CaribSea Aquatics South Seas Base Rock Shelf, 40-Pound SIZE:40 lb Rattle-free design reduces noise on

Rattle-free design reduces noise on road trips

With nutrient-dense chicken liver

odors and ammonia

while Ultra-Activated carbon removes odors and discoloration

keeping your pets warm and comfortable

CaribSea Aquatics South Seas Base Rock Shelf, 40-Pound SIZE:40 lb Rattle-free design reduces noise onAt an unprecedented 50% void space (macro and micro), you will be hard Pressed to find a durable natural Rock that has this magnitude of porosity Natural weathering processes form the fantastic shapes of South seas base Rock by the erosion and pitting of Limestone over the course of eons T is clean and safe for marine, reef and hard water freshwater aquariums such as African cichlids Package Dimension: 13. 0"L x 2. 0"W x 20. 0"H