---
product_id: 17289910
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 (Gallon)"
brand: "neptune's harvest"
price: "€ 138.42"
currency: EUR
in_stock: true
category: "Neptune's Harvest"
url: https://www.desertcart.hr/products/17289910-neptunes-harvest-fish-fertilizer-2-4-1-organic-liquid-plant
store_origin: HR
region: Croatia
---

# 2-4-1 NPK ratio for balanced growth OMRI Listed organic soil enhancer 100% North Atlantic fish hydrolysate 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 (Gallon)

**Brand:** neptune's harvest
**Price:** € 138.42
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock your garden’s ocean-powered potential — grow smarter, greener, and envy-worthy!

## 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 (Gallon) by neptune's harvest
- **How much does it cost?** € 138.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/17289910-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 Revolution:** Boosts beneficial microbes, improves soil structure, moisture retention, and naturally deters pests like deer.
- • **Safe for Your Family & Planet:** Organic, kid- and pet-safe formula sourced sustainably from clean North Atlantic fish.
- • **Nature’s Perfect Growth Formula:** Harness the power of cold-processed fish hydrolysate for unmatched nutrient retention and plant vitality.
- • **Complete Plant Nutrition Beyond NPK:** Delivers essential micronutrients, amino acids, enzymes, and omega oils for richer, nutrient-dense yields.
- • **Effortless Application, Maximum Absorption:** Just 1 oz per gallon acts as a natural sticker-spreader for superior foliar and soil feeding.

## Overview

Neptune’s Harvest Fish Fertilizer (2-4-1) is a premium organic liquid plant food made from 100% North Atlantic fish hydrolysate using a cold process that preserves vital nutrients. This OMRI-listed fertilizer delivers a balanced NPK ratio plus essential micronutrients, enzymes, and omega oils to support robust growth for vegetables, flowers, trees, and lawns. Easy to use with just 1 oz per gallon, it enhances soil health by feeding beneficial microbes and improving structure, while being safe for kids, pets, and the environment.

## 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 (Gallon) : Garden 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 | B000IJCZC4 |
| Best Sellers Rank | #4,520 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #161 in Garden Fertilizers |
| Brand Name | Neptune's Harvest |
| Coverage | Medium |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,103) |
| Global Trade Identification Number | 00081435040090 |
| Included Components | fertilizers |
| Item Form | Liquid |
| Item Type Name | Neptune's Harvest |
| Item Weight | 9 Pounds |
| Liquid Volume | 3784 Milliliters |
| Manufacturer | Neptune's Harvest |
| Mixing Ratio | 1:128 |
| Model Number | HF191-1 |
| Part Number | HF191 |
| Specific Uses For Product | Organic |
| Target Species | plants |
| UPC | 081435040090 |
| Unit Count | 128.0 Fluid Ounces |

## Product Details

- **Brand:** Neptune's Harvest
- **Item Form:** Liquid
- **Item Weight:** 9 Pounds
- **Liquid Volume:** 3784 Milliliters
- **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 (Gallon) - Image 1](https://m.media-amazon.com/images/I/614Hj8-DC1L.jpg)

## Available Options

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

## Frequently Bought Together

- Neptune's Harvest Fish Fertilizer 2-4-1, Gallon
- Neptune's Harvest Tomato & Veg Fertilizer 2-4-2, 1 Gallon
- Neptune's Harvest Seaweed Fertilizer 0-0-1, Gallon

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**Shop now:** [https://www.desertcart.hr/products/17289910-neptunes-harvest-fish-fertilizer-2-4-1-organic-liquid-plant](https://www.desertcart.hr/products/17289910-neptunes-harvest-fish-fertilizer-2-4-1-organic-liquid-plant)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-09*