Top 10 Organic Hydroponic Nutrients for Lettuce – Garden Fertilizers

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1. Mr. Fulvic


Plant Health 8 oz, Mr. Fulvic Organic Fulvic Acid Plant Amendment, Natural Humic Soil and Hydroponic Nutrient Enhancer, Lawn and Garden Growth

Mr. Fulvic #ad - It is naturally safe and can be used with all nutrient product lines. Fulvic can be used on your lawn, lemon trees, blueberry bushes, tomato plants, and more.

Fulvic will take your growing operation to its fullest potential. Fulvic increases nutrient absorption leading to more vigorous growth and overall health of your plants and lawn. A staple in every garden: mr. Fulvic works with any application, whether you're using hydropoinic, aquaponic or soil methods. Works with any growing system: mr. Whether you are a professional or garden hobbyist, seeds, Mr. Watch your lawn and garden thrive: Mr. Organic fulvic/humic minerals: Liquid organic solution mined from our unique deposit of humic shale, which is more than thirty million years old.
BrandMr. Fulvic #ad
ManufacturerMr. Fulvic #ad
Weight0.5 Pounds

2. Go Grow Planters


Herbs and Flowers. Formulated and Premeasured for All Types of Hydroponic or Soil-Filled Container Growing; 5-Pack, Leafy Greens, Go Grow Hydroponic Nutrients for All Veggies

Go Grow Planters #ad - Easy to use - simply tear open the foil lined pouch, pour into water and gently stir. Nutrient solution can be stored in a light-blocking container for months. Works great in all types of hydroponic systems and slows root binding in soil-filled containers - Developed to work with simple non-circulating hydroponic technology, but also works great with all types of hydroponic and soil-filled container growing methods.

No need to test ph, ec/ppm or measure – we’ve made it that simple! Convenient - pre-measure packets available in a 3. 5 and 5. 5 gallon sizes – makes a total of 17. 5 gallons or 27. 5 gallons. Perfect plant food for all stages of plant growth - complete nutrition for any type of hydroponic and container soil gardening.

Nutrients are kept dry and fresh until you need them. Support a great cause! - go grow works with Operation Mobilization Not-For-Profit to give a portion of every sale which helps those in struggling communities. Dissolves easily in all types of water and provides your seedlings and plants with the 16 macro/micro nutrients needed for beautiful, healthy, repeatable results.
BrandGo Grow Planters #ad
ManufacturerGreencare, Inc. #ad
Height0.75 Inches
Length8.13 Inches
Width5 Inches
Part NumberNUTKIT-SQ5

3. EZ-gro


EZ-gro Liquid Plant Food for Aerogardens 1 QT | Hydroponic Liquid Fertilizer for Smart Garden | Liquid Fertilizer is a Replacement for Aerogarden Liquid Plant Food | Source of Hydroponic Nutrients

EZ-gro #ad - One part nutrient solution - for seed starting, vegetative growth, flowering and fruiting. More than 100 feedings - 1 quart 32 FL OZ will provide over 100 feedings of plant nutrients. Works in all - aerogarden models and Smart Garden models as it is a compatible replacement for Aerogarden plant food. Dispenser cup - comes with an EZ to use dispenser cup with ml markings to deliver hydroponics nutrients. Can be used for - both indoor and outdoor plants and all hydroponic fertilizer applications. All in one liquid plant fertilizer.
BrandEZ-gro #ad
ManufacturerEZ-gro Products #ad
Height8 Inches
Length5 Inches
Width2 Inches

4. Blue Planet Nutrients


Farmer's Pride 3-Part Organic Blend Fertilizer Set 32 oz Jugs Quart | Concentrated Plant Food for All Plants & Gardens | Makes Up to 470 Gallons | Blue Planet Nutrients

Blue Planet Nutrients #ad - Simply dilute the appropriate amount of each part in water, EFFECTIVE FORMULA: Easy to use, then feed to plants. Complete plant nutrition: An organic blend 3-part base nutrient system for complete plant nutrition from seedling to harvest.

Safe, high quality fertilizer for plants and gardens. Professional grade products: high quality, Bloom, Micro, ultra-concentrated formula; Contains 1 quart of each Farmer's Pride Grow, with mixing instructions!. For all plants & gardens: farmer's Pride can be used in soil, coco-coir, hydroponic systems, all soil-less mediums such as vermiculite and perlite.
BrandBlue Planet Nutrients #ad
ManufacturerBlue Planet Nutrients #ad
Weight2 Pounds
Part Number4316245792

5. General Hydroponics


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

General Hydroponics #ad - Nutrients included in the Series are FloraMicro, FloraBloom, and FloraGro. The flora series is a hydroponic-based nutrient system that helps fulfill your plants’ nutrient needs at every stage of growth. 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.
BrandGeneral Hydroponics #ad
ManufacturerGeneral Hydroponics #ad
Height9 Inches
Length10 Inches
Width10 Inches
Part NumberHGCVB00062

6. MasterBlend


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

MasterBlend #ad - Contains masterblend 4-18-38, calcium Nitrate 15. 5-0-0, and epsom Salt Magnesium Sulfate. 100% water soluble for easy plant uptake. Used by professionals worldwide for optimum plant growth. Masterblend 4-18-38 master Kit 3 Separate Components in correct amounts. Packed by weight in a 1/1/05 ratio based off the masterblend recipe of 12g MB, CN, 12g, and 6g ES.
BrandMasterBlend #ad
ManufacturerMasterBlend #ad
Weight10 Pounds

7. AeroGarden


AeroGarden Liquid Nutrients 1 Liter

AeroGarden #ad - Additional nutrients for your AeroGarden. Also great for indoor and outdoor plants, shrubs and trees. One-part nutrient perfect for seedlings, vegetative growth and flowering. More than 100 feedings. Works in all Miracle-Gro AeroGarden models. Patented, ph buffering system great for all hydroponic applications.
BrandAeroGarden #ad
ManufacturerAeroGrow #ad
Height7.5 Inches
Length5 Inches
Weight2.6 pounds
Width2 Inches
Part Number970281-0000

8. Urban Leaf


Liquid Plant Food Hydroponic Nutrients 8 oz – Hydroponic Fertilizer with pH Stabilizer for Better Absorption – Easy-Pour, No-Drip Container – Plant Nutrients & Hydroponic Plant Food by Urban Leaf

Urban Leaf #ad - Check out our full range by clicking the company name link on the top of this listing. Took a chance on this brand and my results have been AWESOME! My cilantro and basil both have giant leaves and taste wonderful!!! Thanks so much.

All future refills will be through you all. Liquid plant food: all-round hydroponic nutrient solution suitable for AeroGardens, Drip systems and more. Get it in the system, ebb & flow, Kratky, NFT, not all over your hands and the floor. Visit us on amazon: urban leaf specializes in beginner-friendly indoor gardening products. Better than original. All in one nutrient solution: includes a powerful pH stabilizer, which means water chemistry is maintained for longer making it easier for your plants to absorb the nutrients they need.

Easy-measure no-drip bottle. I have refilled my Aero garden with their propriety liquid twice. Check out the reviews: ward writes: 5. 0 out of 5 stars. Suitable for aerogarden: this blend works well with Aero Garden, and the back of the bottle contains recommended amounts for all AeroGarden models.
BrandUrban Leaf #ad
ManufacturerUrban Leaf #ad
Height6 Inches
Length3.5 Inches
Weight0.5 Pounds
Width1.5 Inches
Part NumberUL-ARO-10202
WarrantySatisfaction Guaranteed or your money back. Please contact us if you are not happy with this purchase for either a refund or replacement.

9. Humboldts Secret


Humboldts Secret Base A & B Bundle – World's Best Base Nutrient System – Liquid Nutrient/Fertilizer for Outdoor & Indoor Plants – Supports Vegetative and Flowering Stages of Plants – Set of Quarts

Humboldts Secret #ad - Appropriate for all plant life: base nutrients are the building blocks of all plant life. Compatible with all growing mediums: Our clean-running formula is suitable for all grow mediums, aquaponics, hydroponics, including potting soil for indoor plants, and coco coir cultivations.

Thousands of home and commercial growers use Humboldts Secret Grow & Bloom Base System. 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. 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. Our signature blend consists of Nitrogen, Phosphorus, Magnesium, Potassium, Calcium, and more.

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. It works on all plants, trees, flowers, bushes, and lawns. We recommend application with every watering for maximum results. It’s made from quality ingredients that are 100% water soluble and pH-balanced for ease of use.
BrandHumboldts Secret #ad
ManufacturerHumboldts Secret #ad
Part Number4316245515

10. ENVY


ENVY Part A 6-0-5 & Part B 1-5-6, Two-Part Base Nutrients for Hydroponics, Soil & Coir A/B Combo Quarts

ENVY #ad - High calcium content 5% ca for strong, tall, hardy plants. Ultra concentrated - a little ENVY goes a long way; offering Greenhouse Grade nutrients for abundant harvests. Prime nutrient blend ensures maximum absorption for your plants - thanks to scientifically formulated Iron Fe chelated with DTPA. 2-part nutrient pack - two bottles is all you need from start to finish of your grow cycle! No need for complex nutrient schedules. Grow green with envy to get the best out of your grow's genetics using ENVY's fortified NPK blend for continued quality growth.
BrandENVY #ad
ManufacturerNational Liquid Fertilizer #ad
Part NumberAB12