydro delivers a full spectrum of micro nutrients
  • See more on Amazon...

Grow Big Hydro Set The Standard For Quality Results.
Grow Big Hydro Delivers A Full Spectrum Of Micro Nutrients.
This Nutrient Solution Emphasizes The Maximum Genetic Growth; Flowering; And Fruiting Characteristics Of Each Plant.

Brand: FoxFarm   |   Manufacturer: Sunlight Supply Inc.

Dimensions: 2.50 x 2.50 x 7.81 Inches   |   Weight: 1.30 pounds

Amazon Price: $13.93 ($0.70 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock
List Price: $28.99 ($1.45 / Fl Oz)

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  #8

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

Asin: B01I4U0M32   |   Model: HGCVB00062   |   PartNumber: HGCVB00062   |   Ean: 0799441256618   |   UPC: 799441256618

Features

  • The Flora Series is a hydroponic-based nutrient system that helps fulfill your plants nutrient needs at every stage of growth
  • Nutrients included in the Series are FloraMicro, FloraBloom, and FloraGro
  • FloraMicro: contains nitrogen and calcium, as well as trace minerals, which are essential for a comprehensive hydroponic plant diet
  • FloraBloom: adds phosphorus, potassium, magnesium, and sulfur to provide nutrients for flower and fruit development
  • FloraGro: provides additional nitrogen and potassium for structural and foliar growth
  • See more on Amazon...

Floramicro: Contains Nitrogen And Calcium, As Well As Trace Minerals, Which Are Essential For A Comprehensive Hydroponic Plant Diet.
Floragro: Provides Additional Nitrogen And Potassium For Structural And Foliar Growth.
Florabloom: Adds Phosphorus, Potassium, Magnesium, And Sulfur To Provide Nutrients For Flower And Fruit Development.
Nutrients Included In The Series Are Floramicro, Florabloom, And Floragro.

Brand: General Hydroponics   |   Manufacturer: Hawthorne Hydroponics, LLC

Dimensions: 9.00 x 9.90 x 3.30 inches   |   Weight: 7.95 Pounds

Amazon Price: $37.77 ($0.39 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock

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  #9

AeroGarden Liquid Nutrients (1 Liter)

Asin: B004M5NGJG   |   Model: 970281-0000   |   PartNumber: 970281-0000   |   Ean: 0810705014727   |   UPC: 810705014727

Features

  • Liquid plant food contains a pH buffering system great for houseplants and all hydroponic gardening applications for consistent, fast growth
  • Indoor gardening with an AeroGarden growing system provides water and food reminders to help plants thrive
  • Plant fertilizer is instantly available to plants and improves the release of critical micronutrients
  • This Indoor plant food is great paired with our Easy Feed Plant Food Nutrient Dispensers (sold separately) that provide precise measurements in milliliters
  • 1 Liter food for plants has a long shelf life and provides more than 100 AeroGarden feedings
  • See more on Amazon...

Plant Fertilizer Is Instantly Available To Plants And Improves The Release Of Critical Micronutrients.
1 Liter Food For Plants Has A Long Shelf Life And Provides More Than 100 Aerogarden Feedings.
This Indoor Plant Food Is Great Paired With Our Easy Feed Plant Food Nutrient Dispensers (Sold Separately) That Provide Precise Measurements In Milliliters.
Indoor Gardening With An Aerogarden Growing System Provides Water And Food Reminders To Help Plants Thrive.

Brand: AeroGarden   |   Manufacturer: AeroGarden

Dimensions: 7.50 x 5.00 x 2.00 Inches   |   Weight: 2.60 pounds

Amazon Price: $34.15 ($1.01 / Fl Oz) | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock
Used Price: $30.10 ($0.89 / Fl Oz)

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  #10

MASTERBLEND 4-18-38 Complete Combo Kit Fertilizer Bulk (12.5 Pound Kit)

Asin: B0727VTWH5   |   Model: MASTERBLEND-COMBO_12.5LB-KIT   |   PartNumber: MASTERBLEND-COMBO_12.5LB-KIT

Features

  • MasterBlend 4-18-38 Master Kit (3 Separate Components in correct amounts)
  • Contains MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate)
  • Used by professionals worldwide for optimum plant growth
  • 100% Water Soluble for easy plant uptake
  • Packed by weight in a 1/1/0.5 ratio based off the MasterBlend recipe of 12g MB, 12g, CN, and 6g ES
  • See more on Amazon...

Used By Professionals Worldwide For Optimum Plant Growth.
Packed By Weight In A 1/1/0.5 Ratio Based Off The Masterblend Recipe Of 12G Mb, 12G, Cn, And 6G Es.
100% Water Soluble For Easy Plant Uptake.
Contains Masterblend 4-18-38, Calcium Nitrate 15.5-0-0, And Epsom Salt (Magnesium Sulfate).

Brand: ZYZYZK   |   Manufacturer: MasterBlend

Weight: 10.00 pounds

Amazon Price: $39.99 | as of 05/26/2024 (5:52am pst) *DETAILS
Availability: In Stock

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