Hugo Kamishi glass Bio Rings (3 x 150g packs)

Highly porous media designed to provide exceptionally efficient biofiltration for removal of ammonia and nitrite,

Vast surface area for adhesion of nitrifying bacteria.

Strong structure, solid quality and does not disintegrate.

Harmless to all aquatic species.

Suitable for freshwater, marine and reef aquariums.

Will NOT alter levels of pH of KH in the water.

Hugo Kamishi Bio Glass Rings are made of non-toxic, inert materials that promote bacterial growth.