---
product_id: 16658255
title: "CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration"
price: "€ 324.70"
currency: EUR
in_stock: true
reviews_count: 9
url: https://www.desertcart.hr/products/16658255-caribsea-arag-alive-special-grade-sand-20-lbs-natural-aragonite
store_origin: HR
region: Croatia
---

# 20 lbs natural aragonite sand Promotes coral growth & attachment pH-stable for balanced water chemistry CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration

**Price:** € 324.70
**Availability:** ✅ In Stock

## Summary

> 🪸 Elevate your reef game with sand that grows with your corals!

## Quick Answers

- **What is this?** CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration
- **How much does it cost?** € 324.70 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/16658255-caribsea-arag-alive-special-grade-sand-20-lbs-natural-aragonite)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Aesthetic Clarity:** Reduces waste buildup for a pristine, visually stunning aquarium
- • **Coral Growth Catalyst:** Porous aragonite substrate encourages vibrant coral health
- • **Reef-Ready Perfection:** Specially crafted for thriving reef & marine tanks
- • **Natural Filtration Boost:** Enhances biological filtration for crystal-clear water
- • **Water Chemistry Guardian:** Maintains stable pH to protect delicate marine life

## Overview

CaribSea Arag-Alive Special Grade Sand is a 20 lbs natural aragonite substrate designed specifically for reef and marine aquariums. Its porous structure promotes coral attachment and growth while enhancing biological filtration and maintaining stable pH levels, resulting in clearer water and a healthier, more vibrant aquatic ecosystem.

## Description

desertcart.com : CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration : Pet Habitat Substrate : Pet Supplies

Review: Best reef aquarium sand - Best reef aquarium sand out there. I’ve used it for years and find it’s the best grain size.
Review: Looks great!! - Just set the tank up with this stuff and it looks great!!

## Features

- Perfect for Reef & Marine Tanks: CaribSea Arag-Alive Special Grade Sand is designed for reef and marine aquariums, creating a thriving aquatic environment.
- Supports Coral Growth: The porous aragonite sand promotes coral attachment, supporting healthy growth and a stable reef ecosystem.
- Enhances Natural Filtration: This substrate aids in maintaining water balance, contributing to a well-maintained, stable aquarium environment.
- Improves Water Clarity: Helps reduce waste buildup, promoting cleaner water for a clear, pristine tank environment for fish and corals.
- Safe & pH-Stable: With its pH-stable composition, this sand won’t alter water chemistry, making it safe for marine species, including fish, corals, and invertebrates.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.5 out of 5 stars 209 Reviews |

## Product Details

- **Brand:** Carib Sea
- **Liquid Volume:** 20 Liters
- **Item Weight:** 20 Pounds
- **Item Form:** Sand
- **Target Species:** Fish

## Images

![CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration - Image 1](https://m.media-amazon.com/images/I/81gUompjUUL.jpg)
![CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration - Image 2](https://m.media-amazon.com/images/I/81kgzjLGRIL.jpg)
![CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration - Image 3](https://m.media-amazon.com/images/I/81kCBkjCBrL.jpg)
![CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration - Image 4](https://m.media-amazon.com/images/I/91psPq3fjSL.jpg)
![CaribSea Arag-Alive Special Grade Sand - 20 lbs - Natural Aragonite Substrate for Reef & Marine Tanks, Promotes Coral Growth & Biological Filtration - Image 5](https://m.media-amazon.com/images/I/91gReUWyILL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best reef aquarium sand
*by M***S on April 12, 2026*

Best reef aquarium sand out there. I’ve used it for years and find it’s the best grain size.

### ⭐⭐⭐⭐⭐ Looks great!!
*by D***S on April 27, 2026*

Just set the tank up with this stuff and it looks great!!

### ⭐⭐⭐⭐⭐ Good coral sand
*by J***Y on March 13, 2026*

Sand was good wet not dry like it should be thanks.

## Frequently Bought Together

- Carib Sea Arag-Alive Special Grade Sand, 20 lbs.
- Instant Ocean Sea Salt (50 gal)_MB

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**Shop now:** [https://www.desertcart.hr/products/16658255-caribsea-arag-alive-special-grade-sand-20-lbs-natural-aragonite](https://www.desertcart.hr/products/16658255-caribsea-arag-alive-special-grade-sand-20-lbs-natural-aragonite)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-18*