Product: Brightwell Aquatics Xport-BIO Block - Biological Filtration Mediafor Bacteria Growth and Phosphate Reduction, 4 Pack, 1.5", Model Number: XPBLOCKBIO1.5in-4pk
Brand: Brightwell Aquatics
Designed to be used in marine and freshwater aquariums with a pH of 7. 5 or higher
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; One 1. 5” block has about 4, 000 square feet of useable surface area
Reduces toxic ammonia and nitrites to near zero in ponds and all aquariums, marine or fresh; also reduces phosphate significantly and dissolved organics
Doped with Aragonite to buffer pH at the bacteria level, preventing acid buildup; Works excellently as the only filtration medium or may be used in addition to other filtration media

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