Ista Round Bio-Sponge Aquarium Filter (Large) Airline Tubing & Accessories Rounded blade corners help protect

Rounded blade corners help protect silicone seams during cleaning

The Scat does best when kept in a school

Boyd Chemi-Pure Elite - 47 oz

Intricate dark squiggles and spots cover its belly and face

and sealed reactor chamber help automate kalkwasser mixing while reducing the need for frequent manual stirring

Ista Round Bio-Sponge Aquarium Filter (Large) Airline Tubing & Accessories Rounded blade corners help protectIsta Round Bio Sponge Aquarium Filter (Large) Broad Biological Filtration with the Ista I 146 The Ista Round Bio Sponge Aquarium Filter (Large) combines a broad sponge surface with a low profile weighted base for dependable mechanical and biological filtration. Its air driven operation draws aquarium water through the porous foam while rising bubbles improve circulation and help promote oxygen exchange. The larger round sponge provides increased