Comparison: Best Alaska Fish Fertilizer For Peppers (Updated | Dec 1st)

If you’re growing peppers and want that rich, vibrant flavor and explosive yields, you’re probably looking for the best natural boost—and Alaska fish fertilizer is a top contender. We’ve dug into the top Alaska fish fertilizers, comparing nutrient content, smell, ease of use, and real garden results to help you choose the right one. Whether you’re tending bell peppers or fiery jalapeños, let’s find the perfect fishy fuel for your pepper patch.

Product Comparison: Best Alaska Fish Fertilizer For Peppers

OMRI Certified Boost

Alaska Fish Fertilizer OMRI Listed 5-1-1, 115 oz

Alaska Fish Fertilizer OMRI Listed 5-1-1, 115 oz

Alaska
  • 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

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Vitamin-Rich Formula

CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer, 1 Quart

CENTRAL GARDEN BRANDS 100099247 Fish Emul Fertilizer, 1 Quart

Lilly Miller
  • Promotes healthy plant growth with 11 vitamins
  • Can be used on all indoor and outdoor plants
  • 100-percent organic
  • Stimulates microorganisms
  • Does not burn

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Wintergreen Fresh Blend

Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)

Alaska Fish Emulsion Fertilizer 5-1-1 Concentrate 1 Gallon (Packaging may vary)

Alaska
  • 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

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Convenient 2-Pack

Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)

Lilly Miller Alaska Fish Fertilizer 5-1-1 Concentrate 1 Quart (2-Pack)

Lilly Miller
  • 2 pack

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Root-Boost Bone Meal

Down To Earth All Natural Fertilizers Organic Fish Bone Meal – High Phosphorus Plant Food for Buds, Bulbs, Blooms, Flower Beds 4-12-0, 5 lb

Down To Earth All Natural Fertilizers Organic Fish Bone Meal - High Phosphorus Plant Food for Buds, Bulbs, Blooms, Flower Beds 4-12-0, 5 lb

Down To Earth All Natural Fertilizers
  • Water-Soluble Formula – Easily dissolves in water for quick absorption and efficient nutrient delivery directly to the root zone
  • Targets Root Development – Formulated to enhance root growth, improving plant stability, nutrient uptake, and drought resistance
  • Fast-Acting Nutrients – Provides immediate access to essential nutrients like nitrogen, phosphorus, and potassium where roots need them most.
  • Ideal for Transplants & Seedlings – Great for jumpstarting young plants or helping transplants establish quickly in new soil.
  • Improves Soil-Root Interaction – Encourages a healthy rhizosphere, boosting microbial activity and root-zone nutrient cycling.

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Phosphorus Power Pack

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

Alaska
  • 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)

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Bulk Organic Boost

Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)

Alaska 100545841 Fish Fertilizer 5-1-1 32 OZ (6 Pack)

Alaska
  • 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.

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All-Purpose Emulsion

Alaska Fish Emulsion Fertilizer All Purpose 5-1-1 1 gal

Alaska Fish Emulsion Fertilizer All Purpose 5-1-1 1 gal

uNlEaSh

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Classic Alaska Formula

FERTILIZ ALASKA FISH GAL

FERTILIZ ALASKA FISH GAL

Lilly Miller
  • Sold on Amazon

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Fish & Kelp Fusion

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 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

GS Plant Foods
  • 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.

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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

Buying Guide: Best Alaska Fish Fertilizer For Peppers

Nutrient Balance (N‑P‑K Ratio)

  • Peppers thrive with higher potassium; consider formulas like 0‑10‑10 for fruit development
  • A 5‑1‑1 ratio supplies ample nitrogen for foliage while keeping phosphorus low
  • Match the ratio to your soil test results for optimal nutrient uptake

Organic Certification & Safety

  • Choose OMRI‑listed products for guaranteed organic compliance
  • 100% organic formulations protect beneficial soil microbes
  • Certified fertilizers are safe for edible crops and reduce chemical residues

Application & Dilution

  • Liquid concentrates allow precise dilution; typical rate is 1‑2 Tbsp per gallon of water
  • All listed products are non‑burning, suitable for seedlings and mature pepper plants
  • Can be applied as soil drench or foliar spray for flexible feeding schedules

Odor & Handling

  • Deodorized options (e.g., wintergreen‑scented) minimize strong fish smells
  • Easy‑pour caps and clear labeling simplify mixing and storage
  • Store in a cool, dry place to maintain nutrient potency over time

Packaging & Quantity Options

  • Sizes range from 1 Quart packs to 1‑Gallon containers for different garden scales
  • Multi‑pack bundles (2‑pack, 6‑pack) offer cost‑effective bulk buying
  • Consider container size based on planting area and frequency of use

FAQs

What N‑PK ratio is best for growing peppers with fish fertilizer?

Peppers thrive on a balanced nitrogen to phosphorus to potassium ratio, and a 5‑1‑1 fish fertilizer provides ample nitrogen for leaf growth while keeping phosphorus and potassium low enough to avoid excessive vegetative growth. This ratio encourages strong stems and fruit set without encouraging too much foliage. For a boost during fruiting, you can supplement with a higher‑potassium product like a 0‑10‑10 blend.

How does the Alaska Fish Fertilizer OMRI Listed 5‑1‑1 compare to the Central Garden Brands Fish Emul Fertilizer?

Both products are organic and safe for edible crops, but the Alaska version is OMRI listed, which is important for certified organic growers, while Central Garden Brands highlights 11 vitamins and a claim of no plant burn. The Alaska fertilizer comes in a larger 115 oz container, offering more value per ounce, whereas Central Garden Brands is sold in a 1‑quart bottle, which may be better for smaller gardens or trial use.

Is the deodorized wintergreen scent of the Alaska Fish Emulsion 5‑1‑1 a real advantage?

Yes, the natural wintergreen deodorizer reduces the typical fishy smell, making indoor applications—such as pepper plants on a windowsill—more pleasant. It also indicates a higher level of processing, which can mean a more consistent nutrient profile. However, the scent does not affect the fertilizer’s effectiveness, so if odor isn’t a concern, you may choose a lower‑priced option.

Should I buy a multi‑pack like the Alaska 5‑1‑1 6‑Pack or a single larger gallon?

Multi‑packs spread the cost over several smaller containers, which can be convenient for staggered feeding schedules and reduce waste if you run out before finishing a large gallon. A single gallon, such as the Alaska Fish Emulsion 1 gal, often has a lower cost per ounce and is ideal for larger gardens or frequent applications. Consider your garden size and how often you plan to fertilize pepper plants when deciding.

What extra benefits does the GS Plant Foods Fish & Kelp blend offer over pure fish emulsion?

The addition of kelp provides natural hormones and micronutrients that enhance root development and stress tolerance, which can improve pepper yields especially under variable weather. This blend is also OMRI listed and can be used at lower concentrations, making it cost‑effective for regular feeding. If you prefer a simple nitrogen‑focused fertilizer, pure fish emulsion may be sufficient, but the kelp boost can be valuable for overall plant vigor.

How important is OMRI listing when choosing a fish fertilizer for peppers?

An OMRI listing guarantees the product meets strict organic standards, which is crucial if you sell your peppers as organic or want to avoid synthetic inputs. While non‑OMRI fish fertilizers can still be effective, they may contain additives that disqualify a crop from organic certification. For home gardeners not seeking certification, OMRI status is a helpful quality indicator but not mandatory.

Can I use a high‑phosphorus product like Alaska Morbloom 0‑10‑10 on pepper plants?

A 0‑10‑10 fertilizer is excellent for promoting strong root systems and early seedling development, but peppers need more nitrogen during vegetative growth. Using Morbloom early in the season can help seedlings establish, then switching to a 5‑1‑1 fish fertilizer will supply the nitrogen needed for fruit production. Alternating between the two can give a balanced nutrient regimen throughout the growing cycle.

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