Top 10 Liquid Kelp Extract Fertilizer – Garden Fertilizers

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1. GS Plant Foods

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Makes up to 770 Gallons Liquid Kelp Concentrate for Gardens, Lawns & Soil, Omri Listed1 Gallon, Organic Kelp Fertilizer by GS Plant Foods

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GS Plant Foods #ad - Our products are organic, no matter what you're growing or what medium in which your plants are growing. In lieu of trying to catch specific growth stages, apply every 4 to 7 days. Our seaweed extract greatly increases your plant’s resistance to stressors such as excessive heat, wind, drought conditions and more.

We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Easy to apply for natural great results: apply liquid kelp to improve specific growth stages. Omri ​organic listed seaweed & kelp fertilizer: liquid kelp is a natural plant food that provides a range of benefits for plant health and growth. Using gs plant foods seaweed plant fertilizer will lead to healthier crop yields and general plant well being. To promote additional buds, spray 10 days before harvesting.

One of nature’s ‘miracle’ plant foods: made from the finest seaweed plant ascophyllum nodosum, this is one of nature’s miracle plant foods. This liquid kelp should be sprayed in the morning or late afternoon when the leaves stoma are open. To lengthen the life of cut flowers, apply when plants are beginning to bud. Our liquid seaweed will help stimulate natural root growth, mineral uptake and overall plant growth and vigor. Omri listed for organic use, gs Plant Foods Liquid Seaweed Fertilizer is a completely natural, seaweed extract fertilizer for plants.
BrandGS Plant Foods #ad
Height11 Inches
Length7 Inches
Weight8 Pounds
Width4 Inches
Part Number0L-9CFJ-FZS2
ModelLK1gallon

2. Bloom City

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Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City, Quart 32 oz Concentrated Makes 180 Gallons

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Bloom City #ad - You can see the difference. Bloom city chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems. Extracted to protect natural enzymes: clean kelp’s unique processing techniques give the cleanest possible kelp extract.

Get all the benefits of natural kelp enzymes and hormones without the non-nutritious fibrous pulp that gives other kelps their thick, brackish appearance. No risk of over application, plants love kelp. For both plants and lawns: add Clean Kelp to all of your houseplants, vegetable garden, and your lawn for healthy green plants. Fully organic seaweed and kelp: a seven species blend of Ascophyllum Nodosum, Ecklonia Maxima, Arthrospira Platensis, Palmaria Palmata, Laminaria Saccharina, Chlorella Vulgaris, and Chondrus Crispus.

Formulated and made in the usa: designed by botanists and plant chemists. Clean kelp aids in every stage of growth for root and stem health. Simple and safe to use for all plants: add to every watering, it’s that easy.
BrandBloom City #ad
ManufacturerBloom City #ad
Weight2 Pounds
Part Numberkelp-32-fba-upc-0422

3. Bloom City

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Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City, 8 oz Concentrated Makes 45 Gallons

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Bloom City #ad - Extracted to protect natural enzymes: clean kelp’s unique processing techniques give the cleanest possible kelp extract. Bloom city chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems.

Formulated and made in the usa: designed by botanists and plant chemists. Get all the benefits of natural kelp enzymes and hormones without the non-nutritious fibrous pulp that gives other kelps their thick, brackish appearance. No risk of over application, plants love kelp. For both plants and lawns: add Clean Kelp to all of your houseplants, vegetable garden, and your lawn for healthy green plants.

Clean kelp aids in every stage of growth for root and stem health. Fully organic seaweed and kelp: a seven species blend of Ascophyllum Nodosum, Ecklonia Maxima, Chlorella Vulgaris, Palmaria Palmata, Laminaria Saccharina, Arthrospira Platensis, and Chondrus Crispus. You can see the difference. Simple and safe to use for all plants: add to every watering, it’s that easy.
BrandBloom City #ad
ManufacturerBloom City #ad
Weight0.5 Pounds
Part Numberkelp-8

4. Down To Earth All Natural Fertilizers

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1 Quart, Down to Earth Liquid Fish & Kelp 2-4-1

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Down To Earth All Natural Fertilizers #ad - Ideal for enhancing plant development and promoting longer growing periods for all garden vegetables, herbs, fruits, vines and ornamentals. Provides three plant macronutrients and stimulates soil biological activity. Most effective as a soil drench and is designed for plants grown in garden soils, potting soils or soilless media. An all-purpose natural-based liquid fertilizer made from pure hydrolyzed fish protein and a concentrated extract of cold water Ascophyllum nodosum seaweed. Listed by the organic Materials Review Institute OMRI for use in organic production.
BrandDown To Earth All Natural Fertilizers #ad
ManufacturerDown To Earth All Natural Fertilizers #ad
Part NumberDTE-FERT-LIQ-FishKelp-32oz

5. Marine Magic

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Marine Magic Dry Soluble Seaweed Extract 100% Organic Garden Fertilizer Makes 128 Gallons 484 L Kelp Liquid Solution

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Marine Magic #ad - Non-gmo, vegan, odor-free. Takes up no space, no plastic, and convenient to use. Extends shelf life of fruits, vegetables and flowers. Improves seed germination and increases root development. Increases plant vigor to combat extreme weather. No chemicals, only natural ingredients. Promotes bloom set, new buds and size of flowers and fruit.
BrandMarine Magic #ad
ManufacturerAgrica #ad
Weight0.13 Pounds

6. Ocean Harvest

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Liquid Seaweed Kelp Fertilizer by Ocean Harvest | Organic Fertilizer from Seaweed Extract for Plants | Organic Fertilizer for Vegetables | Liquid Kelp is a Liquid Fertilizer for Indoor Plants

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Ocean Harvest #ad - Our cold-process protects the vitamins, amino acids, enzymes, and growth hormones that create larger flower blooms, tastier fruits and vegetables.

Promotes the growth of beneficial bacteria, making the soil less compact and working as a compost builder. Blooms are more plentiful and longer lasting on flowering plants. Ocean harvest fish hydrolysate and organic kelp is an all organic protein fertilizer, made utilizing naturally occurring enzymes present in fresh North Atlantic fish and Seaweed harvested from the North Atlantic waters of Nova Scotia, Canada. Omri listed organic; 100% organic, so it won't burn plants or roots or pollute the environment.
BrandOcean Harvest #ad
ManufacturerEZ-gro Products #ad
Height8 Inches
Length5 Inches
Width2 Inches

7. Root 98 Warehouse

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Kelp Green Liquid Organic Plant Food Quart

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Root 98 Warehouse #ad - Promotes plant growth, greener leaves, and greener lawns. Size: 1 Quart. For large quantity discount consideration or to request a mixed multi-pack, please message us. Derived from seaweed and oceanic fish. All natural Organic Fertilizer.
BrandRoot 98 Warehouse #ad
ManufacturerSouthern Ag #ad
Height1 Inches
Length1 Inches
Weight1 Pounds
Width1 Inches
Part NumberGL61100509323
ModelGL61100509323

8. Vine Vitality

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8oz., Kelp-tivate Liquid Seaweed Concentrate, Super Plant Food

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Vine Vitality #ad - High concentrate Kelp Plant Food Boost. Ideal for foliar spray. Compare npk’s: high % "k" 0-0-2 Potassium. 100% soluble Kelp. Big blooms + More Produce.
BrandVine Vitality #ad
ManufacturerVine Vitality #ad
Weight0.6 Pounds

9. Fox Farm

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Fox Farm 732934 FoxFarm Bushdoctor Kelp You Fertilizer, Clear, 1 Quart

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Fox Farm #ad - It is a natural, organic seaweed extract derived from Norwegian kelp, Ascophyllum nodosum. Liquid concentrate suitable for fruits, gardens, vegetables, lawns, flowers and hydroponic applications. Not for sale in: MO. Improves water holding characteristics of soil and contains numerous plant growth promoting substances.
BrandFox Farm #ad
ManufacturerSunlight Supply Inc. #ad
Height10 Inches
Length5 Inches
Weight2.5 Pounds
Width5 Inches
Part NumberFX14111
Model732934

10. Blue Planet Nutrients

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Liquid Seaweed for Plants 128 oz Gallon | Concentrated Liquid Kelp Supplement | Makes UP to 1,890 GALLONS | for All Plants & Gardens | Blue Planet Nutrients

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Blue Planet Nutrients #ad - Seaweed usable by plants: derived from organic ascophyllum nodosum Seaweed which naturally contains carbohydrates, flowers, houseplants, succulents and cacti, fruit trees, garden vegetables and herbs, and organic matter! All varieties of plants will benefit: Such as citrus, micro-nutrients, shrubs, and so much more!.

The power of seaweed in a bottle: our liquid kelp supplement helps overall plant vitality for all varieties of plants growing in any type of garden! Trusted brand: blue planet Nutrients wants you to succeed so our products are specially formulated for success in the garden! Formulated for all types of gardens/growing media: Can be used in soil, hydroponic, clay pellets, rockwool, coco coir, aeroponic gardens etc.
BrandBlue Planet Nutrients #ad
ManufacturerBlue Planet Nutrients #ad
Height11.88 Inches
Length7.48 Inches
Weight8 Pounds
Width3.87 Inches
Part Number4336442283