![Nature's Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain) - Walmart.com Nature's Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain) - Walmart.com](https://i5.walmartimages.com/asr/578ad2aa-2b76-4aa5-8c7e-51f9eb1ad87f.ef3712346fe5f0d85a5be16280454462.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Nature's Ocean Samoa Pink Bio-Activ Live Aragonite Reef Sand 20 lbs (0.5-1.7 mm Grain) - Walmart.com
![Is this sand safe for my substrate? I'm using a 5:2 ratio with coconut fiber. I thought I was going in the right direction by not buying calcium sand but I just Is this sand safe for my substrate? I'm using a 5:2 ratio with coconut fiber. I thought I was going in the right direction by not buying calcium sand but I just](https://preview.redd.it/21j1zonw0ef91.jpg?auto=webp&s=397ce221f14bcad2488bed8da3889fcd7cb29d79)
Is this sand safe for my substrate? I'm using a 5:2 ratio with coconut fiber. I thought I was going in the right direction by not buying calcium sand but I just
![Amazon.com : LANDEN NanshaPure Natural Sand 11lbs (3.2L) for Reef or Hardwater Aquarium, Premium Aragonite Cosmetic Sand for Saltwater and Marine Aquascape, Substrate for Cichlid, Harlequin Shrimp and Hermit Crab : Pet Amazon.com : LANDEN NanshaPure Natural Sand 11lbs (3.2L) for Reef or Hardwater Aquarium, Premium Aragonite Cosmetic Sand for Saltwater and Marine Aquascape, Substrate for Cichlid, Harlequin Shrimp and Hermit Crab : Pet](https://m.media-amazon.com/images/I/71mWn7RN1OL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : LANDEN NanshaPure Natural Sand 11lbs (3.2L) for Reef or Hardwater Aquarium, Premium Aragonite Cosmetic Sand for Saltwater and Marine Aquascape, Substrate for Cichlid, Harlequin Shrimp and Hermit Crab : Pet
![Amazon.com : Carib Sea ACS00050 Aragonite Reef Sand for Aquarium, 40-Pound : Caribsea Special Grade Reef Sand : Pet Supplies Amazon.com : Carib Sea ACS00050 Aragonite Reef Sand for Aquarium, 40-Pound : Caribsea Special Grade Reef Sand : Pet Supplies](https://m.media-amazon.com/images/I/71PY4jfxGrL.jpg)
Amazon.com : Carib Sea ACS00050 Aragonite Reef Sand for Aquarium, 40-Pound : Caribsea Special Grade Reef Sand : Pet Supplies
![Amazon.com : Carib Sea ACS00020 Aragonite Reef Sand for Aquarium, 15-Pound : Pet Habitat Sand : Pet Supplies Amazon.com : Carib Sea ACS00020 Aragonite Reef Sand for Aquarium, 15-Pound : Pet Habitat Sand : Pet Supplies](https://m.media-amazon.com/images/I/71eETc6YNIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Carib Sea ACS00020 Aragonite Reef Sand for Aquarium, 15-Pound : Pet Habitat Sand : Pet Supplies
![NATURE'S OCEAN Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #0, 10-lb bag - Chewy.com NATURE'S OCEAN Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #0, 10-lb bag - Chewy.com](https://image.chewy.com/is/image/catalog/135535_MAIN._AC_SL600_V1503079565_.jpg)
NATURE'S OCEAN Bio-Activ Live Aragonite Saltwater Aquarium Sand, Natural White #0, 10-lb bag - Chewy.com
![50lb. Eco-Friendly Aragonite Reef Sand – FINE Natural White Crushed Coral Sand FREE SHIPPING!!! – Addictive Reef Keeping 50lb. Eco-Friendly Aragonite Reef Sand – FINE Natural White Crushed Coral Sand FREE SHIPPING!!! – Addictive Reef Keeping](https://addictivereefkeeping.com/wp-content/uploads/2020/02/Photo_1647639319420-scaled.jpg)
50lb. Eco-Friendly Aragonite Reef Sand – FINE Natural White Crushed Coral Sand FREE SHIPPING!!! – Addictive Reef Keeping
![Live Aragonite Natural Bottom Coarse Mix Reef Sand (15 lb) - Two Little Fishies - SaltwaterAquarium.com Live Aragonite Natural Bottom Coarse Mix Reef Sand (15 lb) - Two Little Fishies - SaltwaterAquarium.com](https://cdn11.bigcommerce.com/s-fh5tkm/products/5067/images/22365/Large-Grain-Sand-Bag-1000x1000__15739.1594397849.650.650.jpg?c=2)
Live Aragonite Natural Bottom Coarse Mix Reef Sand (15 lb) - Two Little Fishies - SaltwaterAquarium.com
![Getting to the Bottom of Aquarium Sand and other Substrates | Reef Builders | The Reef and Saltwater Aquarium Blog Getting to the Bottom of Aquarium Sand and other Substrates | Reef Builders | The Reef and Saltwater Aquarium Blog](https://reefbuilders.com/wp-content/blogs.dir/1/files/2020/06/aquarium-sand-substrate.jpg)