---
product_id: 15414987
title: "CaribSea Coraline Aquarium Gravel, 20 lbs."
price: "894.77 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/15414987-caribsea-coraline-aquarium-gravel-20-lbs
store_origin: TN
region: Tunisia
---

# Maintains stable pH 8.2 naturally Optimized nutrient & oxygen flow for bacteria 20 lbs premium coral-friendly gravel CaribSea Coraline Aquarium Gravel, 20 lbs.

**Price:** 894.77 DT
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your reef game with gravel that works as hard as you do!

## Quick Answers

- **What is this?** CaribSea Coraline Aquarium Gravel, 20 lbs.
- **How much does it cost?** 894.77 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/15414987-caribsea-coraline-aquarium-gravel-20-lbs)

## 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

- • **Natural pH Buffer:** Maintains ideal 8.2 pH balance without harsh chemicals—keep your ecosystem pristine.
- • **Algae Defense Layer:** Discourages nuisance algae growth, ensuring crystal-clear water and a stunning display.
- • **Coral Growth Catalyst:** Precisely graded gravel promotes vibrant coral health and reef vitality.
- • **Oxygen-Rich Substrate:** Engineered to prevent anaerobic dead zones, supporting beneficial nitrifying bacteria.
- • **Effortless Aquarium Clarity:** Resists packing and channeling for easy maintenance and long-lasting water clarity.

## Overview

CaribSea Coraline Aquarium Gravel is a 20 lb premium substrate designed to support coral growth by maintaining a stable pH of 8.2 naturally. Its precise grading ensures optimal nutrient and oxygen flow to beneficial bacteria, preventing anaerobic zones and discouraging algae growth. Ideal for reef tanks, it keeps water clear and healthy without constant chemical adjustments.

## Description

Aquarium gravel with precise grading to permit free flow of nutrients and oxygen to nitrifying bacteria. Keeps water clear. Resists packing channeling and anaerobic dead spots beneath decor.

## Features

- Aids in the growth of corals
- Buffers for the life of the aquarium
- Helps maintain a proper pH of 8.2 without constant chemical additions
- Discourages nuisance algae growth

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.7 out of 5 stars 197 Reviews |

## Images

![CaribSea Coraline Aquarium Gravel, 20 lbs. - Image 1](https://m.media-amazon.com/images/I/81frk3jL4PL.jpg)

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**Shop now:** [https://www.desertcart.tn/products/15414987-caribsea-coraline-aquarium-gravel-20-lbs](https://www.desertcart.tn/products/15414987-caribsea-coraline-aquarium-gravel-20-lbs)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-27*