---
product_id: 246965357
title: "Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient"
brand: "greenleaf nutrients"
price: "₨1120"
currency: SCR
in_stock: true
reviews_count: 8
category: "Greenleaf Nutrients"
url: https://www.desertcart.sc/products/246965357-organic-sea-k-for-plants-seaweed-and-kelp-fertilizer-supplement
store_origin: SC
region: Seychelles
---

# 18%+ soluble potassium (K) for vibrancy 100% water soluble powder 70+ vitamins, minerals & enzymes Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient

**Brand:** greenleaf nutrients
**Price:** ₨1120
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your garden game with nature’s most potent seaweed elixir!

## Quick Answers

- **What is this?** Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient by greenleaf nutrients
- **How much does it cost?** ₨1120 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/246965357-organic-sea-k-for-plants-seaweed-and-kelp-fertilizer-supplement)

## Best For

- greenleaf nutrients enthusiasts

## Why This Product

- Trusted greenleaf nutrients brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Advanced Extraction Purity:** Low-temp enzymatic hydrolysis preserves bioactive ingredients for peak plant vitality.
- • **Boosts Growth & Resilience:** Rich in polysaccharides, cytokinins, auxins, and more to supercharge root health and yields.
- • **Certified Organic Excellence:** Dual OMRI & EU ECOCERT certified for trusted, clean, and sustainable plant nutrition.
- • **Ultra-Concentrated Powerhouse:** 200g makes up to 400 gallons—maximize your growth potential with minimal effort.
- • **Versatile Growing Compatibility:** Perfect for hydroponics, soil, coco, peat, rockwool, and drip irrigation systems.

## Overview

Organic Sea-K is a premium, concentrated seaweed and kelp extract powder, delivering over 70 essential vitamins, minerals, and enzymes. Certified organic by OMRI and EU ECOCERT, it uses advanced low-temperature enzymatic extraction to maintain purity and bioactivity. With 18%+ soluble potassium and full water solubility, it supports robust plant growth, stress resistance, and vibrant yields across all growing media and systems.

## Description

Kelp seaweed extract has long been known as one of the most effective, natural and potent ways to improve your plants. Improve resistance to stress; promote fruit and flower expansion, coloring and potency, and increase Brix! Rich concentrations of more than 70 vitamins, minerals, and enzymes helps benefit your plants and revitalize your soil media. Sea-K Kelp is extracted from species Ascophyllum nodosum, Sargassum, Laginariausing the most advanced, low temperature enzymatic hydrolysis processes, maintaining a light brown color and highest purity of beneficial bioactive ingredients. 100% water soluble powder form suitable for any growthing system or media. Including greenhouse & outdoor drip irrigation, hydroponics, coco, peat, soil, rockwool, etc. High Potassium(K) for vibrancy, with over 18% soluble K! Also high levels of soluble Magnesium (Mg), Calcium (Ca), Iron (Fe), etc. Promotes strong growth, root viability, germination and yields. Rich in polysaccharides, cytokins, auxins, purines, IAA and more! Don’t miss this essential nutrient for your plants! Legal Disclaimer: This product does NOT contain any pesticides, synthetic PGR’s, or and other EPA regulated ingredients. This product is fully compliant with all EPA rules and regulations. This product meets or exceeds all OMRI and state guidelines for heavy metals verified through independent lab testing, and is safe to be used on crops meant for human consumption. This is product is not currently registered, designed or intended for use as fertilizer in the states of Washington, Oregon or California. Please consult your state website (state department of agriculture or fertilizer) for guidance and list of appropriate and registered and approved fertilizers in your region. For questions regarding product pending compliance, or regulatory application process in your state, feel free to contact us!

Review: Great kelp extract - Very effective with visibly clear results in 1-2 weeks after use. Super for bottom watering and root hydrotherapy. My oldest and most ailing succulents are completely revitalized. Leaves are full again, vibrant colors have returned. Baby plants are loving the extract too.
Review: Plants really grow well with this fertilizer. - Plants love this stuff.

## Features

- 【Kelp seaweed extract】has long been known as one of the most effective, natural and potent ways to improve your plants. Improve resistance to stress; promote fruit and flower expansion, coloring and potency, and increase Brix! Rich concentrations of more than 70 vitamins, minerals, and enzymes helps benefit your plants and revitalize your soil media.
- 【OMRI and EU ECOCERT Organic】Dual Organic Agriculture certification (National Organic Program) for both USA and Europe for Organic farming and crop production.
- Sea-K Kelp is extracted from species Ascophyllum nodosum, Sargassum, Laginariausing the most advanced, 【low temperature enzymatic hydrolysis processes】, maintaining a light brown color and highest purity of beneficial bioactive ingredients.
- 【100% Water Soluble Powder】 Suitable for any growing system or media, including greenhouse & outdoor drip irrigation, hydroponics, coco, peat, soil, rockwool, etc. 200g ultra concentrated bag size makes up to 400 gallons!
- 【High Potassium(K)】 For vibrancy, with over 18% soluble K! Also high levels of soluble Magnesium (Mg), Calcium (Ca), Iron (Fe), etc.
- 【Promotes strong growth, root viability, germination and yields.】 Rich in polysaccharides, cytokins, auxins, purines, IAA and more! Don’t miss this essential nutrient for your plants!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B083LLVZQM |
| Best Sellers Rank | #37,780 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #978 in Garden Fertilizers |
| Brand | Greenleaf Nutrients |
| Brand Name | Greenleaf Nutrients |
| Coverage | Medium |
| Customer Reviews | 4.6 out of 5 stars 472 Reviews |
| Item Form | Powder |
| Item Height | 3 inches |
| Item Weight | 1000 Grams |
| Manufacturer | Greenleaf Nutrients |
| Mixing Ratio | 1 gram per 2 gallons |
| Model Number | 7426911906942 |
| Number of Items | 1 |
| Specific Uses For Product | Garden cultivation and farming |
| Target Species | plants |
| Unit Count | 35.274 Ounce |

## Product Details

- **Brand:** Greenleaf Nutrients
- **Item Weight:** 1000 Grams
- **Item Form:** Powder
- **Specific Uses For Product:** Garden cultivation and farming
- **Manufacturer:** Greenleaf Nutrients

## Images

![Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient - Image 1](https://m.media-amazon.com/images/I/41UXktb+amL.jpg)
![Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient - Image 2](https://m.media-amazon.com/images/I/51UyiK273+L.jpg)
![Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient - Image 3](https://m.media-amazon.com/images/I/612M8v+LZPL.jpg)
![Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient - Image 4](https://m.media-amazon.com/images/I/81DZ4ROAUjL.jpg)
![Organic Sea-K for Plants Seaweed and Kelp Fertilizer Supplement Concentrated Extract Powder Nutrient - Image 5](https://m.media-amazon.com/images/I/81v14Mjh5tL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great kelp extract
*by J***S on December 28, 2024*

Very effective with visibly clear results in 1-2 weeks after use. Super for bottom watering and root hydrotherapy. My oldest and most ailing succulents are completely revitalized. Leaves are full again, vibrant colors have returned. Baby plants are loving the extract too.

### ⭐⭐⭐⭐⭐ Plants really grow well with this fertilizer.
*by R***L on July 5, 2025*

Plants love this stuff.

### ⭐⭐⭐⭐⭐ Need small amount only and quickly dissolved
*by K***E on June 17, 2025*

Planted a chaos garden on the side of my house and i set up a solar watering system and dropped the pump into this 5 gallon container . I decide to add the kelp to my rain catcher can so it will be distributed directly to the roots . Im really excited to see how well this works . I added 1/2 tsp (2x1/4 tsp) to the 5 gallon can . Easy to use/measure and dissolved instantly which will be easy on the solar pump.

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-24*