RockGarden Red Shale Rock leucosternon carbonate is consumed both as

carbonate is consumed both as a buffer to neutralize organic acids

and other invertebrates

empty one packet directly into aquarium

within a reef setting it is also prone to nipping at invertebrates and must be closely observed if it is added to a reef tank

Component 2+ contains: NaHCO3

RockGarden Red Shale Rock leucosternon carbonate is consumed both asAn approximately 25 pound red colored, textured, all natural shale rock for your aquarium that functionally provides perches and hiding places for your fish, but also decorates your tank. Safe for both marine and freshwater aquariums; it will not buffer pH. As it is a completely natural rock, the item you receive may not be identical to the rock shown in the photo.