---
product_id: 181103027
title: "Aqua Natural Aquarium Sand, Coarse Aragonite, 10lb | Reef, Saltwater and Marine Aquariums"
brand: "aqua natural"
price: "$148.11"
currency: USD
in_stock: true
category: "Aqua Natural"
url: https://www.desertcart.us/products/181103027-aqua-natural-aquarium-sand-coarse-aragonite-10lb-reef-saltwater-marine
store_origin: US
region: United States of America
---

# Buffers pH at stable 8.2 1M+ sq.cm surface for bacteria 98% pure calcium carbonate Aqua Natural Aquarium Sand, Coarse Aragonite, 10lb | Reef, Saltwater and Marine Aquariums

**Brand:** aqua natural
**Price:** $148.11
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate your reef game with the pure power of Bahamian aragonite!

## Quick Answers

- **What is this?** Aqua Natural Aquarium Sand, Coarse Aragonite, 10lb | Reef, Saltwater and Marine Aquariums by aqua natural
- **How much does it cost?** $148.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/181103027-aqua-natural-aquarium-sand-coarse-aragonite-10lb-reef-saltwater-marine)

## Best For

- aqua natural enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Grain Size:** Perfectly coarse for reef tanks, fish tanks, plenum systems, and refugiums
- • **Unmatched pH Stability:** Maintains optimal 8.2 pH for thriving marine life without chemical additives
- • **Phosphate-Free Clean Water:** Keeps aquarium water pristine, preventing algae blooms and contamination
- • **Pure Ocean-Harvested Aragonite:** 98% calcium carbonate sourced sustainably from The Bahamas, not land-mined
- • **Massive Beneficial Bacteria Habitat:** Over 1 million sq.cm surface area per kg promotes natural biofiltration

## Overview

Aqua Natural Aquarium Sand is a premium, sustainably sourced coarse aragonite substrate harvested under official Bahamian license. With 98% pure calcium carbonate, it naturally buffers aquarium pH at 8.2, supports beneficial bacteria with over 1 million sq.cm surface area per kg, and is phosphate-free to ensure crystal-clear water. Ideal for reef, saltwater, and marine aquariums, it offers a clean, natural environment for all aquatic life stages.

## Description

Bahamian Aragonite Aquarium Sand is the ideal substrate for marine, reef or African Cichlid aquariums. It is a pure Oolitic Aragonite sand collected from the crystal clear oceans of The Bahamas, with no harmful tar, organics or impurities. This aquarium sand has unsurpassed buffering capability and helps maintain a natural pH balance of 8.2 without the constant addition of chemicals. One kg of Oolitic Aragonite Aquarium Sand offers over 1 million sq. cm of surface area providing a huge space for housing ammonia, nitrate and nitrite reducing bacteria. Oolitic Aragonite Sand is the ideal grain size for reef tanks, fish tanks, plenum systems and refugiums.

## Features

- Unsurpassed buffering capability: Keeps pH at a stable 8.2 for optimal aquatic environment
- Phosphate free: Ensures clean water quality without unwanted phosphate contamination
- High purity composition: 98% pure calcium carbonate with no impurities like other forms of aragonite
- Sustainably sourced material: Naturally renewable oolitic aragonite harvested responsibly
- Genuine Marine aragonite: Authentic ocean-harvested substrate, not land mined material
- Officially licensed product: The only brand with a lease from The Bahamian government to harvest aragonite
- Extensive surface area: Provides over 1 million sq. cm per kg for beneficial bacteria colonization
- Versatile aquarium substrate: Suitable grain size for reef tanks, fish tanks, plenum systems and refugiums

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07X1V7ZXW |
| ASIN  | B07X1V7ZXW |
| Age Range Description | All Life Stages |
| Best Sellers Rank | #52,194 in Pet Supplies ( See Top 100 in Pet Supplies ) #39 in Aquarium Sand |
| Brand Name | Aqua Natural |
| Color | Sand |
| Customer Reviews | 4.5 4.5 out of 5 stars (426) |
| Date First Available | August 27, 2019 |
| Date First Available  | August 27, 2019 |
| Directions | Rinse material well in a bucket using clean water. Do not use soap or other cleaning agents. Continue to rinse material until overflow water turns from a milky to light cloudy appearance. Any remaining cloudiness will disappear after a few hours of filter operation. |
| Included Components | 1 x bag of coarse aragonite |
| Item Dimensions LxWxH | 13.39 x 2.36 x 8.66 inches |
| Item Package Dimensions L x W x H | 13.74 x 9.37 x 2.32 inches |
| Item Weight | 4.5 Kilograms |
| Item model number | ARAGC010 |
| Item model number  | ARAGC010 |
| Manufacturer | Pisces USA |
| Manufacturer  | Pisces USA |
| Model Name | Coarse Aragonite |
| Number of Items | 1 |
| Product Dimensions  | 13.39 x 2.36 x 8.66 inches; 9.92 Pounds |
| Size | 10lb |
| Specific Uses for Product | Reef tanks, fish tanks, plenum systems, refugiums |
| Target Audience Keyword | Fish, fish |

## Images

![Aqua Natural Aquarium Sand, Coarse Aragonite, 10lb | Reef, Saltwater and Marine Aquariums - Image 1](https://m.media-amazon.com/images/I/71YaLMlAbOL.jpg)

## Available Options

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

## Questions & Answers

**Q: Pounds of this sand for 135 gallon aquarium?**
A: I used 15 pounds for a 30 gallon tank which gave me about an inch deep.

**Q: Can this be used in a fresh water tank?**
A: Yes it can. Be mindful it'll raise your ph if you like a low ph tank.

## Frequently Bought Together

- Coarse Aragonite 10lb Sand for Reef, Saltwater and Marine Aquariums
- Instant Ocean Sea Salt 50 Gallons, For Marine Aquariums, Fast Dissolving

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-10*