Hang-on-back filtration provides ongoing water purification for your aquarium through chemical, mechanical and biological filtration. Additionally, the use of coconut carbon media versus traditional coal carbon provides a more desirable form of chemical filtration. Choosing the ...Hang-on-back filtration provides ongoing water purification for your aquarium through chemical, mechanical and biological filtration.
Additionally, the use of coconut carbon media versus traditional coal carbon provides a more desirable form of chemical filtration. Choosing the right size aquarium filter can be a challenge. However, this will vary for slow swimmers that need less flow or for marine aquariums, which typically require higher flow.