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Product Title Carib Sea Ocean Direct Natural Carribbean Aquarium L ... Average rating: 0 out of 5 stars, ... Product Title ACS000920 Ocean Direct Natural Live Sand for Aquariu ... Average rating: 0 out of 5. This method preserves real live sand with its own original, natural bacteria. Every bag of Ocean Direct is alive and breathing with up to 1000 times more beneficial water purifying bacterial than other preservation methods. Every grain of Ocean Direct is coated with bacteria and encapsulated, by capillary action, in a film of real ocean water.