Sera Crystal Clear Filter Medium Tetra but if you wish to

but if you wish to keep more than one Crayfish together

featuring thick scales and a lung-like respiratory system that allows it to breathe atmospheric air

Selenium Yeast

Directions:Shake well before use

Like all our infused media pads

Sera Crystal Clear Filter Medium Tetra but if you wish toHigh performance filter medium for mechanical filtration The innovative, patented 3D fiber structure of sera crystal clear Professional very quickly removes even smallest particles above 10 m (such as floating algae or sludge). Unlike common filter wool, the filter balls keep their shape and can be washed out several times. They are 80% reusable after washing out. The high performance filter medium is suitable for both freshwater and marine aquariums