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Marine Biosediment
Biofiltration substrate for Refugiums, Mud Filters and marine aquariums. A blend of minerals typically found in and around tropical reefs that is completely free of organic matter, phosphates, nitrates and silicates. Provides ideal substrate for mangroves, macroalgaes (Caulerpa, Halimeda, Penicillis, etc.) and turtle grass. Slowly releases calcium, magnesium, strontium, potassium, carbonates and other minerals into the water. Use approximately 5 lbs. for every 25 gallons of water.
