Comparison: Best Alaska Liquid Fish Fertilizer (Updated | Dec 1st)
If you’re looking to give your garden a natural boost, you’ve probably heard about Alaska Liquid Fish Fertilizer. But with so many options out there, how do you know which one’s truly the best? We’ve dug into the details, tested the results, and compared the top contenders to help you make an informed choice.
- Best for omri certified blend: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for vitamin-rich formula: CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer
- Best for wintergreen deodorized: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for convenient 2-pack: Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- Best for fish-kelp fusion: Omri Listed Fish & Kelp Fertilizer for Plants by GS Plant Foods (36oz) – Organic Fertilizer for Vegetables
- Best for garden-scale liquid: GS Plant Foods Liquid Fish & Kelp Fertilizer (1 Gallon) – Organic Material Review Institute Listed Natural Plant Food for Home Gardens
- Best for sustainable 2-3-1: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
- Best for versatile 2-3-1: GS Plant Foods Liquid Fish Fertilizer – Organic Material Review Institute Listed (1 Gallon) – Natural Hydrolyzed Fish Fertilizer for Gardens
- Best for fast-acting kelp: Down To Earth All Natural Fertilizers Organic Liquid Fish & Kelp Concentrate – Plant Food for Vegetable Gardens and Flower Beds – Makes up to 32 Gallons 2-4-1
- Best for growth-boost hydrolyzed: GS Plant Foods Organic Liquid Fish Fertilizer – Natures Growth Boost
Product Comparison: Best Alaska Liquid Fish Fertilizer
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
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
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
Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- 2 pack
Omri Listed Fish & Kelp Fertilizer for Plants by GS Plant Foods (36oz) – Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants – Hydrolyzed Fish and Seaweed Blend
- OMRI ORGANIC LISTED FISH AND SEAWEED BLEND: GS Plant Foods all-natural liquid fish is a high quality organic product that gives excellent plant growth, rebuilds soil, and offers higher production yields. Kelp is often applied to any type of plants, trees, lawns, flowers, vegetables and seeds without concern for harmful runoff.
- OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, liquid seaweed fertilizer acts as an efficacious growth promoter. GS Plant Foods fish seaweed fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. This fish fertilizer for vegetables will lead to healthier crop yields and general plant well being.
- EASY TO APPLY FOR NATURAL GREAT RESULTS: Apply liquid fish & kelp fertilizer to improve specific growth stages. For House Plants; use 1 tablespoon per gallon of water. Feed every two weeks and do not over water. For Outdoor Plants; Use 2 fl. Oz per gallon of water. Feed vegetables, flowers, trees and shrubs every 2-3 weeks. Apply until soil is saturated or as a foliar feed until leaves are wet, top and bottom. For Lawns; use 2 to 4 oz concentrate per gallon of water to cover 1,000 sq. ft.
- TRUSTED & RELIABLE: At GS Plant Foods, we understand that you are placing your trust in us to provide you with the highest quality products available. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our products are organic, easy to use, cost efficient, sustainable, and yield consistent & amazing results in your garden, no matter what you’re growing or what medium in which your plants are growing.
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.
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!
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).
Down To Earth All Natural Fertilizers Organic Liquid Fish & Kelp Concentrate – Plant Food for Vegetable Gardens and Flower Beds – Makes up to 32 Gallons 2-4-1, 32 oz
- Fast‑acting liquid formula: Perfect for foliar feed or soil drench applications, supporting quick absorption and growth stimulation.
- Stimulates overall plant vigor: High phosphorus aids flowering and fruiting, while nitrogen supports lush foliage and root development.
- Organic & soil‑friendly: Helps promote beneficial microbial activity and sustainable soil health due to its fish and kelp base
- Versatile application rates: For general garden use: ¼–½ cup per gallon of water; for containers: 2–4 Tbsp per gallon; for houseplants: 2 Tbsp per gallon, repeated every 2–4 weeks depending on growth stage
- Watch out for odor: While extremely effective, many users report a strong fish-like odor characteristic of fish emulsions—though it typically subsides quickly and doesn’t linger long indoors
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.
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 factors should I consider when choosing an Alaska liquid fish fertilizer?
Look for the N‑P‑K ratio, OMRI certification, and whether the formula includes kelp or other additives that boost micronutrients. Odor level and whether the product is deodorized can be important for indoor gardening. Also compare container size and price per ounce to gauge overall value.
How does the Alaska Fish Fertilizer OMRI Listed 5‑1‑1 (115 oz) compare to the other fish emulsions on the market?
The 5‑1‑1 ratio provides a higher nitrogen content, which promotes vigorous foliage growth, while still being gentle enough for flowers and fruiting plants. It carries OMRI certification, assuring compliance with organic standards, a feature not all competitors list. Its larger size offers a lower cost per ounce than many single‑quart options.
Is the deodorized wintergreen version of Alaska Fish Emulsion better for indoor use?
Yes, the wintergreen‑scented formula reduces the typical fishy smell, making it more pleasant for indoor gardens and greenhouse settings. It retains the same 5‑1‑1 nutrient profile, so plant performance is unchanged. This option is ideal when odor sensitivity is a concern.
Which product gives the best value for money among the Alaska‑branded fish fertilizers?
The 1‑gallon GS Plant Foods Liquid Fish Fertilizer (2‑3‑1) typically offers the lowest price per ounce while still providing OMRI certification and a balanced nutrient mix. The Alaska Fish Fertilizer 5‑1‑1 in a 115 oz bottle also delivers good value, especially for larger gardens. Compare total cost, nutrient ratio, and any added kelp to decide which fits your budget and plant needs.
Do fish‑and‑kelp blends provide advantages over pure fish emulsions?
Fish‑and‑kelp blends add natural seaweed extracts that supply additional micronutrients, hormones, and growth promoters, which can enhance root development and stress tolerance. Pure fish emulsions focus mainly on nitrogen, phosphorus, and potassium, delivering rapid foliage growth. Choose a blend if you want a more comprehensive boost for fruiting or flowering plants.
How can I minimize the strong odor that some fish fertilizers emit?
Select deodorized formulas, such as the wintergreen‑scented Alaska Fish Emulsion, or dilute the concentrate according to label directions, which reduces the smell intensity. Applying the fertilizer in the early morning or late afternoon allows the odor to dissipate before indoor spaces are occupied. Ventilating the area after application also helps keep the scent under control.
Are these liquid fish fertilizers safe for use on both vegetables and lawns?
Yes, most of the listed products are labeled for all plant types, including vegetables, fruits, flowers, shrubs, trees, and turfgrass. Follow the specific dilution rates for lawn applications, which are usually higher than for container plants. Ensure you use a balanced N‑P‑K ratio appropriate for the growth stage of your crops to avoid excess nitrogen on lawns.
What application rates should I use for different plant categories?
A common guideline is 2 oz of concentrate per gallon of water for vegetables and annual flowers, while lawns often require 4 oz per gallon to cover larger areas. For indoor houseplants, 1–2 Tbsp per gallon is sufficient and can be applied every 2–4 weeks. Always start with the lowest recommended rate and adjust based on plant response.
How does the nutrient ratio (e.g., 5‑1‑1 vs 2‑3‑1) affect plant growth?
A 5‑1‑1 ratio is nitrogen‑heavy, encouraging rapid leaf and stem development, making it ideal for leafy greens and early‑season growth. The 2‑3‑1 ratio provides more phosphorus, supporting root establishment, flowering, and fruit set, which benefits blooming plants and fruiting crops. Matching the ratio to your plant’s growth stage can improve overall vigor and yield.
Why should I prioritize OMRI‑listed fertilizers when gardening organically?
OMRI certification guarantees that the product meets strict organic standards and can be used in certified organic production without risking contamination. It also assures you that the fertilizer contains no prohibited synthetic chemicals. Choosing OMRI‑listed options simplifies compliance for home gardeners who follow organic practices.