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biological and chemical filtration through a 5-step cleaning process
daily treatments as described above are needed for several weeks -- daily treatments as described above may be needed for a month or more
Continue to test weekly for phosphate until you see it begin to rise again
Average Density: 95 pounds per cubic foot
CaribSea Ocean Direct Live Oolite Sand 5lb Aeration biological and chemical filtration throughThis 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 with up to 1000 times more beneficial bacteria than other preservation methods. Every grain of Ocean Direct is coated with bacteria and encapsulated by capillary action in a thin film of real ocean water. The thin film is
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