Comparison: Best Hydrolyzed Fish Emulsion (Updated | Dec 1st)
If you’re on the hunt for the **best hydrolyzed fish emulsion** to supercharge your garden, you’re not alone. But with so many options out there, how do you know which one delivers real results? Let’s find your garden’s perfect match.
- Best for pungent fish aroma: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
- Best for wintergreen deodorized: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for omri certified liquid: GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens
- Best for premium cold-processed: Indian River Organics OMRI Listed Organic
- Best for deep green boost: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- Best for burn-free growth: Harris Organic Plant and Lawn Fertilizer
- Best for macro-micro rich: GS Plant Foods Organic Liquid Fish Fertilizer – Natures Growth Boost
- Best for compact complete feed: Fish Emulsion Fertilizer
- Best for low-odor powder: Fish Emulsion Fertilizer 12-2-2 Powder (3.3 pounds Powder-Up to 300 Gallons of Water)
- Best for versatile plant feed: Fish Emulsion 16OZ CONC
Product Comparison: Best Hydrolyzed Fish Emulsion
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

- 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!
Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)

- Will Not Burn
- Great for all plants
- Deodorized with Natural Wintergreen
- 5-1-1 fertilizer is an excellent source of organic plant nutrients
- Fish Fertilizer
GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens, Lawns & Container Growing

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

- 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.
Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)

- Develops deep green foliage, vigorous root systems and a solid plant structure
- Derived from fish soluble, can be used from indoor and outdoor. Can be used on plants and trees.
- Mixes with water and can be used by any convenient method of application. Shake well before use.
- 5-1-1 Fertilizer contains 5% Nitrogen, 1% Phosphate and 1% Soluble Potash.
- For plants mix 1-2 tbsp per 1 gal of water. For trees mix 4 tbsp per gal of water.
Harris Organic Plant and Lawn Fertilizer, Hydrolyzed Liquid Fish Fertilizer Emulsion Great for Tomatoes and Vegetables, 3-3-0.3, 32oz (32oz (Quart))

- Uses trace minerals and micronutrients naturally derived from fish
- Promotes vigorous growth of plants and vegetables
- Great for all indoor and outdoor plants
- For use in an Organic Gardening program
- Won’t burn plants
GS Plant Foods Organic Liquid Fish Fertilizer – Natures Growth Boost, OMRI-Certified, Hydrolyzed, Fish-Based, Organic Gardening Solution, 1 Quart

- 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.
Fish Emulsion Fertilizer, Complete Fish Emulsion Plant Food, 8 oz (250mL)

- Complete fish fertilizer for thriving plants
- Helps growth with natural harvest salmon nutrients
- Easy-to-follow care instructions included
- Made in the USA
Fish Emulsion Fertilizer 12-2-2 Powder (3.3 pounds Powder-Up to 300 Gallons of Water), for Vegetables, Trees, Lawns, Shrubs, Flowers, Fruits

- Organic Fish Protein :12-2-2 NPK powder made from 100% fish dried liquid powder, ground, and highly water-soluble when mixed.
- 2× Super Concentrated Powder: 1 lb (≈450 g) makes up to 100 gal of liquid feed,ideal for both large veggie plots and indoor/hydro gardens, creating high-value yield.
- Proven Results and Trusted Organic Fertilizer: Comparison experient conducted on same seed, same soil. The fertilizer supports visible growth and robust fruit set.
- Promotes Healthier Roots & Foliage: Rich in natural amino acids and micronutrients, boosts plant stress resistance, soil biology, and nutrient uptake.
- Reduced Odor, Easy to Use: Dry powder form alleviates the strong “fishy” smell of traditional emulsions. Simple to store, measure, and apply; mix and water every 1–2 weeks.
- Sustainable & Responsibly Sourced: Made in small batches from by products of the fish meal industry, organically biodegradable with minimal waste.
- Includes a teaspoon for ease of measurement
Fish Emulsion 16OZ CONC

- Total Nitrogen – 5% Available Phosphate – 1% Soluble Potash – 1%
- For use in Potted and house plants, fruits, vegetables, ornamentals and shade trees: african violets, ferns, tuberous begonias, camellias, azaleas, rhododendrons, acid-tolerant plants, fuchsias, chrysanthemums, orchids, vegetables, shrubs, berries, trees (fruit, shade, deciduous), roses, flowers (annual and perennial), and transplants * See label for complete list
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
FAQs
What key attributes should I evaluate when choosing a hydrolyzed fish emulsion fertilizer?
Look for a balanced NPK ratio that matches your plant’s growth stage, organic certification such as OMRI listing, and a clear indication that the product is truly hydrolyzed (often noted by a strong fishy scent). Additional factors include the presence of micronutrients, amino acids, and a low‑odor formulation if you plan to use it indoors. Finally, consider the concentration (liquid vs. powder) and the recommended application rates to ensure ease of use.
How do the NPK ratios differ among the listed fish emulsions, and why does that matter?
Most liquid options like the 1‑gallon Organic Fish Emulsion and GS Plant Foods provide a 2‑3‑1 ratio, which is ideal for frequent, light feeding and promotes steady foliage growth. Products such as Alaska Fish Emulsion and Fertilome use a higher 5‑1‑1 ratio, delivering more nitrogen for rapid vegetative development but requiring careful dilution to avoid burn. Choosing the right ratio depends on whether you need a boost in leaf growth, root development, or overall plant health.
Which products carry the strongest organic certifications?
Indian River Organics and GS Plant Foods both display OMRI‑listed status, meaning they meet USDA organic standards and can be used in certified organic production. The Organic Fish Emulsion (1 gallon) is marketed as organic but does not explicitly mention OMRI certification, while Alaska Fish Emulsion and Fertilome lack any formal organic listing. For strict organic gardening, prioritize the OMRI‑listed options.
Does the smell of fish emulsion indicate quality, and how can I manage odor?
A noticeable fishy aroma usually signals that the product is made from real, cold‑pressed fish and is not a synthetic mimic; the 1‑gallon Organic Fish Emulsion highlights this as a quality marker. However, strong odor can be off‑putting for indoor use, so deodorized options like Alaska Fish Emulsion (wintergreen scent) or powder forms such as the 12‑2‑2 Fish Emulsion Powder are better choices for indoor or greenhouse environments.
What are the advantages of liquid fish emulsion versus powdered fish fertilizer?
Liquid emulsions, like Indian River Organics and GS Plant Foods, dissolve instantly and are easy to apply as a foliar spray or soil drench, providing quick nutrient uptake. Powdered formulas, such as the 12‑2‑2 Fish Emulsion Powder, offer higher concentration, lower shipping weight, and reduced odor, making them cost‑effective for large plots or hydroponic systems. The trade‑off is that powders require mixing with water and may need more precise measurement.
Which product gives the best value for money based on concentration and price per unit?
The 12‑2‑2 Fish Emulsion Powder delivers up to 100 gallons of feed from a single pound, making it the most economical for extensive gardens. Among liquids, the 1‑gallon Organic Fish Emulsion and GS Plant Foods provide comparable nutrient profiles, but GS Plant Foods includes OMRI certification, adding value for certified organic growers. Consider both the price per gallon and the nutrient density when calculating overall cost effectiveness.
Are these fish emulsions safe for indoor plants and will they cause burning?
Most formulations, including Alaska Fish Emulsion, Harris Organic Plant and Lawn Fertilizer, and the 5‑1‑1 Fertilome, are labeled as non‑burning when diluted correctly, making them suitable for houseplants. Always follow the recommended mixing ratios—typically 1‑2 tablespoons per gallon of water—to avoid excess nitrogen that could scorch foliage. Deodorized or low‑odor products are preferable for indoor environments to minimize scent concerns.
How do application rates vary between the different fish emulsion products?
Liquid concentrates with a 2‑3‑1 ratio generally suggest 4 oz per gallon of water for soil applications, while higher‑nitrogen 5‑1‑1 liquids recommend 1‑2 tablespoons per gallon for foliage and up to 4 tablespoons for trees. Powdered versions like the 12‑2‑2 formula advise mixing 1 lb with 100 gallons of water, delivering a very dilute feed suitable for large areas. Always refer to the label for specific plant type recommendations and adjust based on growth stage and soil conditions.
