---
product_id: 2461339
title: "Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables, Flowers, Fruit, Trees & Lawns"
brand: "neptune's harvest"
price: "€ 54.35"
currency: EUR
in_stock: true
category: "Neptune's Harvest"
url: https://www.desertcart.sk/products/2461339-fish-and-seaweed-liquid-fertilizer-2-3-1-18oz-pint
store_origin: SK
region: Slovakia
---

# 25% seaweed boosts plant vitality & color 75% hydrolyzed fish for nutrient-rich feed Liquid formula for fast, even absorption Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables, Flowers, Fruit, Trees & Lawns

**Brand:** neptune's harvest
**Price:** € 54.35
**Availability:** ✅ In Stock

## Summary

> 🌱 Unlock your garden’s full potential with Neptune’s Harvest—grow like a pro!

## Quick Answers

- **What is this?** Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables, Flowers, Fruit, Trees & Lawns by neptune's harvest
- **How much does it cost?** € 54.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/2461339-fish-and-seaweed-liquid-fertilizer-2-3-1-18oz-pint)

## 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 moisture retention & root strength
- • **Versatile Application:** Use as soil drench or foliar spray—perfect indoors & outdoors
- • **Effortless Feeding Routine:** Just 1 oz per gallon—easy weekly or biweekly dosing
- • **Balanced Nutrient Powerhouse:** 75% fish protein meets 25% seaweed for all-season growth
- • **Kid & Pet Safe Organic Formula:** Certified OMRI-listed, eco-friendly, and worry-free

## Overview

Neptune's Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) is a premium organic plant food blending 75% hydrolyzed fish and 25% seaweed to deliver balanced nutrients that enhance flavor, color, and growth for vegetables, flowers, trees, and lawns. Its liquid form ensures rapid absorption, supports soil microbial life, improves soil structure, and is safe for kids and pets. Ideal for both indoor and outdoor plants, it offers an easy-to-use, eco-conscious solution for vibrant, healthy gardens.

## Description

desertcart.com : Neptune's Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables, Flowers, Fruit, Trees & Lawns : Patio, Lawn & Garden

## Features

- Combined for Maximum Growth: Neptune’s Harvest Fish & Seaweed organic fertilizer is an organic all-purpose liquid plant food formulated with 75% fish and 25% seaweed for a perfect blend of nutrients; this organic plant fertilizer delivers consistent feeding as a liquid fertilizer and plant food for vegetables, flowers, trees, lawns, and indoor plants, supporting balanced growth throughout the growing season and is safe for kids and pets
- Power of Fish & Seaweed: This fish & seaweed organic plant fertilizer uses hydrolyzed fish and seaweed to supply essential nutrients in a balanced, plant-ready form; the organic all-purpose liquid fertilizer improves flavor and nutritional value of produce, brings out bright color in flowers, and supports strong plant development, making it a reliable liquid fertilizer for gardens, lawns, and indoor plants
- How to Use: This organic all-purpose liquid plant food is easy to use and highly efficient, requiring only 1 oz. per gallon of water; the liquid fertilizer can be applied as a soil drench or foliar feed and is excellent for transplants and established plants; for indoor plants, mix 1 tablespoon per gallon of water and feed weekly; for outdoor plants, mix 1/8 cup per gallon of water and apply every 1-2 weeks; this organic liquid fertilizer fits seamlessly into multiple gardening routines
- Supports Soil Performance: This fish & seaweed fertilizer 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, sequesters carbon, and helps plants become less susceptible to insects and disease while improving long-term soil quality
- Package Contents: Neptune's Harvest Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint (Pack of 1)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009HLVIY0 |
| Application Method | Soil drench or foliar feed |
| Best Sellers Rank | #3,357 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #87 in Garden Fertilizers #5,055 in Diet & Sports Nutrition |
| Brand | Neptune's Harvest |
| Coverage | Full |
| Customer Reviews | 4.7 4.7 out of 5 stars (7,101) |
| Global Trade Identification Number | 00081435218123 |
| Included Components | Item only |
| Item Form | Liquid |
| Item Type Name | fertilizers |
| Item Weight | 1.1 pounds |
| Liquid Volume | 473 ml |
| Manufacturer | Neptune's Harvest |
| Mixing Ratio | 1:20 |
| Model Number | FS118 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | sample_sku_72579 |
| Specific Uses For Product | Organic |
| Target Species | Fish & Seaweed |
| UPC | 081435218130 081435218123 |
| Unit Count | 16 Fluid Ounces |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Neptune's Harvest
- **Item Form:** Liquid
- **Item Weight:** 1.1 pounds
- **Liquid Volume:** 473 ml
- **Specific Uses For Product:** Organic

## Images

![Fish & Seaweed Liquid Fertilizer (2-3-1) - 18oz Pint - Plant Food for Garden - Indoor & Outdoor Organic Plant Fertilizer for Vegetables, Flowers, Fruit, Trees & Lawns - Image 1](https://m.media-amazon.com/images/I/61Bgc8oLKkL.jpg)

## Available Options

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

## Frequently Bought Together

- Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1, 18 Ounce
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**Shop now:** [https://www.desertcart.sk/products/2461339-fish-and-seaweed-liquid-fertilizer-2-3-1-18oz-pint](https://www.desertcart.sk/products/2461339-fish-and-seaweed-liquid-fertilizer-2-3-1-18oz-pint)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-10-23*