Comparison: Best Organic Fish Emulsion (Updated | Dec 1st)
If you’re looking to give your garden a natural boost, you’ve probably heard about fish emulsion—but not all formulas are created equal. With so many “organic” options on the market, it’s tough to know which one truly delivers lush growth without harsh chemicals. We’ve done the digging (and the sniffing—let’s be honest, it’s a little funky) to bring you the **best organic fish emulsion**s that actually work.
- Best for cold-pressed formula: 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 salmon nutrient boost: Fish Emulsion Fertilizer
- Best for deep green foliage: Fertilome (10611) Fish Emulsion Fertilizer 5-1-1 (16 oz)
- Best for low-odor powder: Fish Emulsion Fertilizer 12-2-2 Powder (3.3 pounds Powder-Up to 300 Gallons of Water)
- Best for omega-rich salmon: Bloom City Organic Wild Fish Fertilizer and Plant Supplement
- Best for fish-kelp fusion: GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens
- Best for omri-certified hydrolyzed: Indian River Organics OMRI Listed Organic
- Best for aqua power concentrate: Safergro Aqua Power Certified Organic Fish Emulsion Concentrate
- Best for large-scale emulsion: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
Product Comparison: Best Organic 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
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
Fertilome (10611) Fish Emulsion Fertilizer 5-1-1 (16 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.
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
Bloom City Organic Wild Fish Fertilizer and Plant Supplement, Great for Roots and Soil, Made from Sustainable Salmon, 1/2 Pint (8 oz)
- 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.
GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens, Lawns, and Vegetables
- 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.
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.
Safergro Aqua Power Certified Organic Fish Emulsion Concentrate, 1 Quart
- 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
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.
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 should I look for in an organic fish emulsion fertilizer?
Check the NPK ratio to match your plant’s growth stage; a 2-3-1 ratio is great for regular feeding, while 5-1-1 provides higher nitrogen for leafy growth. Verify OMRI certification or other organic seals to ensure the product meets organic standards. Consider odor level—deodorized formulas are easier for indoor use, whereas traditional emulsions have a strong fishy smell that signals authenticity.
How do liquid fish emulsions compare to powdered fish fertilizers?
Liquid emulsions, like the 1‑gallon organic fish emulsion, are ready‑to‑mix and work quickly for foliar sprays and soil drenches, but they often retain a strong odor. Powdered options, such as the 12‑2‑2 fish protein powder, are low‑odor, highly concentrated, and can stretch to hundreds of gallons, making them cost‑effective for large gardens. Choose liquid for convenience and immediate results, or powder for storage ease and reduced smell.
Is a higher nitrogen ratio always better for my garden?
Higher nitrogen, like the 5‑1‑1 formulas, promotes vigorous leaf and stem growth, which is ideal for vegetables and annuals. However, flowering or fruiting plants benefit from a more balanced ratio (e.g., 2‑3‑1) that supplies phosphorus and potassium for blooms and fruit set. Match the NPK to the specific growth phase to avoid excessive foliage at the expense of flowers.
Which fish emulsion offers the best value per gallon?
Products that provide higher concentration, such as the 12‑2‑2 powder (1 lb makes up to 100 gal of feed), deliver the lowest cost per application volume. Among liquids, the 1‑gallon organic fish emulsion with a 2‑3‑1 ratio offers a good balance of price and nutrient density for home gardeners. Compare the total usable gallons you get from each product to determine true value.
Do I need to worry about heavy metals or contaminants in fish fertilizers?
High‑quality brands, like the hydrolyzed liquid fish fertilizer with OMRI certification, test for and exclude mercury, chlorine, and other heavy metals, making them safe for organic use. Cheaper, non‑certified options may not disclose testing results, so look for explicit statements about contaminant‑free processing. Choosing certified products protects both your plants and the environment.
Can I use fish emulsion on indoor plants and hydroponic systems?
Yes, but opt for low‑odor, deodorized formulas or powdered versions that dissolve cleanly without leaving residue. Liquid emulsions with strong fish scent can be overwhelming indoors, while powder blends are easier to measure and mix into hydroponic nutrient solutions. Always dilute according to the manufacturer’s instructions to avoid nutrient burn.
What are the benefits of adding kelp or seaweed to a fish emulsion blend?
Seaweed adds trace minerals, hormones, and natural growth stimulants that complement the nitrogen‑rich fish emulsion, enhancing root development and stress tolerance. Products that combine fish hydrolysate with kelp, such as the liquid fish & kelp fertilizer, improve soil microbiology and nutrient uptake. This synergy can lead to stronger plants, higher yields, and better overall garden health.