CaribSea Rubblezone 1 Gallon

CaribSea Rubble Zone delivers premium aragonitic fragments perfect for marine and freshwater aquariums. This 1-gallon container provides approximately 6 pounds of 1" to 4" pieces ideal for anchoring coral frags, building display structures, establishing cryptic refuge zones, and supporting beneficial bacteria growth. The versatile material works equally well in refugiums, cichlid tanks, pond filters, and as substrate for burrowing species. Its porous structure enhances biological filtration while maintaining stable pH levels across various aquatic setups.