Xport Freshwater BIO Block - 2 Inch

Size: 3 Pack
Sale price$36.76


  • For use in all soft or hard freshwater or brackish aquariums; may also be used in marine systems 
  • When properly colonized, it will reduce toxic ammonia and nitrites to near zero in all freshwater aquariums
  • 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 
  • Reduces phosphate significantly and dissolved organics 
  • Works excellently as the only filtration medium for the aquarium or may be employed in addition to other filtration media 
  • Made in the USA

Xport FW Bio Block Directions

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