Activated Carbon is an essential filter media for every aquarium.
Activated carbon is frequently recommended for use in aquarium filters.
It can effectively eliminate odors, detoxifies harmful metals, purifies and soften the water absorb chemical residue/ compounds and water purifying effect.
The ceramic rings are very porous, although they look solid, there are zillions of tiny holes in it, and that makes it an ideal home for the cycle bacteria that you want in the filter.
Quantity 500gm Activated carbon+500 gm ceramic rings + 22 Bio Balls of the product