Comparison: Best Fish Alaska Fertilizer (Updated | Dec 1st)
If you’re looking to give your garden a natural boost, you’ve probably heard about fish and Alaska fertilizer. But which one really delivers the best results? Whether you’re growing tomatoes, roses, or lush greens, choosing the right fertilizer matters. Let’s break down the pros and cons so you can decide—fish fertilizer or Alaska—it’s time to find your garden’s perfect match.
- Best for omri certified blend: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for vitamin-rich boost: 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 value pack duo: Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)
- Best for standard gallon size: Central Garden & Pet Co FERTILIZ Alaska Fish GAL
- Best for all-purpose 5-1-1: Alaska Fish Emulsion Fertilizer All Purpose 5-1-1 1 gal
- Best for high phosphorus boost: Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz
- Best for bulk 6-pack deal: Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- Best for compact 8oz power: Fish Emulsion Fertilizer
- Best for sustainable 2-3-1: 1 Gallon Organic Fish Emulsion Fertilizer for Plants – Ideal Liquid Fish Fertilizer for Plants
Product Comparison: Best Fish Alaska 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
Central Garden & Pet Co FERTILIZ Alaska Fish GAL

- FERTILIZ ALASKA FISH GAL
Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz, Pack of 2

- Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz, Pack of 2
- An extra flex groove offers a smooth toe-off.
- Heel-To-Toe Drop: 10 mm
- Not intended for use as Personal Protective Equipment (PPE)
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 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
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!
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 look for in an Alaska fish fertilizer?
Most Alaska 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 need more bloom support, consider a product like the Alaska Morbloom 0-10-10 for higher phosphorus.
How does the OMRI listing affect my purchase decision?
An OMRI (Organic Materials Review Institute) listing guarantees the fertilizer meets organic certification standards, making it safe for certified organic gardens. Products such as the Alaska Fish Fertilizer OMRI Listed 5-1-1 and the 6‑pack 5-1-1 version carry this certification. Choosing OMRI‑listed items ensures compliance with organic gardening regulations and consumer expectations.
Is there a noticeable difference between the 1‑quart and 1‑gallon sizes?
The 1‑quart containers, like the Central Garden Brands Fish Emulsion, are convenient for small‑scale or indoor gardening and allow you to test the product before committing. The 1‑gallon options, such as the Alaska Fish Emulsion 5‑1‑1, provide better value per ounce and are suited for larger beds, orchards, or frequent applications. Larger volumes also reduce packaging waste, which can be a sustainability consideration.
Do any of these fish fertilizers have added odor‑control features?
Yes, the Alaska Fish Emulsion 5‑1‑1 Concentrate advertises a natural wintergreen deodorizer that masks the typical fish smell. The 1‑gallon organic fish emulsion also mentions a strong fishy aroma, indicating it is a true fish product without added masking agents. If odor is a concern for indoor use, the wintergreen‑deodorized option may be preferable.
Which product offers the best value for a mixed indoor‑outdoor garden?
The 6‑pack of Alaska 5‑1‑1 32‑oz bottles combines OMRI certification, a versatile 5‑1‑1 ratio, and a bulk price advantage, making it cost‑effective for both indoor pots and outdoor beds. The Central Garden Brands 1‑quart provides a comparable nutrient profile but at a higher price per ounce. For maximum value, consider the larger gallon sizes if you have enough storage space.
Are there any fertilizers in this list that are specifically formulated for soil health beyond nutrients?
The 1‑gallon Organic Fish Emulsion emphasizes soil enrichment, promoting beneficial microorganisms like fungi and improving soil structure. Its description highlights a cold‑pressed, fully utilized fish process that retains vitamins and amino acids, supporting overall soil biology. This makes it a strong choice if you aim to boost soil health in addition to feeding plants.
How do the additional features, like “does not burn” or “stimulates microorganisms,” influence product performance?
Features such as “does not burn” indicate a low risk of leaf scorch, allowing for direct foliar applications or use on sensitive seedlings. “Stimulates microorganisms” suggests the fertilizer contains organic matter that feeds soil microbes, enhancing nutrient cycling and long‑term fertility. Products highlighting these benefits, like the Central Garden Brands Fish Emul Fertilizer, are ideal for gardeners seeking gentle, soil‑friendly feeding regimes.

