| Sort by Popularity | Manufacturer- | Product(s) | Model | Price | Buy Now |
| | Seachem | MERIDIAN 9 KG 2/CS
Seachem Meridian
Meridian™ is an all natural oolitic (spherical or egg shaped) aragonite substrate for all reef and marine aquaria. Meridian™ is the premium aragonite substrate for the reef aquaria. It’s grain size (a fairly uniform .25 - .50 mm) is ideally suited to reef inhabitants and it’s chemical composition will assist in stabilizing calcium and alkalinity while preventing l... This item is sold individually. — FREE shipping when ordering $75 or more of qualifying items....more. | 729178 | $16.96 | |
| | Seachem | PEARL BEACH 10 KG 2/CS
Seachem Pearl Beach
Pearl Beach™ is an all natural aragonite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Similar in appearance to Meridian™, it’s grain size is considerably more varied. Unlike competing “wet” gravels, Pearl Beach™ is sold dry: this bag c... This item is sold individually. — FREE shipping when ordering $75 or more of qualifying items....more. | 729180 | $16.96 | |
| | | Caribsea The A.R.K. - The Aragonite Refugium Kit
CaribSea The A.R.K. - The Aragonite Refugium Kit
Micro floras, micro faunas, and sponges can provide a valuable food source for hard to feed reef tenants such as angelfish, tangs, mandarin gobies, butterfly fish, and larger invertebrates. CaribSea’s ARK is the first complete refugium kit for marine and reef aquariums which caters to the growth of these hard to obtain, hard to prod... ...more. | 533295 | $104.86 | |
| | | ARAG ALIVE BAHAMAS OOLITE 10 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533025 | $14.99 | |
| | | ARAG ALIVE BAHAMAS OOLITE 20 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533030 | $15.29 | |
| | | ARAG ALIVE BIMINI PINK 10 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533035 | $19.56 | |
| | | ARAG ALIVE BIMINI PINK 20 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533040 | $17.59 | |
| | | ARAG ALIVE FIJI PINK 10 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533045 | $12.38 | |
| | | ARAG ALIVE FIJI PINK 20 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533050 | $15.29 | |
| | | ARAG ALIVE FL CRUSHED CORAL 10 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533055 | $46.35 | |
| | | ARAG ALIVE FL CRUSHED CORAL 20 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533060 | $22.99 | |
| | | ARAG ALIVE SPEC GRADE REEF SAND 10 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533065 | $12.99 | |
| | | ARAG ALIVE SPEC GRADE REEF SAND 20 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533070 | $18.99 | |
| | | ARAG ALIVE WEST CARIBBEAN REEF 10 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533075 | $14.99 | |
| | | ARAG ALIVE WEST CARIBBEAN REEF 20 LB
CaribSea ARAG ALIVE Substrates
Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive!™ creates a natural biological balance, and makes cycling a new aqu... ...more. | 533080 | $21.99 | |
| | | ARAGAMAX GRAND BAHAMAS BIOME 15 LB #0003
Dry Aragonite Substrates
“The Engineered Aragonite!” Caribsea’s marine substrates are recognized worldwide for their purity and precision.
Our aragonite is purposely engineered and free of impurities such as ash, metals, pesticides, and silica which allows you to create a safe and beautiful environment for your fish and invertebrates.
Our precision grading makes system design ... ...more. | 533115 | $15.99 | |
Aquaculture / Aquarium / Reef Tank / Marine 
