Comparison: Best Npk Fish Emulsion (Updated | Dec 1st)
If you’re on the hunt for the **best NPK fish emulsion** to boost your garden’s growth, you’re not alone. Gardeners everywhere are turning to this natural powerhouse for its rich blend of nitrogen, phosphorus, and potassium. But with so many options out there, how do you know which one delivers real results?
- Best for organic growth boost: 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 deep green formula: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- Best for odorless hydrolysate: Fish Hydrolysate Fertilizer for Vegetables & Plants – NPK 2-3-2 Fish Emulsion for Lawn
- Best for compact complete: 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 omri certified liquid: Safergro Aqua Power Certified Organic Fish Emulsion Concentrate
- Best for versatile plant feed: Fish Emulsion 16OZ CONC
- Best for seedling vitalizer: FoxFarm Bush Doctor Wholly Mackerel Fish Fertilizer
- Best for kelp‑fulvic fusion: Fish Emulsion with Kelp & Fulvic Acid
Product Comparison: Best Npk 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
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.
Fish Hydrolysate Fertilizer for Vegetables & Plants – NPK 2-3-2 Fish Emulsion for Lawn, Flowers, Fruits & Vegetables in Garden or Farm (16 fl oz)

- Rich in amino acids and nutrients
- Natural and eco-friendly
- Boosts plant growth and vitality
- Works both as soil drench & foliar spray
- helps add organic matter to soil
- Will not burn plants, no bad odor
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
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
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
FoxFarm Bush Doctor Wholly Mackerel Fish Fertilizer, Fx14113 – Liquid Plant Nutrient for Seedlings, Transplants, and Vegetative Growth – NPK 3-1-0 (Pint)

- SEEDLING & TRANSPLANT VITALIZER: This fish plant food promotes root strength, making it perfect for nurturing young seedlings & transplanted plants. Its fast-acting formula ensures plants receive rapid nutrition, helping them establish robust foliage
- EFFECTIVE ROOT DRENCH APPLICATION: This fish fertilizer for plants is for root drench applications, allowing nutrient absorption through the roots. It ensures deeper nutrient penetration, enhancing plant resilience, during early growth stages
- ESSENTIAL GROWTH INGREDIENTS: Made with fish protein hydrolysate, molasses, and kelp, this fish emulsion fertilizer provides a mix of nutrients. Fish protein provides essential amino acids, molasses gives soil microbes, and kelp supports plane health
- EASY MIX FOR THRIVING PLANTS: Using fish plant fertilizer is a breeze, simply mix 1 tablespoon per gallon of fresh water and drench the soil thoroughly. For optimal results, apply every other week throughout the vegetative cycle until early fruiting
- TRUSTED FOXFARM QUALITY: From a brand known for sustainable and effective gardening solutions, Our fish hydrolysate fertilizer is a high-quality option for feeding your plants. Trust FoxFarm for products that support lively gardens and vibrant plants
Fish Emulsion with Kelp & Fulvic Acid

- Biologically Active Formula: Omega Genetix Fish Emulsion is an organic liquid fertilizer derived from hydrolyzed fish, kelp (Ascophyllum nodosum), and fulvic acid, delivering a complete range of macro (N, P, K) and micronutrients to support key physiological processes including vegetative growth and reproductive development.
- Enhanced Nutrient Profile: Supplies essential secondary nutrients (Mg, S, Ca, Fe) critical for chlorophyll synthesis, enzymatic function, and root system architecture, aiding in photosynthetic efficiency and cellular metabolism across growth stages.
- Soil Microbial Synergy: The fish hydrolysate component promotes rhizosphere microbial activity, accelerating organic matter decomposition and enhancing the bioavailability of nutrients, contributing to improved soil structure and nutrient cycling.
- Fulvic Acid Efficacy: Contains low molecular weight fulvic acid to facilitate chelation and transmembrane transport of nutrients, leading to improved root development, nutrient uptake efficiency, and enhanced plant biomass and vigor.
- Application & Safety: Fully compatible with conventional NPK programs and certified 100% organic for agricultural use; non-toxic to crops but should not be ingested or exposed to animals due to potential biological activity.
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 NPK ratio should I choose for my garden’s needs?
For general vegetable and flower production, a balanced ratio like 2-3-1 works well for steady growth, while a higher nitrogen ratio such as 5-1-1 promotes lush foliage. If you’re focusing on fruiting or root development, consider a formula like 12-2-2 that supplies more phosphorus and potassium. Match the ratio to the growth stage of your plants for optimal results.
How does liquid fish emulsion compare to powdered fish fertilizer?
Liquid emulsions, such as the 1‑gallon organic fish emulsion, are easy to mix and apply as a soil drench or foliar spray, but they retain a strong fishy odor. Powdered versions like the 12‑2‑2 fish protein powder reduce odor, have a longer shelf life, and can be diluted to cover large areas with less volume. Choose liquid for quick, targeted feeding and powder for bulk applications and reduced smell.
Is deodorized fish emulsion worth the extra cost?
Deodorized products, for example the Alaska Fish Emulsion with natural wintergreen, eliminate the pungent fish smell, making indoor use more pleasant. The nutrient content is comparable to non‑deodorized formulas, so you’re mainly paying for the added fragrance masking. If you garden indoors or near living spaces, the convenience often justifies the price difference.
What should I look for in an organic certification when buying fish emulsion?
Certifications like OMRI indicate the product meets strict organic standards and can be used in certified organic farms. Products such as Safergro Aqua Power carry this label and also list specific amino acids, vitamins, and minerals that support plant health. Selecting a certified product ensures compliance with organic growing regulations and often guarantees higher purity.
How do concentration levels affect application frequency?
Highly concentrated emulsions, like the 5‑1‑1 concentrates, require dilution (e.g., 1‑2 Tbsp per gallon) and can be applied every two weeks, reducing the amount of product needed over time. Lower‑concentration formulas, such as the 2‑3‑1 liquid, may need more frequent, lighter applications to avoid nutrient burn. Always follow the manufacturer’s mixing guidelines to balance potency and plant safety.
Can I use fish emulsion alongside synthetic fertilizers?
Yes, fish emulsion can complement synthetic NPK blends by adding organic matter, amino acids, and beneficial microbes to the soil. However, monitor total nutrient input to prevent over‑fertilization, especially with nitrogen. Mixing with a reduced synthetic rate often yields better root development and overall plant vigor.
Which fish emulsion provides the best value for large garden plots?
For extensive areas, the 12‑2‑2 powder offers the highest yield per pound, turning 1 lb into up to 100 gallons of liquid feed, which reduces shipping and storage costs. Liquid concentrates like the 1‑gallon 2‑3‑1 emulsion are convenient but may require more frequent purchases for large plots. Consider both the cost per usable volume and the ease of application when evaluating value.
How important is the presence of micronutrients and amino acids in fish emulsion?
Micronutrients and amino acids, listed in products such as Safergro Aqua Power and the fish emulsion with kelp & fulvic acid, support enzymatic activity, stress resistance, and overall plant metabolism. These components enhance nutrient uptake and improve soil microbial health, leading to stronger, more resilient plants. Choosing a formula rich in these additives can give a noticeable boost compared to basic NPK‑only fertilizers.
