RockGarden Red Shale Rock leucosternon Hygrometer reads relative humidity from

Hygrometer reads relative humidity from 30% to 90%

empty one packet directly into aquarium

Also remember to monitor your tank for at least 6 hours after the treatment

and other invertebrates

Component 2+ contains: NaHCO3

RockGarden Red Shale Rock leucosternon Hygrometer reads relative humidity fromAn 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.