how long can you keep this sand in bag before it kills the sand

Usually every bag comes with an expiration date , I assume the live bacteria will stay alive till that time keeping it at room temperature, when I placed my order of sand, mine had a expiration date for more than a year . So I'm sure they send you fresh packed sand. I completely recommend it.

what is special grade?

The title is confusing on this item as "Special Grade Reef" and "Fiji Pink" are two totally different types of sand. Both are nice but the Special Grade is a bit bigger, if you go to there website you can see the differencehttp://caribsea.com/pages_caribsea/page_product_aragalive.html

My ammonia didn't spike at all. live rock is in, did your ammonia spike with this sand?

This is supposed to cycle your tank instantly... if you have an ammonia spike then you need more live rock. The bacteria in this acts as a filter

Can it be used for fresh water

You can use this for freshwater but it will kill the bacteria, but the sand would be fine to use. the one drawback though is it is aragonite sand, so a lower ph it could dissolve some and add too much calcium in your water. For saltwater you actually want some calcium to dissolve for the corals, but i don't think extra calcium would hurt anything in freshwater.

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CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Fiji Pink by Carib Sea

CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Fiji Pink by Carib Sea

Product ID: 767685276

Details

Brand
Carib Sea
Liquid Volume
16 Fluid
Item Weight
20 Pounds
Item Form
Granules
Target Species
Fish

🌊Fine texture for natural marine environments

🦠Millions of beneficial marine bacteria

⚖️20 lbs premium reef sand

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17982267₫

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Description

🌊 Dive into vibrant reef life with Fiji Pink’s natural power!

EASY SETUP WITH SETTLING AID - Includes a liquid additive that helps the sand settle quickly and cleanly, reducing initial cloudiness and setup time.
AUTHENTIC FIJI PINK AESTHETIC - Special grade aragonite substrate that brings vibrant, natural reef colors to your tank, making it a centerpiece of any marine setup.
ACCELERATE YOUR AQUARIUM CYCLE - Packed with beneficial bacteria to jumpstart biological filtration and stabilize your marine ecosystem faster.
OPTIMAL GRAIN SIZE FOR MARINE LIFE - Fine sand texture ideal for delicate marine species and reef environments, enhancing natural behavior and habitat realism.
VERSATILE MARINE ENVIRONMENT RECREATION - Multiple styles available to perfectly mimic any oceanic habitat, from tropical reefs to deep sea floors.

CaribSea Arag-Alive 20-Pound Special Grade Reef Sand in Fiji Pink is a premium aragonite substrate designed for marine aquariums. It contains millions of beneficial bacteria to enhance biological filtration and accelerate tank cycling. Its fine texture and authentic coloration help recreate natural reef environments, while the included settling aid ensures quick and clean setup. Trusted by thousands of aquarists, it’s the go-to choice for vibrant, healthy marine ecosystems.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Great experience from order to delivery. Highly recommended!

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17982267₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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ASIN	B00025YVGC
Batteries Included	No
Customer Reviews	4.7 4.7 out of 5 stars (2,597)
Date First Available	August 7, 2012
Is Discontinued By Manufacturer	No
Item model number	00792
batteries required	No

CaribSea Arag-Alive 20-Pound Special Grade Reef Sand, Fiji Pink by Carib Sea

Details

Details

Description

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Common Questions