Xport Freshwater BIO Block - 2 Inch

Xport Freshwater BIO Block - 2 Inch by Brightwell Aquatics. Porous 2-inch biological filter block for freshwater and brackish aquarium filtration.

Product details

• 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

Choosing and using this product

Match this product to your aquarium type, actual water volume and measured water conditions. Follow the current label for preparation, compatibility and dosage.

Related supplies and guides

Brightwell Biological Filter Media or read our freshwater fishless cycling guide.