Just wondering if there's any difference between the two. They're both made by Hagen, but the AC one is about half the price of the Fluval one.
170 sq ft ????? try 5250 sq ftRamesh;4361575; said:Looks as if the BioMax has much more surface area then Matrix.
Seachem Matrix provides over 160,000 cm2 per liter = 170 sq. ft. of surface area per liter. Link b.
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+4136+15433&pcatid=15433