SuperBioGravel is Not BioGravel. It’s a great media, but much larger than BioGravel.
SuperBioGravel Media is gaining a large number of adherents for its outstanding characteristics that makes it a great choice for a wide variety of filters. Like BioGravel, SuperBioGravel is an extremely dense media. You can pack a larger volume of media into any given space because of its spherical shape.
This media works well in: