MUYYIKA 12-in-1 Filtration Material, Aquarium Fish Filtration Material, Multiple Types
CERAMIC BIO BALLS, BIO RING:
Ceramic bio-media is fired at high temperatures
They are covered with small holes on the surface and inside
It provides an environment for the growth and breedation of beneficial nitride organisms.
Medical Stone, Volcanic Stone, Activated Carbon:
Malt and volcanic rocks contain a variety of minerals and trace elements.
Provides essential minerals for fish growth.
Removes the peculiar smell of water in the aquarium, clean the water.