Comparison: Best Alaska Fish Fertilizer 5 Gallon (Updated | Dec 1st)
If you’ve ever wondered what makes some gardens burst with life while others just barely get by, the secret might be in the soil—and specifically, what you’re feeding it. For gardeners who want serious results, Alaska Fish Fertilizer in the 5-gallon size has become a go-to. But with a few different options out there, how do you know which one’s truly the best?
- Best for wintergreen burn-free: Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)
- Best for omri certified: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for vitamin-rich formula: CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer
- Best for bloom boost: Neptune’s Harvest Fish & Seaweed Fertilizer 2-3-1
- Best for kelp soil builder: Omri Listed Fish & Kelp Fertilizer by GS Plant Foods (5 Gallons) – Organic Fertilizer for Vegetables
- Best for odorless cold-process: Neptune’s Harvest Fish Fertilizer 2-4-1 (5 Gallon Pail)
- Best for two-pack value: Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- Best for all-purpose boost: Alaska Fish Emulsion Fertilizer All Purpose 5-1-1 1 gal
- Best for six-pack organic: Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- Best for hydrolyzed amino boost: Fish Fertilizer – Omri Listed Hydrolyzed Fish Fertilizer for Plants (5 Gallons) – Liquid Organic Fertilizer for Vegetables
Product Comparison: Best Alaska Fish Fertilizer 5 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
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
Neptune’s Harvest Fish & Seaweed Fertilizer 2-3-1, 5 Gallon Pail
- Grow a beautiful vegetable garden
- Flowers and foliage will be stronger and more colorful
- Blooms will be more plentiful, fragrant and longer lasting
- Easy to mix and apply by hand, sprayer, or drip line
Omri Listed Fish & Kelp Fertilizer by GS Plant Foods (5 Gallons) – Organic Fertilizer for Vegetables, Trees, Lawns, Shrubs, Flowers, Seeds & Plants – Hydrolyzed Fish and Seaweed Blend (5 Gallon)
- OMRI ORGANIC LISTED FISH AND SEAWEED BLEND: GS Plant Foods all-natural fresh fish liquid fertilizer is a high quality organic product that gives excellent plant growth, rebuilds soil, and offers higher production yields. The kelp fertilizer can be applied to any type of plants, trees, lawns, flowers, vegetables and seeds without concern for waste.
Neptune’s Harvest Fish Fertilizer 2-4-1 (5 Gallon Pail)
- Organic fertilizer made from fresh North Atlantic fish
- Made by a unique cold process that protects the vitamins, amino acids, enzymes and growth hormones
- Retains the fish proteins and oils and has no unpleasant odor
Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- 2 pack
Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- 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
- Fish based fertilizer for use in vegetable and flower gardens OMRI listed Great for all indoor and outdoor plants.
- Fish has been used as a natural source of plant nutrients for centuries.
Fish Fertilizer – Omri Listed Hydrolyzed Fish Fertilizer for Plants (5 Gallons) – Liquid Organic Fertilizer for Vegetables, Fruit, Lawns, Blooms & Plants
- OMRI ORGANIC LISTED HYDROLYZED FISH FERTILIZER: Indian River Organics Liquid Fish Fertilizer is an all-natural high quality fish fertilizer that gives excellent plant growth. Plants receiving our organic fish fertilizer out-perform in every category, they are much healthier and more resistant to heat, drought, and cold. This means they bloom more, produce bigger fruit, and taste better. With our organic liquid fish fertilizer, grass spreads faster and needs less maintenance.
- ACKED WITH AMINO ACIDS & MICRO NUTRIENTS: The all-natural fish fertilizer for vegetables, plants, and more provide much more than N-P-K (Nitrogen, Phosphorus and Potassium) found in synthetic fertilizers. This organic liquid fish fertilizer provides a comprehensive mix of amino acids & micro nutrients and minerals all in a usable form perfectly suited for maximum efficiency of uptake for your plants. The organic fish fertilizer stimulates water penetration and increases nutrient assimilation.
- OPTIMAL PLANT GROWTH & HEALTH AT HOME OR COMMERCIALLY: Used in low concentrations, plant fertilizer liquid organic acts as an efficacious growth promoter. Our liquid vegetable fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner. This organic liquid fish fertilizer will lead to healthier crop yields and general plant well being.
- EASY TO APPLY FOR NATURAL GREAT RESULTS: For lawn; mix 2 oz in 1 gallon of water, spray to cover 500 square feet. For fruit and vegetables; mix 4 oz in 1 gallon of water, spray to drench, including underside. For flowers and plants; mix 3 oz in 1 gallon of water, spray to drench, including underside. For citrus and other trees; mix 4 oz in 1 gallon of water, spray to drench, including underside. For seedlings; mix 4 oz in 1 gallon of water. For transplanting; apply as often as every 2-3 weeks.
- TRUSTED & RELIABLE: At Indian River Organics, 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.
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 N‑P‑K ratio should I look for in a 5‑gallon fish fertilizer?
Most Alaska‑branded fish fertilizers use a 5‑1‑1 ratio, which provides a strong nitrogen boost for leafy growth while keeping phosphorus and potassium low. This ratio is ideal for vegetables, fruits, and flowering plants that need vigorous vegetative development. If you grow more fruiting crops, you might prefer a slightly higher phosphorus formula such as 2‑3‑1.
How important is an OMRI listing when choosing a fish fertilizer?
An OMRI (Organic Materials Review Institute) listing guarantees the product meets organic certification standards, which is essential for certified organic gardens. Several options like the Alaska Fish Fertilizer OMRI Listed 5‑1‑1 and GS Plant Foods’ fish & kelp blend carry this certification. Choosing an OMRI‑listed product ensures you won’t unintentionally contaminate an organic plot.
Will the fertilizer have a strong fish odor, and does that affect usability?
Some fish emulsions are deodorized with natural wintergreen, as noted on the Alaska Fish Emulsion 5‑1‑1 concentrate, reducing the typical fish smell. Others, like Neptune’s Harvest, use a cold‑process that retains nutrients while minimizing odor. If you plan to apply the fertilizer indoors or near living spaces, a low‑odor formula can make the experience more pleasant.
How do the 5‑gallon options compare in terms of value for money?
A 5‑gallon pail generally offers the best cost per ounce, especially when the product includes additional seaweed or kelp, which adds micronutrients. Neptune’s Harvest 5‑gallon pail and the GS Plant Foods fish & kelp blend both provide large volumes at competitive prices, while still delivering the full 5‑1‑1 nutrient profile. Compare the total ounces and any added ingredients to determine which gives the highest nutrient return for your budget.
Are there differences in application methods among these fish fertilizers?
All the listed products can be mixed with water and applied via spray, drip, or hand‑watering, but some, like Neptune’s Harvest, specifically highlight easy mixing for sprayers and drip lines. Concentrated formulas such as the Alaska 5‑1‑1 concentrate may require dilution ratios that differ from ready‑to‑use 5‑gallon pails. Review the label instructions to match the product with your preferred irrigation system.
What extra benefits do seaweed or kelp additives provide?
Seaweed and kelp contain natural hormones, micronutrients, and trace minerals that enhance root development and stress tolerance. Products that combine fish with kelp, like the GS Plant Foods blend, can improve soil microbial activity and increase fruit quality. If you want a broader spectrum of nutrients beyond the basic N‑P‑K, choose a formula that lists seaweed or kelp as an ingredient.
How can I tell if a fish fertilizer is safe for indoor plants?
Look for descriptors such as “deodorized,” “low‑odor,” or “suitable for indoor use” on the label; the Alaska Fish Emulsion 5‑1‑1 mentions a wintergreen scent for this purpose. Additionally, OMRI‑listed products are formulated to avoid harsh chemicals, making them safer for indoor environments. Always follow the recommended dilution rates to prevent leaf burn on sensitive houseplants.
What should I consider about storage and shelf life for a 5‑gallon fish fertilizer?
Fish fertilizers are organic liquids that can degrade if exposed to extreme temperatures or direct sunlight, so store the pail in a cool, dark place. Many manufacturers recommend using the product within 12‑18 months of opening to retain nutrient potency. Sealing the container tightly after each use helps preserve the emulsion and prevents contamination.