ISTA Bio Sponge Size:Small Rectangle Its solid black body is

Its solid black body is covered in bright white polka dots

It exhibits stronger binding than most competing products and consequently can reduce phosphates and silicates to very low levels

An extensive body of literature supports its use as an effective agent in the control of fungus on fish eggs

1 inches (13 cm)

The diet should include a variety of meaty foods such as chopped pieces of marine fish and shrimp

ISTA Bio Sponge Size:Small Rectangle Its solid black body isMechanical filtration: Provides excellent filtering effect while oxygenating the water Biological Filtration: Foam material supports the colonization of bacteria Can be used with either an air pump or any external filter Silent operation by reducing air pump noise Easy to install and simple to maintain