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Brightwell Aquatics FW Xport Bio Block – Ultra Porous Biological Filtration Media for Freshwater Aquariums, Removes Ammonia, Phosphate, and Nitrites

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Product details

Management number 215808291 Release Date 2026/04/12 List Price $27.45 Model Number 215808291
Category

Highest porosity and largest useable surface area, per unit weight or volume, of all filtration media available anywhere. For use in all soft or hard freshwater or brackish aquariums. May also be used in marine systems. Provides huge amounts of aerobic and anaerobic surface area for efficient bacterial colonization. When properly colonized, and used as directed, it will reduce toxic ammonia and nitrites to near zero in all marine aquariums. Also reduces phosphate significantly and dissolved organics. Works excellently as the only filtration medium for the aquarium or pond or may be employed in addition to other filtration media.

  • 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 1. 5” block has about 4,000 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
Brand Name Brightwell Aquatics
Directions For freshwater aquarium use: Use one Xport Bio Block for every 20 to 40 U.S. gallons (80 to 160 L), more for heavy bio loads. Rinse material well with purified tap water. Seed using Florinbacter or Florinbacter Clean by placing in a plastic container, filling it with aquarium water, and then adding the full recommended dose. Stand overnight and then add to your system. Discard soak. Use fine filter floss to prevent clogging with organic material and prevent churning. Do not fluidize or allow to churn. For maximum results, also provide a good carbon source for growing bacteria, such as Brightwell FlorinAxis. Caution: Keep out of reach of children. Not for human use or consumption.
Model Name FW Xport BIO Block
Item Weight 8.7 ounces
Manufacturer Brightwell Aquatics
Item model number FXPBLOCKBIO1.5in-8pk
Included Components FW Xport BIO Blocks
Age Range Description All Life Stages
Specific Uses for Product Behavior
Item Package Dimensions L x W x H 9.02 x 7.91 x 3.35 inches

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