Comparison: Best Organic Gem Fish Emulsion (Updated | Dec 1st)

But with so many options out there, how do you know which one truly delivers? In this comparison, we’ll break down the top organic fish emulsions—looking at ingredients, smell, effectiveness, and value—so you can choose the right one with confidence and grow healthier, happier plants the natural way.

Product Comparison: Best Organic Gem Fish Emulsion

Cold-Pressed Boost

1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants, Flowers, Fruits & Vegetables, 2-3-1 NPK – Sustainably Sourced and Hydrolyzed for Steady Growth

1 Gallon Organic Fish Emulsion Fertilizer for Plants - Ideal Liquid Fish Fertilizer for Plants, Flowers, Fruits & Vegetables, 2-3-1 NPK - Sustainably Sourced and Hydrolyzed for Steady Growth

The Grow Co
  • ORGANIC FISH EMULSION FERTILIZER – Our liquid fish fertilizer is made from sustainably sourced fish emulsion and we use up all the parts that would otherwise go to waste. Using an environmentally conscious method, ingredients are refined fresh and 100% cold pressed to help retain all of the nutrients, vitamins, and amino acids needed to grow healthy plants.
  • GROW PLANTS NATURALLY – This wonderfully organic alternative to synthetic fertilizer contains a 2-3-1 NPK ratio perfect for light and frequent applications. Promotes steady, healthy plant development throughout the growing season.
  • ENRICHES SOIL – Helps build a strong foundation for your organic garden to thrive on! Use as an effective soil drench to improve fertility, structure, and encourage the growth of beneficial microorganisms like fungi in your garden’s soil.
  • PRODUCE MORE – Get the most out of your fertilizer and your garden! This organic garden fertilizer helps to increase crop yields and flower blooms. Gentle enough to use as a foliar spray makes this the perfect fish fertilizer for plants, flowers, and vegetables.
  • SMELL THE DIFFERENCE – This fertilizer smells like fish because it’s made from fish! Crafted with high-quality concentrated and undiluted hydrolyzed fish emulsion each bottle gives off a pungent fishy aroma. When compared, we see it like this – if it doesn’t smell, then it’s not real fish!

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Aqua Power Concentrate

Safergro Aqua Power Certified Organic Fish Emulsion Concentrate, 1 Quart

Safergro Aqua Power Certified Organic Fish Emulsion Concentrate, 1 Quart

Safer Gro
  • OMRI certified organic liquid product
  • Contains 20 amino acids, 13 vitamins and 8 minerals to promote health and growth
  • 1 quart concentrate makes 6 to 10 gallons mix depending on application
  • Feeds soil, plants and beneficial soil microbes
  • To be used at any growth stage

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Fast-Acting Kelp

Down To Earth All Natural Fertilizers Organic Liquid Fish & Kelp Concentrate – Plant Food for Vegetable Gardens and Flower Beds – Makes up to 32 Gallons 2-4-1, 32 oz

Down To Earth All Natural Fertilizers Organic Liquid Fish & Kelp Concentrate - Plant Food for Vegetable Gardens and Flower Beds - Makes up to 32 Gallons 2-4-1, 32 oz

Down To Earth All Natural Fertilizers
  • Fast‑acting liquid formula: Perfect for foliar feed or soil drench applications, supporting quick absorption and growth stimulation.
  • Stimulates overall plant vigor: High phosphorus aids flowering and fruiting, while nitrogen supports lush foliage and root development.
  • Organic & soil‑friendly: Helps promote beneficial microbial activity and sustainable soil health due to its fish and kelp base
  • Versatile application rates: For general garden use: ¼–½ cup per gallon of water; for containers: 2–4 Tbsp per gallon; for houseplants: 2 Tbsp per gallon, repeated every 2–4 weeks depending on growth stage
  • Watch out for odor: While extremely effective, many users report a strong fish-like odor characteristic of fish emulsions—though it typically subsides quickly and doesn’t linger long indoors

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Kelp-Infused Growth

Organic Fish Emulsion with Kelp, one Gallon Size

Organic Fish Emulsion with Kelp, one Gallon Size

KEXMY
  • All natural plant food to help plants grow, flower, fruit and stay deep green.
  • This liquid fertilizer is concentrated and must be diluted before use.
  • Derived from: Whole fish and Kelp.
  • One Gallon Size

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Soil Microbe Boost

GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens, Lawns, and Vegetables

GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens, Lawns, and Vegetables

GS Plant Foods
  • ORGANIC MATERIALS REVIEW INSTITUTE LISTED FOR TRUSTED GARDEN CARE Certified by OMRI for use in organic growing, GS Plant Foods Liquid Fish & Kelp Fertilizer delivers reliable, natural nutrition for vegetables, lawns, flowers, and shrubs.
  • SEA-AND-SOIL BASED NUTRITION Made from North Atlantic seaweed (Ascophyllum nodosum) and fresh fish hydrolysate, this liquid concentrate provides essential nutrients and trace minerals that help support healthy soil and plant development.
  • IMPROVES SOIL MICROBIOLOGY & NUTRIENT UPTAKE Supports a thriving soil ecosystem that promotes strong root systems and efficient nutrient absorption — the foundation for resilient, productive plants.
  • EASY-TO-USE CONCENTRATE FOR ALL PLANTS Mix 2 oz per gallon of water and apply as a foliar spray or soil drench every 2–4 weeks. Safe for use on vegetables, fruits, ornamentals, turf, and houseplants.
  • MADE IN THE USA – SUSTAINABLY PRODUCED Proudly produced by GS Plant Foods as a licensed fertilizer manufacturer. No synthetic chemicals, additives, or fillers — just natural ingredients formulated for healthy home gardens and hobby farms.

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Quart Kelp Power

EB Stone Fish Emulsion with Kelp, Quart Size

EB Stone Fish Emulsion with Kelp, Quart Size

EB Stone Organics
  • All natural plant food to help plants grow, flower, fruit and stay deep green.
  • This liquid fertilizer is concentrated and must be diluted before use.
  • Derived from: Whole fish and Kelp.
  • Quart size

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Macro-Micro Fusion

GS Plant Foods Organic Liquid Fish Fertilizer – Natures Growth Boost, OMRI-Certified, Hydrolyzed, Fish-Based, Organic Gardening Solution, 1 Quart

GS Plant Foods Organic Liquid Fish Fertilizer - Natures Growth Boost, OMRI-Certified, Hydrolyzed, Fish-Based, Organic Gardening Solution, 1 Quart

GS Plant Foods
  • OMRI ​ORGANIC LISTED HYDROLYZED FISH FERTILIZER: GS Plant Foods Organic Liquid Fish is an all-natural high quality fresh fish liquid fertilizer that gives excellent plant growth, rebuilds soil, and offers higher production yields. Our fish fertilizer will help stimulate growth and improve plant health and color. Tremendously beneficial for soil quality and improved rooting, this organic fish fertilizer can be applied to any type of soil or plant without concern for waste or harmful chemicals.
  • PACKED WITH MACRO & MICRO NUTRIENTS: Our proprietary and all-natural fish fertilizer provides much more than N-P-K (Nitrogen, Phosphorus and Potassium) found in synthetic fertilizers. This fish plant fertilizer provides a comprehensive mix of macro & micro nutrients, minerals, peptides, proteins, and calcium, all in a usable form perfectly suited for maximum efficiency of uptake for your plants. The fish plant food fertilizer stimulates water penetration and increases nutrient assimilation.
  • OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid fish fertilizer organic acts as an efficacious growth promoter. GS Plant Foods organic hydrolyzed fertilizer promotes growth of healthy bacteria. It is used extensively on a commercial basis, as well as at home as an organic soil conditioner. The end result is a powerfully effective, organic fertilizer and soil supplement that contains no chlorine or heavy metals. It is great for everything that grows!
  • WORKS SYNERGISTICALLY WITH ALL FERTILIZERS:This liquid fish fertilizer is among the highest quality plant food products that you can get. It works synergistically with all fertilizers especially with a high quality liquid kelp fertilizer such as GS Plant Foods Organic Liquid Kelp. Use fish fertilizer on lawns, vegetables, fruits, trees & shrubs, seedlings and transplants as a regular healthful maintenance program to experience healthier plants with stronger, and more developed root systems.
  • EASY TO APPLY FOR NATURAL GREAT RESULTS: Apply hydrolyzed fish fertilizer to improve specific growth stages. Apply generously to soil or as a foliar feed until leaves are wet, top and bottom. For lawns, one gallon of fertilizer mixed with 30-40 gallons of water will cover ¼ acre. Feed lawn every 4 weeks. Trees and shrubs use 4 oz per gallon of water. Feed by boring small holes 1 to 2 feet away from the root ball. Fill holes with solution. For best results, foliar feed early or late in the day.

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Hydrolysis Premium

Indian River Organics OMRI Listed Organic, Hydrolyzed Liquid Fish Fertilizer, 1 Quart / 36 ounces net wt.

Indian River Organics OMRI Listed Organic, Hydrolyzed Liquid Fish Fertilizer, 1 Quart / 36 ounces net wt.

Indian River Organics
  • Far Superior to Emulsions: Our Proprietary Cold-Process Hydrolysis Preserves the Complex Nutrients that create Bigger Flower Blooms, Tastier Fruits & Vegetables, and Vibrant Green Lawns.
  • 100% OMRI-LISTED Organic: Has the Organic Materials Review Institute (OMRI) seal (our competitors don’t)! Approved & suitable for use in certified organic operations under the USDA National Organic Program.
  • Free of Contaminants: Our High-Quality Hydrolysate Fertilizer is Sustainably Produced from fresh, healthy, food-quality fish, free of chlorine, mercury, and other heavy metals. Family & pet friendly.
  • EASY TO USE and Won’t Clog Equipment: Water Soluble; Just Mix with Water and Apply! We win new customers because our product works flawlessly with application equipment. Safely access your lawn after application. No waiting period.
  • 100% Quality Guarantee: We’re incredibly proud of our product’s consistency, and we guarantee our nutrient analysis in every bottle. If you have concerns, let us know and we’ll be happy to work with you.

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Balanced 2-3-1

GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens, Lawns & Container Growing

GS Plant Foods Liquid Fish Fertilizer - Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens, Lawns & Container Growing

GS Plant Foods
  • Organic Materials Review Institute Listed for Organic Production Approved as GS Plant Foods Organic Liquid Fish Concentrate 2-3-1. Suitable for organic growing under OMRI and NOP standards.
  • Balanced Nutrient Formula (2-3-1) Provides primary nutrients from hydrolyzed fish for sustained plant nutrition and soil health.
  • Versatile Garden Use: Ideal for vegetables, lawns, flowers, shrubs, trees, fruit, and container plants when used as directed.
  • Simple Application: Mix 4 oz per gallon of water for most uses. Apply generously to soil or as a foliar feed until leaves are wet.
  • Florida Licensed Manufacturer: Produced by GS Plant Foods, LLC (License F003717). 1 Gallon liquid fertilizer (8.9 lb).

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Salmon Yield Boost

Bloom City Organic Wild Fish Fertilizer and Plant Supplement, Great for Roots and Soil, Made from Sustainable Salmon, 1/2 Pint (8 oz)

Bloom City Organic Wild Fish Fertilizer and Plant Supplement, Great for Roots and Soil, Made from Sustainable Salmon, 1/2 Pint (8 oz)

Bloom City
  • FROM SUSTAINABLE ALASKAN SALMON: Great for Soil and Plants, for indoor and outdoor use.
  • CONTAINS SALMON EMULSION AND SALMON OIL: Very high in omega 3 Fatty Acids for Plants. More Amino Acids than any other brand.
  • SMELLS LIKE FISH: You know this is the good stuff, because is really really smells like ocean and fish.
  • HIGHEST QUALITY, MOST POTENT, BEST VALUE, BIGGEST YIELD: Bloom City’s ingredients are better for plants, better for you, and better for the planet. Simply the best choice for the conscientious grower.
  • FORMULATED AND MADE IN THE USA: Designed by botanists and plant chemists in Seattle, Washington. 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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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Buying Guide

Buying Guide: Best Organic Gem Fish Emulsion

Nutrient Content & Ratio

  • Prefer a 2-3-1 NPK ratio for balanced vegetative and flowering growth
  • Check for added amino acids, vitamins and minerals that boost plant vigor
  • Look for kelp or seaweed ingredients that supply micronutrients and hormones

Organic Certification & Ingredients

  • Choose products with OMRI or other recognized organic certification
  • Ensure the fish source is sustainably harvested and cold‑pressed
  • Confirm the formula is free of synthetic chemicals, fillers or heavy metals

Application & Dilution Guidance

  • Follow manufacturer dilution rates (e.g., 1 qt concentrate makes 6‑10 gal of mix)
  • Use as a soil drench for root development or as a foliar spray for rapid uptake
  • Apply every 2‑4 weeks, adjusting frequency for growth stage and plant type

Odor & User Experience

  • A strong fishy smell indicates a genuine fish emulsion
  • Ventilate indoor areas after application to reduce lingering odor
  • Odor typically fades quickly once the solution is watered into the soil

Packaging Size & Value

  • Gallon containers provide the most applications per purchase
  • Quart sizes are convenient for small gardens or trial use
  • Consider shelf life and storage conditions to maintain nutrient potency

FAQs

What should I look for when choosing an organic fish emulsion fertilizer?

Check for OMRI certification, which guarantees the product meets organic standards, and review the NPK ratio to match your plant’s growth stage. Look for added ingredients like kelp, which can boost micronutrients and soil microbes. Also consider the concentration: a ready‑to‑use gallon is convenient, while a quart concentrate may offer better value if you have a larger garden.

How do the dilution rates differ between the gallon‑size and quart‑size fish emulsions?

Gallon‑size products are often pre‑diluted or require a small amount of water, while quart concentrates typically need 6‑10 gallons of water per quart, depending on the brand. Safergro Aqua Power, for example, makes 6‑10 gallons from one quart, whereas the 1‑gallon GS Plant Foods concentrate recommends 2 oz per gallon of water. Adjust the mix based on plant type and growth stage for optimal results.

Is the strong fishy odor a sign of lower quality?

A noticeable fish smell actually indicates a true, undiluted fish emulsion, which means the nutrients are intact. Products like the Bloom City Wild Fish Fertilizer and the 1‑gallon Organic Fish Emulsion both advertise a pungent aroma as proof of authenticity. The odor typically dissipates quickly after application and does not affect plant health.

What are the benefits of fish emulsion formulas that include kelp?

Kelp adds a rich source of natural hormones, trace minerals, and vitamins that complement the nitrogen, phosphorus, and potassium from fish. Brands such as Down To Earth and GS Plant Foods combine fish and kelp to improve root development and boost flowering. This synergy helps sustain soil microbial activity and can lead to higher yields.

How does price per ounce compare across the listed products?

Generally, quart‑size concentrates like Safergro Aqua Power and EB Stone offer a lower cost per ounce than pre‑diluted gallons, but you must factor in the extra water needed for dilution. The 1‑gallon Organic Fish Emulsion (B09FZTPQJL) is priced higher per ounce but provides a ready‑to‑use solution, which can save time. Calculating total cost including water and application frequency helps determine true value.

Can I use fish emulsion with my existing fertilizer sprayer?

Yes, most liquid fish emulsions are water‑soluble and won’t clog standard sprayers when mixed at the recommended dilution. Indian River Organics and GS Plant Foods specifically note equipment compatibility, and the low‑viscosity formula of the 1‑gallon Organic Fish Emulsion makes it easy to pump. Always clean the sprayer after use to prevent residue buildup.

Which product is best for a small indoor garden versus a large outdoor plot?

For a small indoor garden, a quart‑size concentrate like Safergro Aqua Power or EB Stone provides enough volume without waste and can be mixed in small batches. For larger outdoor beds, a gallon‑size product such as the 1‑gallon Organic Fish Emulsion or GS Plant Foods offers convenience and consistent dosing over many applications. Consider the odor tolerance of indoor spaces as well.

How important is the NPK ratio in fish emulsions, and what should I aim for?

Fish emulsions typically have a 2‑3‑1 NPK ratio, which supplies more nitrogen for foliage and a balanced amount of phosphorus for root and flower development. This ratio works well for most garden plants throughout the growing season. If you need higher phosphorus for heavy fruiting, look for blends that add kelp or supplemental phosphorus, like the Down To Earth formula.

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