---
product_id: 21770444
title: "Nature's Ocean No.5 Taiwan Coral Aquarium Gravel, 20-Pound"
brand: "nature's ocean"
price: "€ 227.54"
currency: EUR
in_stock: false
reviews_count: 4
url: https://www.desertcart.hr/products/21770444-natures-ocean-no-5-taiwan-coral-aquarium-gravel-20-pound
store_origin: HR
region: Croatia
---

# 100% Ocean-Sourced Marine Trace Elements Boosts Carbonate Hardness Nature's Ocean No.5 Taiwan Coral Aquarium Gravel, 20-Pound

**Brand:** nature's ocean
**Price:** € 227.54
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Dive into Authenticity with Nature's Ocean Gravel!

## Quick Answers

- **What is this?** Nature's Ocean No.5 Taiwan Coral Aquarium Gravel, 20-Pound by nature's ocean
- **How much does it cost?** € 227.54 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/21770444-natures-ocean-no-5-taiwan-coral-aquarium-gravel-20-pound)

## Best For

- nature's ocean enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly Choice:** Sustainably sourced, making your aquarium both beautiful and responsible.
- • **Natural Marine Benefits:** Infused with essential trace elements for thriving marine life.
- • **Transform Your Aquarium:** Elevate your aquatic environment with authentic ocean floor gravel.
- • **Heat Sterilized for Purity:** Ensures a clean and safe habitat for your aquatic friends.
- • **Perfect for Live Sand Culturing:** Create a vibrant ecosystem with ease and confidence.

## Overview

Nature's Ocean No.5 Taiwan Coral Aquarium Gravel is a premium 20-pound substrate sourced 100% from the ocean floor. It enhances carbonate hardness, provides essential marine trace elements, and is heat sterilized for optimal purity, making it ideal for creating a thriving aquatic environment.

## Description

Nature's Ocean Taiwan Coral Gravel #5 20LBS (Grain size: 6.0 -8.0mm). Premium Aragonite Reef Substrate for aquariums reduces Nitrates & Maintains pH. Ideal for reef system tank bottoms, denitrifying anaerobic beds, extremely high surface area filter media. For Best Results Use as Follows: Pre-washed Minimum Rinse Required.

## Features

- 100% From The Ocean Floor
- Increases Carbonate Hardness
- Provide Marine Trace Elements
- Heat Sterilized
- Ideal for culturing Live sand

## Images

![Nature's Ocean No.5 Taiwan Coral Aquarium Gravel, 20-Pound - Image 1](https://m.media-amazon.com/images/I/71aVoOiCGCL.jpg)
![Nature's Ocean No.5 Taiwan Coral Aquarium Gravel, 20-Pound - Image 2](https://m.media-amazon.com/images/I/41Co+++mHeL.jpg)

## Customer Reviews

### ⭐⭐⭐ 







  
  
    Misleading picture
  

*by T***G on Reviewed in the United States on September 14, 2018*

The picture is misleading. Grain size is more like the no.8 I was expecting bigger chunks

### ⭐⭐⭐⭐⭐ 







  
  
    Very good
  

*by O***O on Reviewed in the United States on December 7, 2019*

It is great and looks nice in my aquarium

### ⭐ 







  
  
    Five Stars
  

*by A***R on Reviewed in the United States on July 9, 2018*

I bought a bag of this this quite a while ago and just set it aside.  But it always seemed to be a larger grain size than what I expected. The supplier's web site states that #5 is supposed to be 6-8 mm and #10 is supposed to be 8-12 mm.  So I recently took a closer look at it.  Since the bag didn't indicate a size, I managed to remove a sticker where the product identification is supposed to be located and underneath I found that it was labeled as #10 rather than #5.  Someone just covered it up to pass it off as a smaller size.  Although the bag remains closed, I was able to do some measurements and found pieces up to 20 mm.  And when I looked into returning it, I found that I was past the Amazon return deadline.  Very disappointing that Amazon would engage in such a deceptive practice and refuse to make it right.

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**Shop now:** [https://www.desertcart.hr/products/21770444-natures-ocean-no-5-taiwan-coral-aquarium-gravel-20-pound](https://www.desertcart.hr/products/21770444-natures-ocean-no-5-taiwan-coral-aquarium-gravel-20-pound)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-28*