Seachem Matrix Biofilter Support Media, 34 oz Dog Wellness Multivitamins Medium measures 17" L with

Medium measures 17" L with a 3 3/4" knot

Its compact small size fits neatly in tight spaces without sacrificing capacity

Pink LEDs (PCS)

natural ingredients (clove leaf oil

Seachem Matrix Biofilter Support Media, 34 oz Dog Wellness Multivitamins Medium measures 17" L withSeachem Matrix Bio Media is a highly porous media designed to provide exceptionally efficient biofiltration for single site removal of ammonia, nitrite, and nitrate from freshwater, marine, and reef aquaria. Premium natural bio filter support media Removes ammonia, nitrite and nitrate from fresh, salt and reef tanks 1 liter is equivalent to over 40 L of typical plastic ball media Each liter of Matrix provides over 160,000 cm2 (170 sq. ft.) of surface,