Caribsea Florida Crushed Coral - 15lb Seachem NPR Its first dorsal fin is

Its first dorsal fin is a spike shape which is nearly always holds erect

Slim internal surface-skimming box preserves display space

helping the filter process ammonia and nitrite in freshwater systems

12oz container for frequent freshwater fish feeding

Caribsea Florida Crushed Coral - 15lb Seachem NPR Its first dorsal fin isCaribsea Florida Crushed Coral 15lb Caribsea Florida Crushed Coral 15lb is a coarse aragonite substrate for saltwater aquariums, reef systems, fish only marine tanks, and African cichlid aquariums that require harder water and elevated pH support. Caribsea Florida Crushed Coral for Saltwater and Cichlid Aquariums Florida Crushed Coral provides a larger 2. 5 to 5. 5 mm aragonite grain that works well where a coarse substrate is preferred. It is