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Brightwell Aquatics Xport-BIO Block: Biological Filtration Media for Bacteria Growth and Phosphate Reduction (6 pack, 2)
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About this item
- 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
- Intended for application in both marine and freshwater aquariums with a pH level of 7.5 or above.
- Highest porosity and largest useable surface area, per unit weight or volume, of all filtration media available anywhere
- Reduces toxic ammonia and nitrites to near zero in ponds and all aquariums, marine or fresh; also reduces phosphate significantly and dissolved organics
- Provides huge amounts of aerobic and anaerobic surface area for efficient bacterial colonization; one 2” block has about 10, 000 square feet of useable surface area