---
product_id: 7920090
title: "Neptune's Harvest Fish Fertilizer (2-4-1) - Organic Liquid Plant Fertilizer - Fish Hydrolysate for Vegetables, Flowers, Fruit, Trees, Grass - Indoor and Outdoor Plant Food (5 Gallon Pail)"
brand: "neptune's harvest"
price: "$914.40"
currency: USD
in_stock: true
category: "Neptune's Harvest"
url: https://www.desertcart.us/products/7920090-neptunes-harvest-fish-fertilizer-2-4-1-organic-liquid-plant
store_origin: US
region: United States of America
---

# 2-4-1 NPK ratio for balanced growth OMRI Listed organic, safe for kids & pets Cold-processed fish hydrolysate preserves nutrients Neptune's Harvest Fish Fertilizer (2-4-1) - Organic Liquid Plant Fertilizer - Fish Hydrolysate for Vegetables, Flowers, Fruit, Trees, Grass - Indoor and Outdoor Plant Food (5 Gallon Pail)

**Brand:** neptune's harvest
**Price:** $914.40
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock Ocean-Powered Growth — Because Your Plants Deserve the Best!

## Quick Answers

- **What is this?** Neptune's Harvest Fish Fertilizer (2-4-1) - Organic Liquid Plant Fertilizer - Fish Hydrolysate for Vegetables, Flowers, Fruit, Trees, Grass - Indoor and Outdoor Plant Food (5 Gallon Pail) by neptune's harvest
- **How much does it cost?** $914.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/7920090-neptunes-harvest-fish-fertilizer-2-4-1-organic-liquid-plant)

## Best For

- neptune's harvest enthusiasts

## Why This Product

- Trusted neptune's harvest brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Soil Health Booster:** Feeds beneficial microbes, improves soil structure, moisture retention, and naturally deters pests like deer.
- • **Ultra-Nutrient Dense Liquid:** Packed with vitamins, amino acids, enzymes, and omega oils beyond standard NPK for superior plant vitality.
- • **Versatile & Easy Application:** Just 1 oz per gallon for soil drench or foliar feed—perfect for indoor plants, gardens, lawns, and trees.
- • **Nature’s Perfect Growth Formula:** Harness the power of 100% North Atlantic fish hydrolysate for nutrient-rich, balanced plant feeding.
- • **Sustainably Sourced & Odor-Controlled:** Cold-processed from wild ocean fish, delivering powerful nutrition without the typical fishy smell.

## Overview

Neptune’s Harvest Fish Fertilizer (2-4-1) is a premium organic liquid plant food made from cold-processed North Atlantic fish hydrolysate. It delivers a rich blend of NPK, micronutrients, enzymes, and omega oils to boost plant growth, improve soil health, and enhance crop quality. Safe for indoor and outdoor use, this OMRI-listed fertilizer supports sustainable gardening with easy application and minimal odor.

## Description

desertcart.com : Neptune's Harvest Fish Fertilizer (2-4-1) - Organic Liquid Plant Fertilizer - Fish Hydrolysate for Vegetables, Flowers, Fruit, Trees, Grass - Indoor and Outdoor Plant Food (5 Gallon Pail) : Fertilizers : Patio, Lawn & Garden

## Features

- Derived for Maximum Growth: Start with nutrition designed to work with nature; Neptune’s Harvest Organic Fish Fertilizer 2-4-1 is a liquid fish fertilizer and organic fish plant food made using a unique cold process that protects the vitamins, amino acids, enzymes, and growth hormones; sourced from clean, mineral rich North Atlantic Ocean fish and never lake, farmed, or river fish; this fertilizer supports lawns, vegetables, flowers, and indoor plants throughout the growing season and is safe for kids and pets
- Power of Fish Hydrolysate: Crafted from post-fillet ocean fish using 100% of the fish, this organic plant fertilizer delivers complete nutrition in nature’s perfect balance; containing far more than NPK, it supplies micronutrients, trace elements, vitamins, minerals, amino acids, enzymes, and omega oils, making this plant fertilizer beneficial for everything that grows while supporting better yield, improved quality, and nutrient-dense food without the offensive odor common in fish emulsions
- How to Use: Simple and efficient across growing spaces, this liquid plant food requires only one ounce per gallon of water and works as a soil drench or foliar feed; ideal as an indoor plant fertilizer and for outdoor gardens, trees, lawns, and vegetables, this liquid fish fertilizer acts as a natural sticker and spreader, helping nutrients adhere better to plant surfaces for effective absorption
- Supports Soil Performance: This organic soil amendments solution builds organic matter, feeds beneficial bacteria and microbes, and improves soil structure over time; soil becomes looser, retains moisture, drains better, and supports healthier roots; this organic fish fertilizer is OMRI Listed, helps raise Brix levels, sequesters carbon, and may deter deer naturally, helping plants become less susceptible to insects and disease while improving long-term soil qulity
- Package Contents: Neptune's Harvest (2-4-1) Fish Fertilizer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0091FPMGW |
| Application Method | soil drench or foliar feed |
| Best Sellers Rank | #12,648 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #327 in Garden Fertilizers #16,804 in Diet & Sports Nutrition |
| Brand | Neptune's Harvest |
| Brand Name | Neptune's Harvest |
| Coverage | Organic |
| Customer Reviews | 4.7 out of 5 stars 3,092 Reviews |
| Included Components | Nitrogen-2%, Phosphate-4%, Potash-1% |
| Item Form | Liquid |
| Item Type Name | Neptune's Harvest HF150 Organic Hydrolized Fish Fertlizer, 5-Gallons |
| Item Weight | 45 pounds |
| Liquid Volume | 18927 ml |
| Manufacturer | Neptune's Harvest |
| Mixing Ratio | 1:128 |
| Model Number | HF150 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | HF 150 |
| Specific Uses For Product | Organic |
| Target Species | Fish |
| UPC | 081435050457 |
| Unit Count | 640 Fluid Ounces |

## Product Details

- **Brand:** Neptune's Harvest
- **Item Form:** Liquid
- **Item Weight:** 45 pounds
- **Liquid Volume:** 18927 ml
- **Specific Uses For Product:** Organic

## Images

![Neptune's Harvest Fish Fertilizer (2-4-1) - Organic Liquid Plant Fertilizer - Fish Hydrolysate for Vegetables, Flowers, Fruit, Trees, Grass - Indoor and Outdoor Plant Food (5 Gallon Pail) - Image 1](https://m.media-amazon.com/images/I/611+YbByLnL.jpg)
![Neptune's Harvest Fish Fertilizer (2-4-1) - Organic Liquid Plant Fertilizer - Fish Hydrolysate for Vegetables, Flowers, Fruit, Trees, Grass - Indoor and Outdoor Plant Food (5 Gallon Pail) - Image 2](https://m.media-amazon.com/images/I/91-EbbT-akL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Neptune's Harvest Fish Fertilizer 2-4-1 (5 Gallon Pail)
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-13*