Rubble-sized pieces of high quality aragonitic calcium carbonate allow versatile use for your aquarium projects. CaribSea Rubble Zone is your perfect choice whether you're looking to aquascape, add a productive refugium, create a cryptic zone filter, provide additional buffering capacity for stable pH, or simply to boost biological filtration. The possibilities are only limited to your imagination!
CaribSea Rubble Zone boasts many beneficial uses thanks to its very porous aragonitic calcium carbonate structure. Perfect as a natural biological filter media and buffering agent, CaribSea Rubble Zone is ideal for supporting efficient biological filtration or proper pH in marine aquariums, brackish water setups, African cichlid tanks as well as ponds. Naturally pleasing shapes make it great for rockwork for aquarium landscaping or for anchoring coral frags. Natural assorted pieces. Average size of each rock varies between approximately 1-1/2 to 4 inches.
Please Note: CaribSea Rubble Zone is sold by volume. Quantity and size of rubble will vary.
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