CaribSea Arag-Alive! Special Grade Reef Aquarium Sand, 20-lb bag

$25.76 (-5%) Chewy Price
$27.19 List Price
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About This Item

Details

  • Contains millions of live bacteria to help aquarium water cycle fast, clear quickly and provide a natural biological balance.
  • Made with real aragonite sand for an authentic marine environment.
  • Simply open this sand and add it to your aquarium—no rinsing required!
  • “Good til Date” helps ensure you’re using fresh, high quality sand.
  • Natural substrate helps create and maintain ideal water conditions for your exotic fish and reefs.

Questions & Answers

2 Customer Questions


Is this for saltwater or fresh water tanks?

Answer by ChewySep 08, 2021
This sand is made for and usually used in marine aquariums.

What’s size of grain sand ?

Answer by ChewyJan 05, 2022
This sand measures between 1.0 – 2.0mm with a density of 85 pounds per cubic foot.
4.3
Rated 4.3 out of 5 stars
38 Ratings

14 Customer Reviews



Rated 5 out of 5 stars
By Dyan on Jan 2, 2026

Great sand

Packaged great no leaks. Works amazing cloudiness cleared up within an hour. Thank you chewy for fast shipping!

Packaged great no leaks. Works amazing cloudiness cleared up within an hour. Thank you chewy for fast shipping!


Rated 1 out of 5 stars
By Rolando on Dec 6, 2025

Bad packaging

The bag came broken, with the water watering

The bag came broken, with the water watering


Rated 3 out of 5 stars
By Sue on Jul 17, 2025

Most of the liquid in bag was leaked into pkg

Need to wrap items with liquid in bubble wrap. Live sand without the “live” bacteria is kinda useless

Need to wrap items with liquid in bubble wrap. Live sand without the “live” bacteria is kinda useless


Rated 5 out of 5 stars
By Oleg on Nov 22, 2025

As expected

Use by date was 4/2026..

Use by date was 4/2026..


Rated 3 out of 5 stars
By Lee on May 16, 2025

Good product but

Shipping box was collapsed, wet, sand was dry. Hole in product bag so liquid seeped out.

Shipping box was collapsed, wet, sand was dry. Hole in product bag so liquid seeped out.


Rated 5 out of 5 stars
By Gene on Dec 29, 2025

Good reef sand

Nice grain

Nice grain


Rated 5 out of 5 stars
By David on Apr 13, 2025

Delivery great

rapid processing order, shipping prompt, good packaging.

rapid processing order, shipping prompt, good packaging.


Rated 1 out of 5 stars
By Christopher on Sep 18, 2024

Wet live sand

Recieved sand in a soaked box. Sand is now dry. Wasn't planning on using it right away.

Recieved sand in a soaked box. Sand is now dry. Wasn't planning on using it right away.


Rated 3 out of 5 stars
By George on Feb 19, 2025

the package was wet and leakng. Poorly packaged

It was leaking

It was leaking


Rated 5 out of 5 stars
By Michael on Feb 27, 2025

Live sand

Looks great

Looks great