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Amazon.com : Nature's Ocean Bio-Activ Live Aragonite Reef Substrate, 8 lbs : Aquarium Decor Gravel : Pet Supplies
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20 lbs Natural Bahamas Oolitic Aragonite Coarse Fine (0.05 - 1 mm) - Pisces Aqua - SaltwaterAquarium.com
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1lb. Eco-Friendly Aragonite Reef Sand – FINE Natural White Crushed Coral Sand – Addictive Reef Keeping
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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
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World Wide Imports Natures Ocean Bio-activ Live Aragonite Live Reef Substrate 2/16lb Case 2 029904107219
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