Comparison: Best Fish Fertilizer 1 Gallon (Updated | Dec 1st)
If you’re looking to give your garden a natural boost, you’ve probably heard about fish fertilizer—but with so many options out there, how do you know which 1-gallon pick is truly the best? We’ve done the digging (and the smelling) so you don’t have to.
- Best for burn-free boost: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for organic soil drip: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
- Best for microbe‑boost formula: Just Scentsational Bare Ground Solutions TP-128G Trident’s Pride Organic Liquid Fish Hydroponic Soil Fertilizer
- Best for omri‑listed mini: Alaska Fish Fertilizer OMRI Listed 5-1-1
- 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 balanced 2‑3‑1: GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens
- Best for vitamin‑rich quart: CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer
- Best for deep green growth: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- Best for trace‑mineral boost: Liquinox 7128 Fish Emulsion 5-1-1 Fertilizer
- Best for dual‑pack value: ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)
Product Comparison: Best Fish Fertilizer 1 Gallon
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
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!
Just Scentsational Bare Ground Solutions TP-128G Trident’s Pride Organic Liquid Fish Hydroponic Soil Fertilizer, 128 oz (1 Gallon)
- Omri-rated, all-natural, Organic fish fertilizer adds proteins and enzymes to soil
- Increases anti-oxidants, sugar, and earthworm population
- Increased microbe production reduces the need for pesticides and creates stronger growth
- Comes in liquid fertilizer or soil conditioning granules for easy application
- Suggested use is 4-6oz per gallon of water.
Alaska Fish Fertilizer OMRI Listed 5-1-1, 115 oz
- Fish-based fertilizer for use in vegetable, fruit, and flower gardens
- Excellent for use on flowers, trees, and other plants
- OMRI listed
- For organic gardening
- Great for all indoor and outdoor plants
- NPK 5-1-1 fish emulsion fertilizer
- Fish has been used as a natural source of plant nutrients for centuries
- Easy to use, just mix with water
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.
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).
CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer, 1 Quart
- Promotes healthy plant growth with 11 vitamins
- Can be used on all indoor and outdoor plants
- 100-percent organic
- Stimulates microorganisms
- Does not burn
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.
Liquinox 7128 Fish Emulsion 5-1-1 Fertilizer, 1-Gallon
- All purpose liquid fish fertilizer: Use on flowers, lawns, shrubs, trees, and other outdoor plants
- Primary nutrients source: Derived from seagoing fish
- Active ingredients: Includes iron, manganese, and zinc
- Fish emulsion 5-1-1: Suitable for soil or foliar application
- Safe and nonburning: Ideal for use on vegetables, flowers, shrubs, lawns, and trees
- Versatile application: Can be used on potted and house plants, fruits, vegetables, ornamentals, and shade trees
- Application rate: Recommended usage is 2 tablespoons per gallon monthly during the growing and blooming season
- Product type: Liquid fertilizer
- Package size: Available in a 1-gallon container
- Manufacturer: Liquinox
ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)
- ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)
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 is best for general garden use and how do the 1‑gallon options differ?
For most vegetable, flower, and lawn applications a balanced 2‑3‑1 or 5‑1‑1 ratio works well; the 5‑1‑1 formulas (Alaska, Liquinox, Fertilome) provide higher nitrogen for rapid leaf growth, while the 2‑3‑1 blends (GS Plant Foods, the organic fish emulsion) favor steady, long‑term development. Both ratios are suitable for frequent, light feedings, but choose 5‑1‑1 if you need a quick green boost and 2‑3‑1 for a more gradual, soil‑building approach.
Does the fishy smell indicate a higher‑quality product?
A noticeable fish odor usually means the fertilizer is made from real, minimally processed fish emulsion, which retains more amino acids and micronutrients. Products like the 1‑gallon Organic Fish Emulsion explicitly state a strong scent as a sign of authenticity, whereas deodorized options (Alaska’s wintergreen‑scented formula) may be more pleasant but could have undergone additional processing.
Why should I look for OMRI‑listed fish fertilizers?
OMRI listing confirms the product meets organic standards, allowing you to use it in certified organic gardens without risking compliance issues. Several options—including Alaska Fish Fertilizer (5‑1‑1), GS Plant Foods, and the Bare Ground Solutions formula—carry this certification, giving peace of mind for growers who follow strict organic practices.
Which 1‑gallon fish fertilizer gives the best value for the price?
When comparing cost per ounce, the Alaska Fish Emulsion Concentrate (5‑1‑1) and Liquinox 5‑1‑1 typically provide the most nutrient density for the money, delivering a full gallon of high‑nitrogen formula at a competitive price. If you prefer a blend with added kelp and a broader micronutrient profile, GS Plant Foods offers a slightly higher price but includes seaweed benefits that can improve soil microbiology.
How do liquid and granular fish fertilizers compare for ease of use?
Liquid fish fertilizers, such as the 1‑gallon Organic Fish Emulsion and GS Plant Foods, mix directly into water for quick soil drenches or foliar sprays, making them ideal for fast application on large areas. Granular options like the Bare Ground Solutions Trident’s Pride can be spread directly onto soil and watered in, offering a mess‑free method that slowly releases nutrients over time.
What are the typical application rates for a 1‑gallon fish fertilizer?
Most manufacturers recommend 2–4 oz of concentrate per gallon of water for regular feeding, which translates to roughly 1 cup per 10 gallons of soil. For larger trees or shrubs, rates can increase to 4–6 oz per gallon of water, but always start with the lowest recommended dosage to avoid over‑fertilizing.
How does fish emulsion differ from synthetic fertilizers in terms of nutrient release?
Fish emulsion provides nutrients in an organic, water‑soluble form that is quickly taken up by plants but also supports soil microbes, improving long‑term fertility. Synthetic fertilizers often deliver nutrients faster but can burn plants and do not contribute to soil health, whereas fish fertilizers are generally non‑burning and promote a thriving microbial ecosystem.
Which brand is most reputable for sustainable sourcing and ingredient purity?
GS Plant Foods emphasizes sustainable harvesting of North Atlantic seaweed and cold‑pressed fish hydrolysate, and their products are OMRI‑listed and made in the USA. Alaska Fish Fertilizer also highlights environmentally conscious sourcing and a wintergreen deodorizing process, making both brands strong choices for gardeners who prioritize sustainability and ingredient integrity.