I don't run carbon at all. If you don't change it fairly regularly it leeches the toxins you're trying to catch back into the system. But then i haven't gotten any new fish in a long time so disease isn't a concern I worry about too much.
Sent from my Transformer Prime TF201 using MonsterAquariaNetwork App
Sent from my Transformer Prime TF201 using MonsterAquariaNetwork App


