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(13 mm) Flow Rate 2
Enough reserve power to run a VorTech Pump for 60 hours
BRIGHTWELL AQUATICS XPORT BIO BLOCKS 2.0 INCH BIOLOGICAL FILTRATION MEDIA Salifert Dynamic Tank eGift Card codesXport BIO Blocks Ultra porous ceramic Block Media for Biological Filtration with Superior Performance Characteristics Overview Designed to be used in marine and hard freshwater aquariums with a pH of 7. 5 or over Highest porosity and largest useable surface area, per unit weight or volume, of all filtration media available anywhere Provides huge amounts of aerobic and anaerobic surface area for efficient bacterial colonization Laboratory Tested: