Comparison: Best Fish Emulsion Npk (Updated | Dec 1st)
But with so many options out there, how do you know which one delivers the right balance of nitrogen, phosphorus, and potassium? In this comparison, we’ll break down the top contenders, looking at nutrient ratios, ingredient quality, and real results.
- Best for cold-pressed organic: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
- Best for odorless growth: Fish Hydrolysate Fertilizer for Vegetables & Plants – NPK 2-3-2 Fish Emulsion for Lawn
- Best for compact complete: Fish Emulsion Fertilizer
- Best for wintergreen burn-free: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for low-odor powder: Fish Emulsion Fertilizer 12-2-2 Powder (3.3 pounds Powder-Up to 300 Gallons of Water)
- Best for foliage builder: Fertilome (10611) Fish Emulsion Fertilizer 5-1-1 (16 oz)
- Best for bulk foliage boost: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- Best for certified amino boost: Safergro Aqua Power Certified Organic Fish Emulsion Concentrate
- Best for seedling vitalizer: FoxFarm Bush Doctor Wholly Mackerel Fish Fertilizer
- Best for full-size complete: Fish Emulsion Fertilizer
Product Comparison: Best Fish Emulsion Npk
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!
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
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 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
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.
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.
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
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 Fertilizer, Complete Fish Emulsion Plant Food, 1 Gallon (128 oz)

- Complete fish fertilizer for thriving plants
- Helps growth with natural harvest salmon nutrients
- Easy-to-follow care instructions included
- Made in the USA
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, and how do the listed products differ?
For general vegetable and flower beds a balanced 2-3-1 or 2-3-2 ratio works well, while a higher nitrogen 5-1-1 ratio promotes leafy growth. The 1‑gallon Organic Fish Emulsion (B09FZTPQJL) offers a 2-3-1 ratio, the Fish Hydrolysate (B0D9MLNZY3) provides 2-3-2, and Alaska Fish Emulsion (B002RH0B26) uses a 5-1-1 blend. Choose based on whether you need more foliage (higher N) or a balanced mix for fruiting and blooming.
Is a liquid fertilizer better than a powder, and which products fit each format?
Liquid emulsions dissolve instantly and are ideal for foliar sprays or quick soil drenches, while powders have lower odor and are easier to store long‑term. The 1‑gallon Organic Fish Emulsion (B09FZTPQJL) and Safergro Aqua Power (B002SVLL6G) are liquids, whereas the 12‑2‑2 Powder (B0F38LT29B) offers a dry, highly concentrated option with reduced smell.
How important is odor when selecting a fish emulsion fertilizer?
Strong fishy odor indicates a true, unrefined emulsion, but it can be off‑putting for indoor growers. Products like the Organic Fish Emulsion (B09FZTPQJL) embrace the scent as a sign of authenticity, while Alaska Fish Emulsion (B002RH0B26) and the 12‑2‑2 Powder (B0F38LT29B) are deodorized or low‑odor formulations for more discreet use.
Do any of these fertilizers have organic certifications, and why does that matter?
Yes, Safergro Aqua Power (B002SVLL6G) is OMRI‑certified organic, guaranteeing it meets strict organic standards. Certified products are preferable for organic gardening programs and for gardeners who want to avoid synthetic additives, though non‑certified emulsions can still be natural and effective.
Which product gives the best value per ounce of nutrient content?
The 12‑2‑2 Powder (B0F38LT29B) provides up to 300 gallons of feed from a 3.3‑lb bag, making it the most cost‑effective for large plots. For smaller gardens, the 1‑gallon Organic Fish Emulsion (B09FZTPQJL) offers a convenient, ready‑to‑use option, but its per‑gallon cost is higher than the bulk powder.
Can I use these fertilizers on both indoor and outdoor plants?
Most fish emulsions are versatile enough for indoor containers, outdoor beds, and even hydroponic setups. The Organic Fish Emulsion (B09FZTPQJL), Safergro Aqua Power (B002SVLL6G), and FoxFarm Bush Doctor (B00VKPX5HY) specifically mention suitability for indoor and outdoor use, while the deodorized Alaska Fish Emulsion (B002RH0B26) is also safe for indoor environments due to its reduced smell.
How do I determine the correct dilution rates for these products?
Dilution rates vary by concentration: liquid concentrates like the Organic Fish Emulsion recommend mixing 1‑2 tablespoons per gallon of water for foliage, whereas the 5‑1‑1 powders (Fertilome 5‑1‑1) suggest 1‑2 tablespoons per gallon for plants and 4 tablespoons for trees. The 12‑2‑2 Powder advises 1 lb per 100 gallons, and Safergro Aqua Power calls for 1 quart to make 6‑10 gallons, so always follow the label for optimal results.
What additional benefits do these fish emulsions provide beyond basic nutrients?
Fish emulsions contain amino acids, vitamins, and micronutrients that support soil microbes, improve root health, and increase stress resistance. Products like Safergro Aqua Power list 20 amino acids, 13 vitamins, and 8 minerals, while FoxFarm Bush Doctor adds kelp and molasses to boost microbial activity, delivering a holistic boost to plant vigor.
