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Maxspect's Nano-Tech Bio-Block are created using stabilized microbial sewage treatment technology with Biological Aerated Filter (W-BAF). This proprietary technology is formed into inert ceramic blocks which can be placed directly into your sump or filter compartment for aquarium filtration. Each block has an ultra-high surface area of 11,635 square feet, providing ample room for colonization by beneficial bacteria strains that can work to lower nitrites, nitrates, and ammonia naturally.
Replace 20lbs of Live Rock with just 1 Bio-Block!
Block Dimensions - 4" x 4" x 1"
Package Contents - 2 Bio-Block pieces
Surface Area per Block - 1,080 m2 / 11,635 ft2
Total Surface Area per Package - 2,160 m2 / 23,270 ft2
Treats - 2,850 L / 750 Gallons