Stabilized microbial sewage treatment technology with Biological Acerated Filter(W-BAF), Ultra-high surface cross-cutting ratio and filtration area. Nano-Tech Bio-Block is made of ceramic beads and is completely inert. For freshwater and marine aquariums. Treats up to 2,850 L / 750 Gal
Dymax
Juwel
Dymax
Seachem
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