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At AquaCave, we offer some of the best selection & best prices on Sand and substrate for your marine, reef, and freshwater aquarium.

19 of 19 Items
  • Fluval Bio Stratum 17.6 lbs. Fluval Bio Stratum 17.6 lbs. Fluval Bio Stratum 17.6 lbs. Fluval Bio Stratum 17.6 lbs. Fluval Bio Stratum 17.6 lbs.

    Fluval

    Fluval Bio Stratum 17.6 lbs.

    Fluval Bio Stratum 17.6 lbs. Fluval's All-New Bio-Stratum is infused with BENEFICIAL "BIOACTIVE" BACTERIA that will break down waste, kickstart the nitrogen cycle and rapidly reduce ammonia levels to help stabilize water conditions in new aquariums and...

    $59.99
  • Fluval Plant and Shrimp Stratum 17.6 lb.

    Fluval

    Fluval Plant and Shrimp Stratum 17.6 lb.

    Fluval Plant and Shrimp Stratum 17.6 lb. Collected from the mineral rich foothills of the famous Mount Aso Volcano in Japan, Fluval Stratum is the ideal substrate for stimulating the growth of aquatic plants in freshwater aquariums. Plant...

    $59.99
  • MIRACLE MUD, Marine 10 lb. by EcoSystem Aquarium

    EcoSystem Aquarium

    MIRACLE MUD, Marine 10 lb. by EcoSystem Aquarium

    MIRACLE MUD, Marine 10 lb. by EcoSystem Aquarium Miracle Mud is a product of EcoSystem Aquarium® that has been carefully formulated to include all the essential trace elements, minerals, and components necessary to maintain a successful aquarium...

    $59.99
  • MIRACLE MUD 2, FRESHWATER 10 lb. by EcoSystem Aquarium

    EcoSystem Aquarium

    MIRACLE MUD 2, FRESHWATER 10 lb. by EcoSystem Aquarium

    MIRACLE MUD 2, FRESHWATER 10 lb. by EcoSystem Aquarium Miracle Mud is a product of EcoSystem Aquarium® that has been carefully formulated to include all the essential trace elements, minerals, and components necessary to maintain a successful...

    $59.95
  • Caribsea Samurai Soil 10 lbs. Caribsea Samurai Soil 10 lbs.

    CaribSea

    Caribsea Samurai Soil 10 lbs.

    Caribsea Samurai Soil 10 lbs. The ideal substrate for shrimp and planted aquaria This unique, uniformly graded material fits the pH and mineral requirements of the most sensitive freshwater fauna and flora, without the muddy texture and crumbling often...

    $39.99
  • MIRACLE MUD, Marine 5 lb. by EcoSystem Aquarium

    EcoSystem Aquarium

    MIRACLE MUD, Marine 5 lb. by EcoSystem Aquarium

    MIRACLE MUD, Marine 5 lb. by EcoSystem Aquarium Miracle Mud is a product of EcoSystem Aquarium® that has been carefully formulated to include all the essential trace elements, minerals, and components necessary to maintain a successful aquarium...

    $39.95
  • Fluval Plant and Shrimp Stratum 8.8 lb.

    Fluval

    Fluval Plant and Shrimp Stratum 8.8 lb.

    Fluval Plant and Shrimp Stratum 8.8 lb. Collected from the mineral rich foothills of the famous Mount Aso Volcano in Japan, Fluval Stratum is the ideal substrate for stimulating the growth of aquatic plants in freshwater aquariums. Plant roots...

    $38.99
  •  CaribSea Arag-Alive Bahamas Oolite Live Sand, 20 lb.   CaribSea Arag-Alive Bahamas Oolite Live Sand, 20 lb.

    CaribSea

    CaribSea Arag-Alive Bahamas Oolite Live Sand, 20 lb.

    Live Aragonite Sand You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed from CaribSea’s cooperation with public aquariums and zoological parks where...

    $38.95
  •  CaribSea Arag-Alive Bimini Pink Live Sand, 20 lb.   CaribSea Arag-Alive Bimini Pink Live Sand, 20 lb.

    CaribSea

    CaribSea Arag-Alive Bimini Pink Live Sand, 20 lb.

    Live Aragonite Sand You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed from CaribSea’s cooperation with public aquariums and zoological parks where...

    $38.95
  •  CaribSea Arag-Alive Fiji Pink Live Sand, 20 lb.   CaribSea Arag-Alive Fiji Pink Live Sand, 20 lb.   CaribSea Arag-Alive Fiji Pink Live Sand, 20 lb.

    CaribSea

    CaribSea Arag-Alive Fiji Pink Live Sand, 20 lb.

    Live Aragonite Sand You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed from CaribSea’s cooperation with public aquariums and zoological parks...

    $38.95
  •  CaribSea Ocean Direct - Oolite Live Sand, 20 lb.   CaribSea Ocean Direct - Oolite Live Sand, 20 lb.

    CaribSea

    CaribSea Ocean Direct - Oolite Live Sand, 20 lb.

    Ocean Direct™ - This substrate is different than all other live sand products on the market. Ocean Direct™ utilizes “Sea Breathe” technology, which preserves real live sand with its own original bacteria. Every breathable bag of Ocean Direct™ is alive...

    $38.95
  •  CaribSea Ocean Direct - Original Grade Live Sand, 20 lb.   CaribSea Ocean Direct - Original Grade Live Sand, 20 lb.

    CaribSea

    CaribSea Ocean Direct - Original Grade Live Sand, 20 lb.

    Ocean Direct™ - This substrate is different than all other live sand products on the market. Ocean Direct™ utilizes “Sea Breathe” technology, which preserves real live sand with its own original bacteria. Every breathable bag of Ocean Direct™ is alive...

    $38.95
  • Caribsea Eco-Complete Planted Aquarium, Black 20 lbs. Caribsea Eco-Complete Planted Aquarium, Black 20 lbs. Caribsea Eco-Complete Planted Aquarium, Black 20 lbs.

    CaribSea

    Caribsea Eco-Complete Planted Aquarium, Black 20 lbs.

    Caribsea Eco-Complete Planted Aquarium, Black 20 lbs. Keep your aquarium plants growing and thriving with the CaribSea Eco-Complete Planted Aquarium Substrate. This ready-to-use formula contains basaltic volcanic soil which contains iron, calcium,...

    $38.95
  • Brightwell Aquatics KoraLagoon Substrate, 1.4 kg. / 3.1 lb.

    Brightwell Aquatics

    Brightwell Aquatics KoraLagoon Substrate, 1.4 kg. / 3.1 lb.

    Brightwell Aquatics KoraLagoonSubstrat Aragonite RefugiumSubstrateA blend of high-purity aragonite particulate grades to simulate the natural substrate particle profile of tropical reef lagoonsBrightwell Aquatics KoraLagoon Substrate, 1.4 kg. / 3.1 lb. A...

    $26.95
  • MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium

    EcoSystem Aquarium

    MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium

    MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium Miracle Mud is a product of EcoSystem Aquarium® that has been carefully formulated to include all the essential trace elements, minerals, and components necessary to maintain a successful aquarium...

    $19.95
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