MarcoRocks Aragonite Substrate, 1/2 ton – Advanced Aquatic Ecosystems, LLC.
Amazon.com: Two Little Fishies Live Aragonite Sand 15lb
CaribSea Aragonite Sand – KaveMan Aquatics Shop
MarcoRocks.com - Beautiful all natural #aragonite #sand for your #aquarium. Safe and ready for immediate use. Wonderful grain color and size. 30 to 35lb only $29.95 for a limited time! AND ships
KORALLEN-ZUCHT - Aragonite coral sand - 1 to 3 mm - 4.7kg
Amazon.com : Carib Sea ACS00050 Aragonite Reef Sand for Aquarium, 40-Pound : Caribsea Special Grade Reef Sand : Pet Supplies