Complete Aquatics Bio-Blox Biological Filter Media

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Complete Aquatics Bio-Blox Media are an ultra-high surface area biological filter media that is ideal for water gardens and Koi ponds. It can be used in virtually any biological fi lter to provide colonization space for the beneficial bacteria that consume organic waste and harmful ammonia & nitrites. The bacteria are essential for maintaining a healthy and clean environment for fish and water clarity. For ponds & water gardens with biological filtration Approximately 500 square feet of surface area per 1 cubic foot Show more