Comparison: Best Home Depot Alaska Fish Fertilizer (Updated | Dec 1st)
If you’re looking to give your garden a natural boost, you’ve probably heard about Alaska Fish Fertilizer from Home Depot. But with so many options out there, how do you know which one’s truly the best? We’ve dug into the details—smell, nutrient content, ease of use, and real gardener results—to help you pick the right bottle. Whether you’re growing tomatoes, roses, or lush greens, the right fish fertilizer can make all the difference. Let’s break down what makes each version stand out and which one deserves a spot in your shed.
- Best for omri certified boost: Alaska Fish Fertilizer OMRI Listed 5-1-1
- Best for vitamin rich blend: 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 bulk value pack: ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)
- Best for root boosting phosphorus: Alaska Morbloom Fertilizer Natural Concentrate 0-10-10 32 oz
- Best for six-pack essentials: Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)
- Best for deep green formula: Fertilome (10612) Fish Emulsion Fertilizer 5-1-1 (32 oz)
- 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 odor-free power: Neptune’s Harvest Fish Fertilizer 2-4-1
Product Comparison: Best Home Depot Alaska 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
ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)

- ALASKA Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Тwо Расk)
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.
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.
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.
Neptune’s Harvest Fish Fertilizer 2-4-1, 18 Ounce

- Neptune’s Harvest is an organic fertilizer made from fresh north Atlantic fish
- It is made by a unique cold process that protects the vitamins, amino acids, enzymes and growth hormones
- It also contains all the micro and macro nutrients naturally found in fish
- Unlike fish emulsions, Neptune’s Harvest retains the fish proteins and oils and has no unpleasant odor
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 should I look for when choosing a fish fertilizer for my garden?
Check the N-P-K ratio to match your plant’s nutrient needs; a 5-1-1 ratio is ideal for balanced growth. Verify if the product is OMRI listed, which ensures it meets organic certification standards. Also consider odor control, packaging size, and whether the formula is deodorized for indoor use.
How does Alaska Fish Fertilizer compare to Central Garden Brands Fish Emulsion?
Alaska Fish Fertilizer offers a 5-1-1 ratio and is OMRI listed, making it suitable for certified organic gardens, while Central Garden Brands also provides 5-1-1 but emphasizes 11 vitamins and a burn‑free claim. Alaska’s variants often come in larger bulk packs (32 oz to 1 gal) offering lower cost per ounce, whereas Central Garden Brands is sold in a 1‑quart container. Both are safe for indoor and outdoor plants, but Alaska’s deodorized formula may be preferable for indoor applications.
Is the deodorized wintergreen scent in Alaska Fish Emulsion important?
Yes, the natural wintergreen deodorization reduces the strong fish smell, making it more pleasant for indoor gardening or close‑quarter use. This feature doesn’t affect nutrient content, so you still get the full 5-1-1 benefits. If odor is a concern, choosing a deodorized product can improve the overall gardening experience.
Which product provides the best value for larger gardens?
Alaska Fish Fertilizer 5-1-1 sold in 1‑gallon containers (or the 6‑pack of 32 oz) typically offers the lowest cost per ounce, making it economical for extensive planting. The bulk packaging reduces packaging waste and often includes a price advantage over smaller quart sizes. For high‑volume use, buying the larger containers or multi‑packs is the most cost‑effective choice.
Can I use these fish fertilizers on both vegetables and ornamental plants?
All listed fish fertilizers, including Alaska, Central Garden Brands, and Neptune’s Harvest, are suitable for vegetables, fruits, flowers, and trees. Their balanced nutrient profile supports foliage growth and root development across a wide range of plant types. Always follow label dilution rates to avoid over‑feeding, especially on sensitive seedlings.
What are the benefits of a fish‑and‑kelp blend like GS Plant Foods compared to pure fish emulsion?
A fish‑and‑kelp blend adds trace minerals and seaweed‑derived hormones that enhance soil microbiology and nutrient uptake, beyond the macro‑nutrients provided by fish alone. GS Plant Foods is OMRI listed and includes kelp, which can improve stress tolerance and fruit quality. However, pure fish emulsion may be slightly higher in nitrogen, making it better for rapid leaf growth.
How do I decide between a concentrate and a ready‑to‑use fish fertilizer?
Concentrates like Alaska’s 5-1-1 gallon provide flexibility; you can dilute to the exact strength needed for different plant stages, which can extend the product’s lifespan. Ready‑to‑use formulas are convenient for quick applications but may be more expensive per use. Choose a concentrate if you want precise control and cost efficiency, or a ready‑mix for simplicity.
Are there any safety or handling considerations for fish fertilizers?
Wear gloves when handling concentrated fish fertilizers to protect skin from the high nitrogen content and to avoid any residual odor. Store the product in a cool, dry place to maintain its effectiveness and prevent spoilage. Always shake or stir the solution before use to ensure even distribution of nutrients.
