Top 18 Best Ocean Liquid Fertilizers 2022 [Expert’s Reviews]

1. MicroLife Ocean Harvest (4-2-3) Professional Grade Organic Liquid Fertilizer Concentrate for All Plants All the Time

MicroLife Ocean Harvest (4-2-3) Professional Grade Organic Liquid Fertilizer Concentrate for All Plants All the Time

  • PROFESSIONAL MULTI-PURPOSE FOLIAR NUTRITION SPRAY: Provides over 100 + minerals, vitamins, natural plant hormones, natural plant stimulators, essential sugars/amino acids/carbon and protein
  • COMPLETELY ORGANIC : 100% slow releases, 2% iron, will not burn and easy to use
  • IMPROVES ALL PLANTS AND SOILS: for all new and established vegetables, flowers, ornamentals, perennials, trees and bushes
  • FAST ACTING: readily absorbed through plant leaves and roots, encourages the growth of beneficials.
  • MANUFACTURED FOR OVER 30 YEARS: All products are made in small batches from top quality ingredients under strict quality control. All ingredients are honestly listed on the packages. Favored by organic growers, co-ops, landscape professionals and universities.

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2. Fish and Seaweed Fertilizer from Ocean Harvest

Fish and Seaweed Fertilizer from Ocean Harvest

Fish and Seaweed Fertilizer from Ocean HarvestFish and Seaweed Fertilizer from Ocean Harvest
  • 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
  • Our cold-process protects the vitamins, amino acids, enzymes, and growth hormones that create larger flower blooms, tastier fruits and vegetables
  • 100% organic, so it won’t burn plants or roots or pollute the environment.
  • PMakes the soil less compact, working as a compost builder
  • Blooms are more plentiful and longer lasting on flowering plants

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3. MicroLife Ocean Harvest (4-2-3) Professional Grade Organic Liquid Fertilizer Concentrate for All Plants All the Time

MicroLife Ocean Harvest (4-2-3) Professional Grade Organic Liquid Fertilizer Concentrate for All Plants All the Time

  • PROFESSIONAL MULTI-PURPOSE FOLIAR NUTRITION SPRAY: Provides over 100 + minerals, vitamins, natural plant hormones, natural plant stimulators, essential sugars/amino acids/carbon and protein
  • COMPLETELY ORGANIC: 100% slow releases, 2% iron, will not burn and easy to use
  • IMPROVES ALL PLANTS AND SOILS: for all new and established vegetables, flowers, ornamentals, perennials, trees and bushes
  • FAST ACTING: readily absorbed through plant leaves and roots, encourages the growth of beneficials.
  • MANUFACTURED FOR OVER 30 YEARS: All products are made in small batches from top quality ingredients under strict quality control. All ingredients are honestly listed on the packages. Favored by organic growers, co-ops, landscape professionals and universities.

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4. Liquid Seaweed Kelp Fertilizer by Ocean Harvest

Liquid Seaweed Kelp Fertilizer by Ocean Harvest

Liquid Seaweed Kelp Fertilizer by Ocean HarvestLiquid Seaweed Kelp Fertilizer by Ocean Harvest
  • 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
  • Our cold-process protects the vitamins, amino acids, enzymes, and growth hormones that create larger flower blooms, tastier fruits and vegetables
  • OMRI listed Organic; 100% organic, so it won’t burn plants or roots or pollute the environment
  • 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

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5. Ocean Magic Sea Mineral Fertilizer by GS Plant Foods

Ocean Magic Sea Mineral Fertilizer by GS Plant Foods

Ocean Magic Sea Mineral Fertilizer by GS Plant FoodsOcean Magic Sea Mineral Fertilizer by GS Plant FoodsOcean Magic Sea Mineral Fertilizer by GS Plant FoodsOcean Magic Sea Mineral Fertilizer by GS Plant FoodsOcean Magic Sea Mineral Fertilizer by GS Plant Foods
  • ORGANIC PLANT FERTILIZER: GS Plant Foods Ocean Magic Sea Minerals works as a soil fertility supplement that re-mineralizes the soil. Ocean Magic is derived from extremely clean sea water. This ocean fertilizer contains all the minerals in the same proportions that those same minerals occur in the blood of healthy animals. Anyone who wants to optimize their garden and improve the mineral content of their soil and vegetation can do so by applying Ocean Magic.
  • WATER-BASED SPRAY SOLUTION: This mineral fertilizer is 100% water-soluble in contrast to rock powders which are not. Ocean Magic Sea Minerals is helpful to all types of soil and any growing conditions. GS Plant Foods sea fertilizers will produce major improvements in your plant’s growth (volume) and will improve the nutrient value and taste of food products you grow. Our ocean minerals liquid fertilizer is powerful enough for outdoor plants but gentle enough to not burn indoor plants.
  • SPRAY ON ALL PLANTS OR CROPS: GS Plant Foods Ocean Magic Sea Minerals is a high quality organic fertilizer that gives excellent plant growth. GS Plant Foods liquid plant fertilizer can be applied in your lawn and turf, fruits, vegetables, gardens, and house plants without concern for waste or harmful chemicals. GS Plant Foods house plant fertilizer greatly benefits the development of the plant’s root system, resulting in stronger, healthier plant, enabling growth and nutrient uptake.
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: For gardens; mix 1 ounce of Ocean Magic Sea Minerals per gallon, and apply until runoff every 7-14 days. For houseplants; mix 1 ounce per gallon of water. Spray directly onto leaves. Apply every 7-14 days. For hydroponic use; add 0.5 ounces per gallon of growing solution. For lawn and turf, mix 1 ounce per gallon of water. Spray lawn every 21 days. Do not apply when there is rain forecast. Apply only when you will have atleast 3 hours dry time.
  • TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality products available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our plant food fertilizer products are organic, easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you’re growing or what medium in which your plants are growing.

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6. OceanSolution 2-0-3 – Plant Food – Liquid Organic Fertilizer for Gardens

OceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for Gardens

OceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for Gardens
  • OMRI listed for Organic use
  • Complete Plant Nutrition – All 90 macro, micro, trace, and ultra-trace mineral nutrients
  • More Blooms, Greener Lawns, Bigger Yeilds, and Better Tasting Plants
  • Restores Depleted Minerals In Soils and Plants
  • Non-Toxic – Safe for Children and Pets

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7. Fox Farm FX14091 Big Bloom Liquid Concentrate Fertilizer

Fox Farm FX14091 Big Bloom Liquid Concentrate Fertilizer

  • Made in United States
  • The package length is 4.064 centimeters
  • The package height is 20.066 centimeters
  • The package width is 6.35 centimeters

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8. OceanSolution 2-0-3 – Plant Food – Liquid Organic Fertilizer for Gardens

OceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for Gardens

OceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for GardensOceanSolution 2-0-3 - Plant Food - Liquid Organic Fertilizer for Gardens
  • OMRI listed for Organic use
  • Complete Plant Nutrition – All 90 macro, micro, trace, and ultra-trace mineral nutrients
  • More Blooms, Greener Lawns, Bigger Yeilds, and Better Tasting Plants
  • Restores Depleted Minerals In Soils and Plants
  • Non-Toxic – Safe for Children and Pets

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9. MARPHYL Organic Liquid Fertilizer – Outdoor & Indoor Plant Food

MARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant Food

MARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant FoodMARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant FoodMARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant FoodMARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant FoodMARPHYL Organic Liquid Fertilizer - Outdoor & Indoor Plant Food
  • Superior Liquid Plant Food – MARPHYL Marine Phytoplankton is ideal as an outdoor and indoor plant fertilizer. It’s an excellent vegetable fertilizer, houseplant fertilizer, and lawn fertilizer. It’s great for your garden, greenhouse, and hydroponics. Enjoy gorgeous, colorful blooms with this exceptional flower food. Enhance soil quality and watch your trees, shrubs, vines, grass, plants, flowers, and vegetables thrive.
  • Naturally Boost Plant Health – Marine Phytoplankton are Microalgae full of nutrients, vitamins, and minerals. It’s so much more than your average liquid plant fertilizer. MARPHYL’s fertilizer for indoor plants and outdoor plants, grasses, trees, flowers and more, provides an astounding array of nutritional elements. Packed with vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, chlorophyll, and a vast spectrum of phytochemicals, so your lawn, garden, and greenhouses will flourish
  • Organic & Sustainable – Our Liquid Marine Phytoplankton Soil Enhancer is an organic, all purpose plant food that is harvested 100% naturally. It’s vegan, non-toxic, non-GMO & sustainably made with no preservatives making it safe for vegetable gardening, ground water, and pets. It replenishes your soil on a regular basis to ensure the continued growth and beauty of your vegetation. Our organic plant fertilizer will meet your every need and provide a safe environment for all gardening.
  • Miraculous & Beneficial – Found in oceans across the world, marine phytoplankton are micro algae that infuse your plants, trees, grasses, and more with everything they need for health and longevity. High in potassium, nitrogen, and phosphorus as well as calcium and magnesium for lush foliage. Your lawn & garden will be the envy of the neighborhood, and your indoor plants will brighten your home.
  • Easy to Use Water Soluble Fertilizer – Simply mix a 1:20 ratio of our liquid plant fertilizer with water. Once in the water, stir, and then pour onto the plants. Perfect for use in small and large sprayers. Recommended use is every two weeks. You’ll see the difference after just one application!

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10. FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom

FoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom

FoxFarm Liquid Nutrient Trio Soil Formula: Big BloomFoxFarm Liquid Nutrient Trio Soil Formula: Big BloomFoxFarm Liquid Nutrient Trio Soil Formula: Big BloomFoxFarm Liquid Nutrient Trio Soil Formula: Big Bloom
  • Big Bloom, Grow Big, and Tiger Bloom — The Right Juice for the Right Use!
  • Start with Grow Big for abundant green growth
  • Switch to Tiger Bloom at the first sign of bud set or flowering
  • Use Big Bloom throughout all growing cycles to heal root systems and increase nutrient cycling
  • Ideal for mature, late-season flowers and fruit

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11. Organic Kelp Fertilizer by GS Plant Foods

Organic Kelp Fertilizer by GS Plant Foods

Organic Kelp Fertilizer by GS Plant FoodsOrganic Kelp Fertilizer by GS Plant FoodsOrganic Kelp Fertilizer by GS Plant FoodsOrganic Kelp Fertilizer by GS Plant FoodsOrganic Kelp Fertilizer by GS Plant Foods
  • OMRI ​ORGANIC LISTED SEAWEED & KELP FERTILIZER: Liquid Kelp is a natural plant food that provides a range of benefits for plant health and growth. OMRI listed for organic use, GS Plant Foods Liquid Seaweed Fertilizer is a completely natural, seaweed extract fertilizer for plants. Our liquid seaweed will help stimulate natural root growth, mineral uptake and overall plant growth and vigor. This can be applied to any type of soil or plant without concern for waste or harmful chemicals.
  • ONE OF NATURE’S ‘MIRACLE’ PLANT FOODS: Made from the finest seaweed plant Ascophyllum Nodosum, this is one of nature’s miracle plant foods. Our seaweed extract greatly increases your plant’s resistance to stressors such as excessive heat, wind, drought conditions and more. The seaweed fertilizer for plants will increase the bloom set and size of flowers and fruit. It increases and stabilizes chlorophyll in plants, which results in darker green leaves and increased sugar content in plants.
  • OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, kelp liquid fertilizer acts as an efficacious growth promoter. GS Plant Foods sea kelp fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. Using GS Plant Foods seaweed plant fertilizer will lead to healthier crop yields and general plant well being.
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: Apply liquid kelp to improve specific growth stages. To promote additional buds, apply when plants are beginning to bud. To extend the shelf life of fruits and vegetables, spray 10 days before harvesting. To lengthen the life of cut flowers, spray a day or two before cutting. In lieu of trying to catch specific growth stages, apply every 4 to 7 days. This liquid kelp should be sprayed in the morning or late afternoon when the leaves stoma are open.
  • TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality organic seaweed fertilizer products available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our products are organic, easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you’re growing or what medium in which your plants are growing.

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12. Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City Gallon

Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City Gallon

Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City GallonOrganic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City GallonOrganic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City GallonOrganic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City GallonOrganic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City Gallon
  • FULLY ORGANIC SEAWEED AND KELP: A seven species blend of Ascophyllum Nodosum, Palmaria Palmata, Ecklonia Maxima, Laminaria Saccharina, Chlorella Vulgaris, Arthrospira Platensis, and Chondrus Crispus.
  • 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.  You can see the difference.
  • SIMPLE AND SAFE TO USE FOR ALL PLANTS: Add to every watering, it’s that easy. No risk of over application, plants love kelp. Clean Kelp aids in every stage of growth for root and stem health.
  • FOR BOTH PLANTS AND LAWNS: Add Clean Kelp to all of your houseplants, vegetable garden, and your lawn for healthy green plants.
  • FORMULATED AND MADE IN THE USA: Designed by botanists and plant chemists. Bloom City chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems

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13. Burt’s Bees Baby Changing Pad Cover, 100% Organic Cotton Changing Pad Liner for Standard 16″ x 32″ Baby Changing Mats

Burt

Burt's Bees Baby Changing Pad Cover, 100% Organic Cotton Changing Pad Liner for Standard 16Burt's Bees Baby Changing Pad Cover, 100% Organic Cotton Changing Pad Liner for Standard 16Burt's Bees Baby Changing Pad Cover, 100% Organic Cotton Changing Pad Liner for Standard 16Burt's Bees Baby Changing Pad Cover, 100% Organic Cotton Changing Pad Liner for Standard 16Burt's Bees Baby Changing Pad Cover, 100% Organic Cotton Changing Pad Liner for Standard 16
  • Burt’s Bees Baby – Changing Pad Cover – Jersey Knit
  • BEESNUG 360º, premium elastic with extra stretch provides a safer, snugger fit
  • 100% organic, GOTS certified, breathable cotton – the purest layer for baby’s thin and porous skin
  • Machine washable and dryable products get softer with every wash
  • Dimensions: 16″ x 32″ – For Standard Baby Changing Pads

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14. MicroLife Ocean Harvest (4-2-3) Professional Grade Organic Liquid Fertilizer Concentrate for All Plants All The Time

MicroLife Ocean Harvest (4-2-3) Professional Grade Organic Liquid Fertilizer Concentrate for All Plants All The Time
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15. SEA-90 Organic Fertilizer for Hydroponics

SEA-90 Organic Fertilizer for Hydroponics

  • ODOR FREE You can use SEA-90 indoors without any fear of awful and offensive smells that can be associated with other organic and chemically produced fertilizers. SEA-90 is completely odor free. NOTE: We are currently unable to ship SEA-90 Agricultural Mineral to the state of Washington. Our apologies for the inconvenience.
  • WATER-SOLUBLE SEA-90 is water soluble and works great in a sprayer or spray bottles, and is excellent in providing nutrients in hydroponic applications.
  • MULTI PURPOSE SEA-90 improves the health, growth, and fruit of any plants or trees. You do not have to buy multiple fertilizers and combinations to try and make it work. Sea-90 is a complete good-for-everything organic fertilizer.
  • TRULY GREEN Whether you are growing vegetables for your family, raising citrus trees or flower gardens, or even a farmer growing row crops, you need to know SEA-90. This 100% Organic Fertilizer is collected from the marine mineral solids found in the
  • ORGANIC SEA-90 is certified by the Organic Materials Review Institute (OMRI product number saa-0132 and saa-2951) with no restrictions as both a fertilizer and livestock feed additive. It is 100% All Natural and safe for you, your pets, and your family

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16. FoxFarm Fertilizer Grow Big – 1 Pint Bottle + Twin Canaries Chart & Pipette

FoxFarm Fertilizer Grow Big - 1 Pint Bottle + Twin Canaries Chart & Pipette

FoxFarm Fertilizer Grow Big - 1 Pint Bottle + Twin Canaries Chart & PipetteFoxFarm Fertilizer Grow Big - 1 Pint Bottle + Twin Canaries Chart & PipetteFoxFarm Fertilizer Grow Big - 1 Pint Bottle + Twin Canaries Chart & Pipette
  • Organic-based concentrate made up of a comprehensive blend of major; minor; and micro nutrients
  • Grow Big was designed to promote spectacular growth
  • Growers find it optimal for roses; tomatoes; veggies; flowers; fruits; herbs; and lawns

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17. FoxFarm Grow Big Liquid Fertilizer, 1 Pint Bottle

FoxFarm Grow Big Liquid Fertilizer, 1 Pint Bottle
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18. Fox Farm Liquid Nutrient Trio Soil Formula

Fox Farm Liquid Nutrient Trio Soil Formula

Fox Farm Liquid Nutrient Trio Soil FormulaFox Farm Liquid Nutrient Trio Soil Formula
  • A three-pack of favorite liquid fertilizers from FoxFarm
  • Grow Big produces lush, vegetative, compact growth
  • Tiger Bloom is an ultra-potent, fast-acting, high-phosphorus fertilizer
  • Big Bloom Plant Food concentrate is ideal for all flowering and fruiting plants
  • Comes with : 1 Pint Big Bloom, 1 Pint Tiger Bloom, 1 Pint Grow Big

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