Aqua Illumination - Ext Rail 6 Clear Seachem Supplement contains nitrifying bacteria

Supplement contains nitrifying bacteria

Filter lid and accessories

Its high porosity and surface area give it a large binding capacity

a=amount to raise alkalinity in meq/L)

7 kg  Connections    fitting 3/4″ – 16mm int

Aqua Illumination - Ext Rail 6 Clear Seachem Supplement contains nitrifying bacteriaThe EXT Rail System continues AquaIllumination's industry leading core of modularity and elegant design. From mounting a single Hydra to hanging multiple modules over your tank, the EXT provides a sleek and complete mounting solution. Connect, mount, and hang single or multiple lights together with these versatile rails. Made from extruded aluminum in silver or black. Available in 6", 12" and 18" lengths.